noIM₃ Engineering Platform
97 professional tools for RF, electrical, and comms system design. 36 live now
Full ITU-R P.533-14 HF propagation prediction suite with an interactive 3D globe, point-to-point and point-to-multipoint coverage modes, ACMA site integration, live space-weather conditioning, and a complete link budget including MUF/LUF/OWF, field strength, noise (ITU-R P.372), antenna pattern modelling and statistical reliability.
Professional RF link planning tool for point-to-point microwave links. Features interactive map with ACMA sites, path profile analysis using Australia DSM/DEM data, Fresnel zone calculations, and comprehensive link budget analysis with quality assessment.
Real-time, fully customisable space weather and HF propagation dashboard. Drag-and-drop from a catalogue of 40+ live widgets covering solar activity, geomagnetic indices, ionospheric state, solar wind, and HF band conditions — powered by BOM SWS, NOAA SWPC, NASA DONKI and global ionosonde data.
Professional frequency coordination tool for radio systems. Find optimal frequency pairs with automatic site lookup or manual entry, comprehensive intermodulation analysis, and automated recommendations for surface and underground radio systems.
Professional intermodulation reduction engine for existing radio frequency plans. Submit your current frequency pairs, allowed shift steps, guard band constraints, and priority weights — the optimiser tests thousands of shift combinations to find the cleanest achievable plan within your hardware constraints. Outputs a full before/after comparison table, IM reduction summary, side-by-side spectrum analysis, and reprogramming instructions for surface and underground radio systems.
Submit an existing radio frequency plan and immediately identify every intermodulation product that lands on or near an active carrier. Classifies hits by proximity zone — direct, critical near, marginal, and watch — across all 2nd, 3rd, and 5th order products. Reports which frequencies are the worst IM sources and which are the most affected victims, with a side-by-side spectrum view.
Professional RF intermodulation calculator for surface and underground radio systems. Calculates 2nd, 3rd, and 5th order intermod products using ITU-aligned methods. Features visual spectrum analysis, carrier impact scoring, frequency distribution mapping, and actionable recommendations to optimise frequency plans and minimise interference.
Professional repeater and channel sizing tool for conventional and trunked radio systems where blocked calls are cleared. Solves for required channels, maximum user capacity, or GOS analysis across three traffic models: Erlang B (ITU-T E.501), Engset for finite populations, and Extended Erlang B with retry behaviour. Includes multi-group traffic aggregation, BHCA estimator, busy-hour scenario comparison, N−1 redundancy analysis, and sensitivity tables for P25, DMR, TETRA, and analog systems.
Professional queue-based capacity planning tool for trunked radio and dispatch environments where blocked calls wait rather than clear. Solves for required agents, maximum user capacity, or service level analysis using the Erlang C model (M/M/c). Outputs include wait probability C(m,A), probability of immediate answer, Average Speed of Answer (ASA), average queue length (Lq), average wait for queued callers (Wq), P(W>T), and service level compliance — alongside repeater sizing, N−1 redundancy analysis, sensitivity tables, and multi-scenario busy-hour planning for P25, DMR Tier III, TETRA, and analog trunked systems.
Professional bidirectional frequency-to-wavelength converter with integrated antenna design calculations and electromagnetic spectrum explorer. Instantly converts f ↔ λ and provides λ/2, λ/4, and 5λ/8 dimensions for dipole, monopole, and mobile antenna design. Includes automatic band identification, advanced RF parameters, and interactive EM spectrum visualisation.
Professional decibel (dB) conversion calculator for RF engineers and radio professionals. Converts between dBm, dBW, milliwatts, watts, microwatts, kilowatts, and dBµV (50Ω). Includes ratio and antenna gain conversions, real-time dB math, logarithmic power scaling, and common RF reference levels.
Professional Passive Intermodulation (PIM) calculator for RF systems and cellular infrastructure. Calculates 3rd, 5th, 7th, and 9th order intermodulation products from dual-carrier configurations, evaluates receive band interference risk, and estimates system-level PIM performance based on component specifications aligned with IEC 62037 test methodology.
Professional antenna power density calculator for RF safety analysis and wireless system design. Computes power density from transmitter input power, antenna gain, and distance. Includes EIRP calculation, electric and magnetic field strength outputs, multi-unit conversion, and safety reference levels aligned with FCC, ICNIRP, and ARPANSA guidance.
Professional parabolic reflector antenna calculator for satellite, microwave, and high-frequency systems. Computes gain, directivity, HPBW, effective aperture, far-field distance, and wavelength from reflector diameter, operating frequency, and efficiency. Includes preset system profiles and frequency-sweep visualisation for engineering analysis.
Professional antenna selection and comparison tool for RF system design. Browse a structured database of antenna types including dipole, monopole, Yagi-Uda, log-periodic, sector panel, parabolic dish, horn, helical, GNSS choke ring, and more. Filter by frequency range, gain, beamwidth, polarisation, and application to identify optimal antennas for wireless, satellite, microwave, broadcast, and monitoring systems.
Browser-based 3D antenna design and simulation workbench for RF engineers. Build and analyse dipole, monopole, Yagi-Uda, patch, helical, and loop antennas with real-time analytical EM modelling, interactive WebGL 3D viewport, radiation pattern visualisation (E and H plane), and cloud full-wave simulation via the noIM3 BE engine.
Professional Friis transmission equation calculator for RF link design and free-space propagation analysis. Computes received power from transmit power, antenna gains, frequency, and separation distance. Outputs include free-space path loss (FSPL), EIRP, wavelength, distance in wavelengths, received power in dBm and watts, and dynamic signal strength evaluation.
Professional Effective Isotropic Radiated Power (EIRP) calculator for RF transmitter systems. Computes EIRP from transmitter output power, feeder losses, and antenna gain. Includes ERP conversion, multi-unit outputs (dBm, W, mW, dBW), system gain breakdown, and regulatory compliance guidance for wireless deployments.
Professional coaxial cable loss and transmission line analysis tool for RF systems. Calculates matched loss, SWR-induced loss, connector loss, total attenuation, efficiency, signal delay, electrical length, and power transfer across multi-segment cable assemblies. Includes database support for popular coax types such as RG-58, RG-8, LMR-400, and Heliax.
Professional VSWR and impedance matching calculator for RF systems. Computes VSWR, reflection coefficient (Γ), return loss, mismatch loss, reflected power percentage, delivered power, and efficiency. Designed for transmission line and antenna system design, tuning, and troubleshooting.
Professional Free Space Path Loss (FSPL) calculator for RF link planning and microwave system design. Computes signal loss over distance using frequency, distance, and optional antenna gains. Includes wavelength calculation, EIRP, received power, link margin, Fresnel zone analysis, and full link budget breakdown for wireless, cellular, satellite, and microwave applications.
Complete RF link budget calculator for wireless communication systems. Computes received power, EIRP, total path loss, and link margin by considering all gains and losses, including transmit/receive antenna gains, cable and connector losses, free-space path loss, atmospheric, rain, foliage, and polarization losses. Supports system noise analysis and C/N evaluation for full RF system design.
Professional RF tool for converting between Noise Figure (NF, dB) and Noise Temperature (T, K). Supports adjustable reference temperature, cascaded noise calculations using the Friis formula, system noise temperature estimation, and Y-factor measurement analysis. Includes reference tables for low-noise amplifiers (LNAs) and general receiver design.
Professional noise floor calculator for RF system design and analysis. Computes thermal noise, system noise floor, and equivalent noise power from bandwidth, noise figure, and reference temperature. Includes Friis cascade support and displays noise in dBm, fW, and K for low-noise system evaluation.
Comprehensive Battery Energy Storage System (BESS) and solar power design workspace for communications and remote infrastructure. Combines location based NASA POWER climatology, equipment load profiling with power factor and diversity, solar array and string sizing with tilt and azimuth optimisation, battery sizing with DoD and SoC management and temperature aware degradation, modular inverter and rectifier configuration, full AS/NZS 3000 and 3008.1.1 cable and protection design, AS/NZS 4509, 4777 and 5139 compliance checks, fault current and arc flash analysis, lightning risk scoring, 8760 hour dispatch simulation, rainflow ageing, financial LCOE, NPV and payback modelling, and engineer ready PDF export, all driven from an interactive Leaflet map with address search and autosave.
Professional DC & AC voltage drop calculator based on AS/NZS 3008.1 and AS/NZS 3000 Australian standards. Calculate cable sizing, voltage drop percentage, power loss, and current capacity for single-phase, three-phase AC, and DC circuits. Includes temperature derating, installation method factors, and cable recommendations.
Professional generator sizing calculator for backup power systems in communications infrastructure. Calculate generator capacity based on load requirements, power factor, and runtime needs. Includes automatic load profiling, fuel consumption estimation, and generator selection recommendations.
Professional earthing and lightning protection calculator for communications infrastructure. Calculate earthing resistance, lightning protection requirements, and grounding system sizing based on soil resistivity and equipment specifications.
Professional short circuit and fault level calculator for electrical systems in communications infrastructure. Calculate fault currents, short circuit levels, and protective device coordination for AC and DC systems.
Professional protective device coordination calculator for electrical systems in communications infrastructure. Calculate protective device settings, coordination curves, and time-current characteristics for circuit breakers, fuses, and relays.
Professional motor starting and voltage dip calculator for electrical systems in communications infrastructure. Calculate voltage dips, motor starting currents, and system impact of motor startups on electrical networks.
Professional DC power system designer for electrical systems in communications infrastructure. Design and analyze DC power systems including battery banks, rectifiers, and DC distribution networks.
Professional leaky feeder (radiating cable) network design and simulation tool. Visually design RF distribution networks for underground communications, tunnels, and in-building coverage. Features drag-drop component placement, signal propagation simulation, and real-time performance analysis with AS/NZS 2915 compliance guidance.
Professional modulation and throughput calculator for RF and digital communications engineers. Analyse modulation schemes, calculate spectral efficiency, BER performance in AWGN, Shannon capacity, and peak throughput for LTE, 5G NR, Wi-Fi 6/7, DVB-T2/S2, TETRA, DMR, and P25.
Professional FFT spectrum analyzer for digital signal processing. Compose multi-component signals, apply window functions (Hanning, Blackman-Harris, Flat Top, Kaiser), and analyse frequency-domain characteristics including THD, SFDR, SNR, SINAD, and ENOB.
Professional EVM calculator for digital communication systems. Calculate EVM from SNR or a full error source budget (phase noise, IQ imbalance, LO leakage, nonlinearity) and check compliance against 5G NR, LTE, WiFi 6, and DOCSIS 3.1 standards.
Professional constellation diagram analyzer. Visualize BPSK, QPSK, 8-PSK, and QAM-16 through QAM-4096 with configurable AWGN, phase noise, IQ imbalance, AM-AM nonlinearity, DC leakage, and carrier phase offset. Automatic impairment diagnosis with EVM, MER, and BER estimates.
Professional channel equalization calculator for digital communications engineers. Compute Zero-Forcing, MMSE, and DFE equalizer tap weights, visualise frequency and impulse responses, analyse ISI cancellation, noise enhancement, and EVM across BPSK, QPSK, LTE, DVB-T2, 5G NR, and WiFi 6 standards. Includes adaptive LMS/RLS/DD simulation with convergence plots.
Professional transformer sizing and loss calculator for high voltage electrical systems. Calculate transformer sizing requirements, losses, efficiency, and performance for various transformer types and applications.
Professional HV cable ampacity and thermal calculator for high voltage electrical systems. Calculate cable ampacity, thermal performance, and temperature rise for various cable types and installation conditions.
Professional earth grid and step voltage calculator for high voltage electrical systems. Calculate earth grid resistance, step voltage, and touch voltage for various grounding configurations.
Professional HV system reliability and fault analysis calculator for high voltage electrical systems. Calculate system reliability, fault probabilities, and perform fault tree analysis for various HV system configurations.
Professional serial protocol analyser for debugging and analyzing serial communication systems. Analyze RS232, RS485, and other serial protocols for timing, data integrity, and communication errors.
Professional DTE-DCE cable designer for serial communication systems. Design and configure DTE-DCE cables for RS232, RS485, and other serial communication standards.
Professional serial cable length and signal integrity calculator for serial communication systems. Calculate cable length, signal integrity, and performance for various serial communication standards.
Professional RS-485 biasing and termination calculator. Calculate fail-safe pull-up/pull-down resistors, line termination, idle bus voltages, signal margin, power dissipation, and TIA-485 bus load limits. Includes termination threshold analysis, E24 standard resistor selection, and node count sensitivity table.
Professional baud rate and clock error tolerance calculator for serial communication systems. Calculate maximum clock error tolerance for UART/RS-232/RS-485/LIN/DMX/Modbus frames, find optimal baud rate generator divisors, and check oscillator compatibility including UART-friendly crystals.
Professional fiber optic system designer for fiber optic communication systems. Design and configure fiber optic systems for high-speed data transmission.
Professional fiber optic loss budget calculator for fiber optic communication systems. Calculate loss budgets for fiber optic systems to ensure signal integrity and proper operation.
Professional PON split ratio planner for fiber optic communication systems. Calculate and configure PON split ratios to ensure optimal optical power, guaranteed minimum speeds, and network performance for passive optical networks.
Professional PON optical budget calculator for passive optical networks. Calculate DS/US optical margins, splitter insertion loss, fiber attenuation, FEC coding gain, system design margins, and maximum reach for GPON, XG-PON, XGS-PON, and NG-PON2.
Professional fiber optic connector and splice loss calculator. Calculate total link loss from connector types, splice counts, and fiber attenuation. Verify against system budget with IEC 61753-1 / IEC 61300-3-34 reference values.
Professional IP network designer and capacity planner for network engineers. Combines VLSM subnet allocation, link utilisation and headroom analysis, bandwidth growth projection with upgrade timelines, topology visualisation, N minus 1 failure analysis, and bandwidth delay product (BDP) calculation into a single workspace. Supports IPv4 and IPv6, validates against RFC 1918 address space, ships with enterprise, small office, data centre and WAN hub and spoke presets, and exports the full design to Cisco IOS, Junos, Terraform, CSV and NetBox formats.
Professional VLAN, VRF, subnet, and IP address planner for network engineers. Build a complete IP schema from the ground up: manage VLAN IDs with reserved range warnings, plan subnets with CIDR, gateway, DHCP scope, reserved IPs and VRF scoping, track devices and interfaces with access or trunk mode and voice VLAN tagging, and assign addresses with VRF aware conflict and DHCP in static detection. Generates vendor style configuration for Cisco IOS and IOS XE, Arista EOS and a generic pseudocode target, and exports the full schema to JSON or CSV.
Professional QoS and traffic classification planner for network engineers. Design DiffServ policies with per class DSCP, 802.1p CoS, IP Precedence, MPLS EXP, WMM Access Category and 5QI markings, allocate bandwidth per class, pick a scheduler (PQ or LLQ, CBWFQ, WFQ, FIFO or Scavenger) and an AQM (tail drop, WRED, CoDel, PIE) with ECN support, and validate the result against RFC 4594. Includes end to end one way delay budgeting to ITU-T G.114, voice quality analysis through the ITU-T G.107 E-Model (R factor, MOS, Id, Ie-eff), an RFC 2698 two rate three colour policer builder, MPLS DSCP to EXP pipe, short pipe and uniform modes per RFC 3270, trust boundary re-marking guidance, and config export for Cisco IOS MQC, Juniper JunOS CoS, Arista EOS, Nokia SR OS and Linux tc (HTB plus fq_codel).
Professional end-to-end latency and jitter planner for network engineers. Decompose per-hop propagation, serialization, processing and queuing delay, analyse jitter budgets, and validate compliance against VoIP, video, gaming, SCADA and financial trading standards.
Model end-to-end time error budgets across IEEE 1588 PTP chains and NTP stratum hierarchies. Analyse per-node TE contributions, validate against ITU-T G.8271, 5G fronthaul, power utility, and financial trading standards.
Professional network availability and SLA calculator for network engineers. Model system availability from component MTBF/MTTR, apply N+1/Active-Active/2N redundancy, compare against SLA tiers from 6-nines to 2-nines, and identify dominant failure drivers with unavailability waterfall analysis.
Professional network security and threat assessment tool for network engineers. Model STRIDE threats against your asset inventory, auto-calibrate risk scores by organisation profile and threat landscape, visualise the 5×5 risk matrix, and validate alignment against NIST CSF 2.0.
Professional cable schedule generator for engineering delivery systems. Generate and manage cable schedules for optimal engineering delivery performance.
Professional equipment list generator for engineering delivery systems. Generate and manage equipment lists for optimal engineering delivery performance.
Professional system test and commissioning checklist generator for engineering delivery systems. Generate and manage system test and commissioning checklists for optimal engineering delivery performance.
Professional change impact analyser for engineering delivery systems. Analyse and manage change impacts for optimal engineering delivery performance.
Professional compliance and standards matrix generator for engineering delivery systems. Generate and manage compliance and standards matrices for optimal engineering delivery performance.
Professional safety and access planner for engineering delivery systems. Plan and manage safety and access requirements for optimal engineering delivery performance.
Professional cable and equipment labelling tool for engineering delivery systems. Generate and manage cable and equipment labels for optimal engineering delivery performance.
Professional Master Document Register creator and manager for engineering delivery systems. Create and manage MDRs for optimal engineering delivery performance.
Professional rack layout designer for communication rack design systems. Design and manage rack layouts for optimal communication rack performance.
Professional rack heat load designer for communication rack design systems. Design and manage rack heat loads for optimal communication rack performance.
Professional workforce training and competency tracker for project management systems. Track and manage workforce training and competency requirements for optimal project management performance.
Professional customer requirements tracker for project management systems. Track and manage customer requirements for optimal project management performance.
Professional change request and impacts manager for project management systems. Track and manage change requests and their impacts for optimal project management performance.
Professional customisable project management dashboard for project management systems. Create and manage custom dashboards for optimal project management performance.
Professional project risk and mitigation tracker for project management systems. Track and manage project risks and their mitigations for optimal project management performance.
Professional project documentation and reporting tool for project management systems. Create and manage project documentation and reports for optimal project management performance.
Professional project budgeting and cost tracking tool for project management systems. Create and manage project budgets and track costs for optimal project management performance.
Professional cumulative EME calculator for electromagnetic exposure analysis. Calculate cumulative EME levels from multiple sources and assess compliance with safety guidelines.
Professional ARPANSA EME compliance calculator for electromagnetic exposure analysis. Calculate EME levels and assess compliance with ARPANSA safety guidelines. A calculator that generates an RPS S-1 compliant report. It must allow summing multiple transmitters (e.g., "There is already a Telstra 4G panel here, and I am adding a 10W DMR dipole. What is the total exclusion zone?")
Full-featured interactive visualisation of the ACMA radiocomms register for Australian RF engineers. Explore every licensed site on a live Leaflet map with clustered markers, advanced filtering across 25+ parameters, and instant site detail panels covering frequencies, devices, antennas, services, interference, and frequency reuse. Includes point-to-point link analysis, spectrum band plan overlay, RF statistics, nearby site discovery, coordinate-based search, and a portfolio system for claiming and tracking sites — all backed by real-time ACMA register data.
Professional LoRaWAN planner for IoT network design. Plan and optimize LoRaWAN deployments for optimal coverage and performance.
Professional LoRa gateway planner for IoT network design. Plan and optimize LoRa gateway placements for optimal coverage and performance.
Professional LTE network planner for cellular network design. Plan and optimize LTE deployments for optimal coverage and performance.
Professional LTE capacity planner for cellular network design. Plan and optimize LTE capacity for optimal network performance.
Professional LTE interference analyser for cellular network design. Analyze and mitigate LTE interference for optimal network performance.
Professional LTE coverage mapper for cellular network design. Map and analyze LTE coverage for optimal network planning.
Professional LTE UE capability analyser for cellular network design. Analyze and optimize LTE UE capabilities for optimal network performance.
Professional LTE PCI planner for cellular network design. Plan and optimize LTE PCI assignments for optimal network performance.
Professional amateur radio propagation predictor for radio communication enthusiasts. Predict and analyze radio wave propagation for optimal amateur radio performance.
Professional RF attenuator and signal level calculator for safely interfacing transmitters with receivers. Convert between voltage (Vpp, Vrms), power (dBm, watts), and calculate required attenuation to meet receiver input limits. Supports impedance-aware calculations, mismatch considerations, and multi-stage attenuator design.
Professional Log-Distance Path Loss calculator for RF engineers and system designers. Implements the empirical log-distance model PL(d) = PL(d₀) + 10·n·log₁₀(d/d₀) with log-normal shadow fading. Supports environment-specific path loss exponents (free space, urban macro/micro, suburban, indoor LOS/NLOS, factory), reference-distance calibration, link budget analysis, maximum range solver, and link availability prediction for shadowed fading channels.
Professional Two-Ray Ground Reflection propagation calculator for RF and microwave engineers. Models the coherent sum of a direct line-of-sight ray and a ground-reflected ray over a flat-earth geometry, capturing constructive/destructive multipath nulls, the d⁴ asymptotic slope, and the crossover distance beyond which the free-space 20·log(d) law breaks down. Supports horizontal/vertical polarisation, dielectric ground parameters, and full link-budget analysis for terrestrial VHF/UHF, land-mobile, tactical, cellular-backhaul, and open-terrain WLAN links.
Professional Fresnel Zone calculator for RF, microwave, and millimetre-wave line-of-sight link design. Computes first, second and third Fresnel zone radii at any point along a path, obstacle-clearance analysis with the industry 60 % F₁ rule, earth-curvature bulge correction with selectable k-factor, and full path-profile visualisation. Supports point-to-point microwave backhaul, WISP, private LTE / 5G NR, tactical UHF/SHF, and maritime / aeronautical link planning.
Professional Reflection Coefficient Calculator for RF and microwave transmission-line design. Computes complex Γ from load impedance Z_L and characteristic impedance Z₀, convertibly between VSWR, return loss, mismatch loss, and reflected/transmitted power. Inverse mode solves Z_L from Γ. Frequency-sweep mode models series or parallel R-L-C loads across a band and renders S₁₁ magnitude, phase, and polar (Smith-like) trajectories for antenna, filter, cable, and connector matching work.
Professional Return Loss Calculator for RF installation, commissioning, and bench measurement work. Converts between return loss, VSWR, |Γ|, mismatch loss, and reflected/transmitted power. Computes forward and reflected power in watts / dBm for any transmitter level, sums return-loss contributions across cascaded components (antenna + cable + connectors + arrestor), and corrects VNA-measured return loss for feeder loss and directivity floor.
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