RF & Ham Radio Toolkit

RF Engineer Toolkit puts a professional-grade suite of radio-frequency calculators, converters and design helpers right in your pocket. Whether you are fine-tuning a microwave link on a rooftop, designing a PCB trace at your desk or studying for your amateur-radio licence, the answers you need are only a tap away.

► POWER & dB • Watts ↔ dBm ↔ dBW converter • Linear gain ↔ dB, PAE, EIRP/ERP • Power-density & exposure limits (FCC / ICNIRP)

► ANTENNAS & PROPAGATION • Downtilt coverage, LoS horizon & Fresnel zone • Dipole/monopole length, parabolic & helical design • Near/Far-field boundaries, wavelength, Doppler shift

► CABLES & TRANSMISSION LINES • Coax impedance plus loss by type & length • Delay, phase and quarter-wave transformers • Microstrip, stripline, CPW, differential pairs, skin depth

► RF SYSTEM ANALYSIS • End-to-end link-budget & free-space loss • Cascaded gain, NF, IP3, SFDR calculators • Radar maximum range, Friis, intermodulation products • Noise figure ↔ noise temperature, S / Z / Y / ABCD converter

► FILTERS & RESONANCE • Tank LC and RLC resonance points • RC/RL −3 dB filter time-constant tools

► GENERAL ELECTRONICS • Ohm’s law, voltage divider, series/parallel R-C solvers

► WAVEGUIDE • Rectangular & circular cutoff plus full WR catalogue

• Intuitive clean UI — no ads, no sign-ups, no data collection • Works completely offline; perfect for field engineers • Switch between metric & imperial units instantly • Bookmark favourites and view underlying formulas • Core tools are free; a single in-app upgrade unlocks the entire lab

Stop scrolling through datasheets or crunching numbers on spreadsheets — install RF Engineer Toolkit and solve it in seconds, anywhere, any time. Download now and keep the ultimate RF cheat-sheet ready on your iPhone or iPad!

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