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4+
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Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
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Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

About 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!

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in the Latest Version 5

Last updated on Oct 16, 2025
Old Versions
Reduced ads + navigation bug fixed
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Version History
5
Oct 16, 2025
Reduced ads + navigation bug fixed

RF & Ham Radio Toolkit FAQ

Click here to learn how to download RF & Ham Radio Toolkit in restricted country or region.

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