RF & Ham Radio Toolkit
Antenna, Coax, dB Calculators
Free · In-App Purchases · Designed for iPad
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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Reduced ads + navigation bug fixed
The developer, Vladislav Zhirnov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Vladislav Zhirnov
- Size
- 18 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - iPad
Requires iPadOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 30 more
- English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Full version / monthly USD 0.99
- Full version / year USD 2.99
- Remove ADS USD 5.99
- Copyright
- © zhirnov.zsystems