# RF & Ham Radio Toolkit

> Antenna, Coax, dB Calculators

Canonical page: [https://chrome-stats.com/d/id6745524609](https://chrome-stats.com/d/id6745524609)

## Overview

- **ID:** `id6745524609`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Vladislav Zhirnov
- **Category:** Utilities
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 5
- **Last updated:** 2025-10-16
- **First published:** 2025-05-06
- **Size:** 17 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rf-ham-radio-toolkit/id6745524609)
- **Website:** [https://zhsystems.me](https://zhsystems.me/)
- **Privacy policy:** [https://www.freeprivacypolicy.com/live/a849d8e9-1345-4ba8-a196-7cb1d4065a55](https://www.freeprivacypolicy.com/live/a849d8e9-1345-4ba8-a196-7cb1d4065a55)

## Description

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/

## Rankings

- #797,628 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6745524609)