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About Antenna Calculator

A clean and fast antenna length calculator for RF hobbyists, IoT developers and engineers.
Enter a frequency to instantly calculate wavelength, quarter-, half- and 5/8-wave antenna lengths.

Features:
• Clean and intuitive interface
• Instant calculations
• Works fully offline
• No ads, no tracking
• Ideal for RF projects, LoRa, IoT sensors, ham radio and prototyping

Dyconics — Digital tools for IoT & engineering.