KV4P HT V2.0 VHF/UHF Radio Transceiver Module for Android Phones

The KV4P HT V2.0 module connects to a compatible Android phone by USB-C and turns the phone into the user interface for an open-source VHF/UHF amateur-radio transceiver. The module supports off-grid voice and radio-based messaging through the KV4P HT app and firmware.

Key Features

• USB-C connection to a compatible Android smartphone
• VHF/UHF voice operation through the KV4P HT application
• Listed transmit output up to 1 W
• Radio-based APRS messaging with an integrated 1200-baud modem
• Open-source app, firmware, PCB and enclosure project
• No internal battery; power is supplied by the connected phone

System Requirements

• Compatible Android phone with USB-C host support
• KV4P HT application and matching module firmware
• Suitable antenna for the configured operating band

Regulatory and Selection Notes

• Transmit only on frequencies and power levels permitted in your country.
• An amateur-radio licence may be required for operation.
• Confirm supported bands, Android-device compatibility, firmware version and package contents before purchase.