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Turn your Android phone into a modern ham radio transceiver
kv4p HT Turn your Android phone into a modern ham radio transceiver Free open source software & hardware What is it? kv4p HT is a homebrew VHF radio that makes your phone capable of voice and text communication completely off-grid with at least a Technician class amateur radio license. The radio simply plugs into the USB C port on your Android smartphone and transforms it into a fully-fledged handheld radio transceiver.
It's small enough to fit in your pocket and take anywhere, and since it has no internal battery it's the perfect radio to put in a go-bag or your car's glove compartment. NOTE: kv4p HT is an open source project you build yourself and has absolutely no warranty, or guarantees on functionality or reliability! Only $35 to build, with 3 components to solder 100% ham radio, always completely off-grid Crystal-clear 44kHz 8-bit ADC/DAC audio, with filters and squelch Texting with notifications just like SMS — radio-based APRS messaging (not just location) with built-in 1200 baud modem Scan through unlimited memories and groups No battery means nothing to charge except your phone 1 watt transmit can go miles yet sips your phone's battery Accessibility options: live closed captions (on supported phones), turn off animations, sticky PTT with haptic feedback
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