Products
17 kits I build and offer. Get in touch to ask about building one.

New
All-in-one APRS IGATE, digipeater and GPS tracker with RF radio connectivity, built into a metal enclosure.

New
Long-range, low-power APRS tracker over LoRa radio on the 70cm band, with a big display and long battery life.

Fixed LoRa gateway that relays other stations' LoRa APRS packets onto aprs.fi.

Portable APRS station with built-in GPS and a 2.4-inch display, running all day on a 5000mAh battery.
The smallest tracker in the MASTER-APRS line — built-in GPS and antenna in a 50 x 50 x 17mm case.

New
Point-to-point text chat over LoRa on UHF 433MHz — no internet connection or SIM card involved.

WiFi clock that syncs itself to an internet time server, so it's always accurate without manual setting.

WiFi-enabled APRS weather station that beacons live temperature, humidity and pressure straight to aprs.fi.

New
Compact USB APRS dongle for a fixed station — WiFi built in, beacons to APRS-IS around the clock.
Broadcasts GPS location via APRS for real-time tracking during outdoor activities and emergency response.

Multi-Mode Digital Voice Modem connecting DMR, D-STAR and C4FM digital voice modes to analog radio systems.

Communicates with LoRa satellites on the TinyGS network, for long-range, low-power data transmission useful in IoT and remote sensing.

Combines transmitter and receiver functions for network data communication over Ethernet, Wi-Fi or cellular.

Digital, CW and CAT indicators with CW, CAT, PC-mic, PC-speaker, SP-TRX, COM port and three USB ports.

Integrates LoRa technology with APRS functionality, gatewaying LoRa data packets to APRS infrastructure.
CAT-cable interface for controlling and monitoring transceivers: frequency, mode and power output, from a computer.
Serial and USB Morse code interface connecting paddles or keys to transceivers or computers.