Avrtx develops amateur radio network link controllers and APRS track routers designed to bridge traditional transceivers with modern IP networks.
Avrtx is a specialized manufacturer of amateur radio network link controllers, APRS track routers, and voice interface boards. Designed for ham radio operators and DIY electronics enthusiasts, Avrtx provides robust hardware solutions that seamlessly connect traditional RF radios to global internet-based voice and data networks.
With devices like the R1-2023, R4 Radio-Network Link Box, and AVRT9, users can achieve wide-ranging interoperability. Avrtx equipment is built to support popular transceivers from major brands including YAESU, Kenwood, ICOM, and Motorola, enabling users to interface cleanly with VoIP and communication platforms like AllStarLink, EchoLink, Zello, SSTV, and PSK31 over standard USB connections.
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Avrtx controllers, such as the R1 and R4, support programs including AllstarLink, EchoLink, Zello, SSTV, psk31, Skype, and other digital voice and data transfer applications.
Windows typically includes native drivers for the USB sound card and mouse detection chips automatically. However, for the USB serial port connection, you will need to download and install the CH340/CH341 drivers from the Avrtx official websitus.
Yes, Avrtx controllers feature specific switch positions (Y, K, I) and custom conversion boards or cables (such as a 6-pin TNC interface) to directly interface with popular radios from YAESU, ICOM, Kenwood, and Motorola.
If audio is distorted in applications like EchoLink or Zello, verify your computer's audio management settings and ensure that 'Microphone Enhancement' or 'AGC' (Auto Gain Control) is disabled.