Specialist supplier of tactical communications systems AT Electronic and Communication International has recently released the AT-HSDM high speed radio data modem. The AT-HSDM is a cost-optimised radio modem for HF/VHF/UHF mobile station use. Its small size provides email, GPS position reporting and telemetry/control functionality. The AT-HSDM is configurable and customisable to suit a wide variety of applications.

The core hardware of the AT-HSDM is a micro-computer with display driver and USB connection which allows connection to a display and keyboard/mouse for user input and software information. With a wide range of displays and input devices available on the market, a highly customised solution can be configured for all types of mobile applications. Networking functionality via WLAN and ethernet gives a wide range of application flexibility, e.g. email and messaging. These can interoperate with standard computer systems such as desktop and laptop PCs using the HF/VHF/UHF radio link connected to the AT-HSDM radio data modem.

The AT-HSDM has standard RS-232 and ethernet ports which can be used for telemetry and remote control applications over HF/VHF/UHF links

For secure applications, such as military, the AT-HDSM supports the following protocols: STANAG 4285, STANAG 4539, STANAG 5066 NATO compliant and Mil-Std 188-141A ALE. AES 256 and 3DES encryption is provided to secure transmitted data.

Applications available include:

  • Email over radio links with email server software
  • GPS service with client software (situational awareness and tracking)
  • Data modem service with data interface server (file transfer and telemetry)
  • Custom application support with API for local development by systems integrators using Windows 7 Development Platform

The AT-HSDM can be interfaced with a wide variety of HF/VHF and UHF transceivers to provide a comprehensive array of solutions for voice/data radio networks.