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SRM-5A       Asynchronous Short Range Modem

Short Range Modem

RAD's miniature SRM-5A is a short range modem connecting full duplex, asynchronous terminals to computers. The SRM-5A operates at data rates of up to 19.2 kbps with a range of 4.5 km (2.8 miles) at 9.6 kbps. 


  • 4-wire, full duplex
  • Internal filter for high noise immunity
  • Data rates up to 19.2 kbps
  • DCE/DTE switch
  • Transformer-isolated
  • No external power required