HF-AUTO USB to RS232 Cable

  Price: $34.95     
   Model #: 7418600

   This cable is used to connect your computer to download HF-AUTO firmware:
   USB port on computer to RS-232 port on HF-AUTO.

100' Null-Modem Cable for HF-AUTO-R

  Price: $89.95     
   Model #: 9009600

   Null-modem cable to connect HF-AUTO-R to HF-AUTO base unit.