The MFJ 1270C is a HF and VHF packet TNC, offering full TAPR TNC2 compatibility. It features a true DCD circuit for improved HF use, RS-232 and TTL ports. Supplied with AC adapter, radio cable, and manual.           band coverage HF & VHF     data speed 1200 bps     RAM 64 kB     mailbox memory 32 kB     input voltage 13.8 vDC     dimensions 9.5"H x 1.5"W x 7.5"D     weight 2 pounds     =146-08