Barrett 520 Sitor HF Data Modem


Mode ARQ (conforms to CCIR 476)

Tone frequency  1785Hz  1615Hz

PTT Low to transmit

Audio input level 0dbm

Audio output level 0dbm

RS232 data rate 300 or 1200 baud

Transmission data rate  50 baud

Power requirements  12vdc @ 350mA

Dimensions 520-521   H 75mm x W 240mm x D 295mm

Weight 2.5Kg Bench mount