Modem protocol: Bell 103 (300 BPS)

Error Control: Triple redundant packet

Tx level: -10 dBm

Rx threshold level: -30 dBm

Power requirement: -48 Vdc, 50 mA Nominal
(voltage range is 12V to 56V)
**External Current Limit at 1.0 Amp maximum**

Operating Environment: -20° to +70° C.

Dimensions: Height 142 mm (5.6 in.);
Width 17.8 mm (0.7 in.);
Depth 150 mm (5.9 in.)

Weight: 181.4 g (6.4 oz.)