5 mi. (8 km) at 1200 bps (24 AWG wire); 1.4 mi. (2.2 km) at 115.2 kbps
2- or 4-wire, half- or full-duplex
Speed (Maximum)
6 to 12 VDC from Pins 3, 4, 7, or 9
2.7"H x 2.1"W x 0.7"D (6.9 x 5.3 x 1.8 cm)