AC460A: 0.5"H x 1.25"W x 0.5"D (1.3 x 3.2 x 1.3 cm); AC461A: 0.6"H x 2.3"W x 0.6"D (1.5 x 5.8 x 1.5 cm)
Distance (Maximum)
IC460A: Up to 1000 ft. (304.8 m): DC 60 Hz-20 kHz; 1000 ft. (304.8 m) to 5000 ft. (1524 m): DC 100 Hz-20 kHz; IC461A: DC to 25 MHz
Over CAT5 UTP: AC460A: 5000 ft. (1524 m); AC461A: 600 ft. (182.8 m)