The Cable-mount Concurrent Multichannel Transceiver (CMX) is a measurement device that makes up a node in the DigiRANGE acoustic system. The device contains a telemetry system interface, control logic, and transceiver circuitry. 
Length: 106.7 cm (42 in)
Diameter: 12.1 cm (3.5 in)
Weight: approx. 4.3 kg (9.6 lbs in water)