Handheld VHF transmitters, designed as optional replacements for Adastra portable QRPA, DT50 and EZPA units. 952.413 = 174.1MHz, 952.417 = 174.8MHz and 952.415 = 175.0MHzDimensions[tab]270 x 45mmØ[br]Weight[tab]190g[br]Capsule[tab]Unidirectional, dynamic[br]Power supply[tab]9Vdc (PP3 battery, supplied)Operating frequency[tab]175.0MHz