ER-79 French VHF Tactical Radio (Equivalent to US PRC-9 'Old-Family' radio). With Battery Box, Accessory Bag, Harness, Handset, Inverter Power Supply (6v input) No Antennas Uses AT-271/AB-129 Combination for the long antenna. Frequency range 27.0 to 38.9 MHz, Super-Heterodyne FM Receiver / Transmitter. Man-Pack or Vehicular fixed station operation.1 Watt transmitter Output. Uses 16 miniature wire ended tubes. Power requirements are 1.5V, 6V, 67.5V, 135V powered by BA-279 battery, or 6vdc supplying those voltages through the included inverter PSU.