SPIDER manpack radio tranciever Signaal Portable Integrated Digital Encrypted Radio Frequency range : 30.000 ... 107.975 MHz Channel spacing : 25 kHz Number of preset channels : 9 Modulation : Frequency modulation Frequency deviation : 5 kHz Speech frequency band : 300 ... 3400 Hz Output power : 20 mW, 200 mW, 2 W, 5 W Power supply : 12 V (9..16 V) internal battery or external (connector is supplied) Output impedance : 50 Ohm Output connector : BNC Connectors : Antenna, Audio 6-pole, Audio 10-pole, Supply/Peripheral Squelch mode : 150 Hz tone squelch Operating temperature : -30 .. +65 C Dimensions : 240 x 175 x 66 mm Weight : 2.6 kg Made by : Hollandse Signaalaparaten now part of Thales Including : Tranciever Handset Power supply connector Field maintenance manual, Instruction card on CD There are less than 300 of these units build in the early 1990s for the Dutch marines and special forces. This is an unused unit with some scratches on the case. It is tested and works, both receive and transmit.