"GB KIT IS USED WITH THE RF (850 MHZ), GPRS, CSD, SMS AND DTMF COMMUNICATION CHANNELS. IT CONTAINS THE NAVIGATIONAL DEVICE (GB 342 W/SPICE) ALONG WITH SUPPORTING CABLES, GSM ANTENNA, GPS ANTENNAS, RF ANTENNA, BATTERY PACKS WRENCHES, SCREWDRIVER, AND ASSOCIATED SOFTWARE FOR GBNET; LENGTH: 9.00 INCHES; WIDTH: 7.00 INCHES; HEIGHT: 6.00 INCHES; WEIGHT: 5.00 POUNDS"