TRAM 1159-WB 136-174 Mhz Pre-Tuned Gain Antenna • 136-174 Mhz Pre Tuned Gain Antenna • No Tuning Needed • Super 4.1 Dbd Gain For Extra-Long Distnace • Our Best Mobile Antenna • Will Transmit & Receive Farther Than Any Other Mobile Antenna • No Ground Plane-- Will Work On Any Surface Installation • 5"7 Tall