Laird Technologies 4G/3G Multiband No Ground Plane Phantom Antenna - Black Specific Frequency: 698-960 MHz / 1710-1990 MHz / 2100-2700 MHz Gain dBi: 0 dBi / 1.7 dBi / 2.9 dBi Mobile Antenna Mounting Type: Permanent RF Connectors: N Female Laird Technologies Mfr P/N: TRA6927M3PBN-001