Wilson Pro Dual Antenna Expansion Kit - Antenna - panel - cellular - 10.6 dBi (for 1850 - 1990 MHz), 5.2 dBi (for 700 - 800 MHz), 4.4 dBi (for 824 - 894 MHz), 4.2 dBi (for 880 - 960 MHz), 10.1 dBi (for 1710 - 1880 MHz), 8.2 dBi (for 2110 - 2170 MHz)