Cralepoint's multi band omni directional antenna collects the cell tower signal and sends it through the cable to the integrated or embedded Cradlepoint modem and router. When the modem transmits, the signal is transferred directly to the antenna and is broadcasted back to the cell tower. For AER1600, AER1650, AER2100, AER3100, AER3150. Features: Part Number: 170668-000 Frequency Range: 698-960 MHz / 1710-2170 MHz / 2496-2690 MHz Nominal Impedance: 50 ohms Antenna Gain: 3.5 dBi 698-960 MHz / 4.5 dBi 1710-2170 MHz / 3.1 dBi 2496-2690 Radiation: Omni Polarization: Vertical (Linear) Ground Plane: Built-in Connector: N Type Female Internal Material: Copper Height: 12.6 inches / 32 cm Weight: 150 g ROHS Compliant Package Contains: Multi-Band Omni-Directional Antenna Wall Mount Bracket U-bolt assembly Cable IS NOT included - purchase separately.