Features 1、Fast Transmission: GSM/GPRS antenna uses independent channels to transmit faster, reduce co channel interference, strengthen signal gain, and improve transmission performance. 2、SMA Interface: The interface of 2G/3G glue stick antenna is SMA internal thread inner needle, which is wear resistant, corrosion resistant and durable. 3、Signal Stability: 2G/3G antenna has high gain, the larger the range, the farther the distance, strong and durable, super strong signal, waterproof and sun proof. 4、Easy to Install: Waterproof glue stick antenna is small in size, easy to carry and easy to install without space constraints. 5、Wide Application: Can be used for GSM/2G/3G/wireless modules, NB IOT modules, DTU modules, advertising machines, numbering machines, vending machines, GPRS signal reception/transmission, etc. Specification Item Type: 2G/3G Glue Stick Antenna Material: ABS Purpose: Signal Transmission and Gain Working Frequency: 824-960mhz/710-2170mhz Antenna Gain: 3dbi Impedance: 50Ω Maximum Power: 50W SWR: ≤1.5 Polarization Method: Vertical Polarization Antenna Interface: Sma Inner Screw Inner Pin Package List 5 x 2G/3G Glue Stick Antenna