1Fast Transmission: Folding antenna uses independent channels to transmit faster, reduce co channel interference, strengthen signal gain, and improve transmission performance. 2SMA Interface: The interface of black antenna is SMA internal thread inner needle, which is wear resistant, corrosion resistant and durable. 3Signal 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. 4Easy to Install: Waterproof glue stick antenna is small in size, easy to carry and easy to install without space constraints. 5Wide 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. Item Type: Folding Antenna Material: ABS Purpose: Signal Transmission and Gain Working Frequency: 824-960mhz Antenna Gain: 6dbi SWR: 1.8 Impedance: 50 Maximum Power: 50W Antenna Interface: SMA Inner Needle Inner Screw Head Bandwidth: 100mhz Working Temperature: -40~+85 Polarization Method: Vertical Polarization Storage Temperature: -20~40 2 xFoldingAntenna Have a great time shopping!