External GSM Antenna

External gsm antenna gsm-100a product description: fiber glass antenna 850/900/1800/1900/2170/2700mhz product specifications electronical: 1. antenna type: base station antennafrequency: 800/900/1800/1900/2100 mhz/2600/2700mhz 2. impedance: 50 ohm 3. polarisation: vertical 4. gain: 6.1dbi 5. swr: 2.0:1 6. max. Power: 50w mechanical: 1. materials: fiberglass 2. color: white 3. total height:: 756m/m ±10 4. weight: 875 g