ITEM NAME:900MHz 5dbi Antenna Public RG174 Cable GSM GPRS 20CM Magnetic Base Best 1x Descriptio n Description: Product features: GSM sucker bar antenna, base with magnet, can be attached to iron material. Internal thread internal needle of SMA interface, frequency is 900-1800mhz. Extension line is 174 pure copper 3-meter line. Special antenna for mobile network optimization. Support :GSM/DCS/CDMA/WCDMA and / 2G/3G frequency. Specifications: Material: copper Color: black Dimensions: total length 200MM, rod length 170MM Weight: 60g Product parameters: definition of standing wave ratio: S.W.RÂ LESS THAN OR equal TO 2.0@900mhz ~ 1800 MHz Gain definition: 3-5 dBi (*Typical*) Frequency band definition: 900-1800 MHz Impedance definition: 50 ohm Package Included: GSM Magnetic antenna 5DBI *1 Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different Whatever the ending's perfect or not, you can't disappear from my world 900MHz 5dbi Antenna Public RG174 Cable GSM GPRS 20CM Magnetic Base Best 1x.GSM sucker bar antenna, base with magnet, can be attached to iron material. Internal thread internal needle of SMA interface, frequency is 900-1800mhz. Support :GSM/DCS/CDMA/WCDMA and / 2G/3G frequency.