ITEM NAME:900MHz 5dbi Antenna Public RG174 Cable GSM GPRS 20CM Magnetic Base For Ham DSA.Product list :GSMMagnetic antenna 5DBI 1. 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.