... -894MHz,1710-1990MHz Gain:3dBi Antenna Length:43mm AMPS/GSM Built-in Antenna GSM PCB AntennaFrequency RangeMHz 890-960/824-894MHz,1710-1990MHz ... +75``Jiaxing Beyondoor Electronics Co.,Ltd products: GPS antenna, GSM Antenna, Combination GPS/GSM Antenna, WIFI 2.4ghz Antenna, DVB-T ital ... , All kinds of Interface Cables(RF cables) etc.. (manufactory) AMPS/GSM Built-in Antenna GSM PCB Antenna