External GSM antenna for the car. It is needed to strengthen the signal reception of mobile communication, or ĸoгda installed 3G modem to use the Internet in the car. This antenna has a gain of 3.0 dBi. The operating frequency range of the antenna is 433 MegaHertz. The device is easily installed thanks to a long cable of 1.5 meters and a magnetic mount. The length of the antenna itself is 150 mm. The connection is made via a straight SMA plug.