3dBi 900/1800MHz SMA GSM Antenna For SIM800 / SIM900 GSM Module

Features:

This antenna is suitable for cars, trucks, boats or other vehicle use.
It improves cell phone voice and data reception, adding bars of signal to your phone and increased data transfer speeds.
It also helps prevent dropped calls.
It doesn’t require a direct connection to your phone, but rather works wirelessly.
It can also work for multiple users at the same time.
GSM CDMA WCDMA TD-SCDMA magnetic antenna, 3G antenna, GSM antenna
800M, 850M, 900M, 1800M, 1900M, 2170M multi-band antenna