Mobile signal booster, mobile signal booster, GSM 900 MHz mobile phone kit

Frequency range: Uplink (890–915 MHz), Downlink (930–960 MHz)

NOTE: Before purchasing, please check if your mobile phone supports the GSM900 MHz frequency band and test compatibility. It is not supported by AT&T (GSM: 850 MHz/1900 MHz), Verizon (CDMA: 850 MHz/1900 MHz), T-Mobile (GSM: 1900 MHz/850 MHz), and Sprint (CDMA: 800 MHz/1900 MHz).

NOTE: It supports GSM900 2G voice signals only. 3G/4G internet access is not supported.

Therefore, disable your mobile phone's 3G/4G signal before installing the amplifier, otherwise you will not notice any signal improvement. GSM 900 MHz amplifier with two antennas for a stable and reliable connection. High-quality aluminum housing to reduce radiation to almost zero. Full-duplex dual-connection design. Easy self-installation, automatic gain control.