Mobile phone signal amplifier, mobile phone signal repeater, GSM 900 MHz mobile kit

General Description: Cell phone signal booster designed to improve GSM 900 MHz voice call reception. This repeater is equipped with two antennas to ensure stable and reliable connectivity. It is made of high-quality aluminum, reducing radiation to near zero.

Technical Specifications: Frequency range: Uplink (890-915 MHz), Downlink (930-960 MHz) Supports only GSM 900 MHz 2G voice signal. Does not support 3G/4G internet access. Dual-port full-duplex design. Automatic gain control. Compatibility and Accessories: Check that your cell phone is compatible with the GSM 900 MHz frequency band before purchasing. Does not support AT&T, Verizon, T-Mobile, or Sprint. Installation: Easy do-it-yourself installation. It is important to disable your cell phone's 3G/4G signal during installation to observe signal improvements.