Signal Booster manufacturer / supplier in China, offering Dual Band 800/1800MHz 2g+4G Signal Booster, Dual Band 1800/2100MHz Signal Repeater 2g 3G 4G Signal Booster, Smart 2100MHz 3G Signal Booster and so on.
Shenzhen ATNJ Communication Technology Company was founded in 2010. It is main focus on Micro power repeater, Antenna Series, Passive Components. So far, We are the only one Real smart signal booster manufaturer in world. We refreshed the era of mobile phone signal amplifier.
The mobile signal booster main use to improve the signal in the weaker signal situation. Meanwhile, it can also speed up the networks of GPRS/3G/4G.
Our hot sale products are LTE 4G 800MHz GSM850MHz, ...