Five-band mobile phone signal booster B20 B28 economical mobile phone signal repeater GSM mobile phone signal amplifier

The effect of signal amplification is obvious. Supports simultaneous amplification of five frequencies. The developed frequency range is B20/GSM/DCS/WCDMA/B7, which is the international common frequency range from 2G to 4G.

Stylish and bright white, available in two colors. Smaller than a tablet, lighter than a smartphone, compact and portable, and easy to disassemble and assemble.

Accessory Compliance Recommendations

Outdoor antenna: 1
Built-in antenna: 1 (extra quantity)
Cable: 5/10/15/30 meters
Power adapter: 1