2g GSM 900mhz / 3g WCDMA 2100 mhz /4g LTE DCS 1800-2600mhz 

Frequency Range

GSM 900mhz
Frequency Range: Uplink:890-915mhz;Downlink:935-960mhz
DCS 1800mhz
Frequency Range : Uplink:1710-1785mhz;Downlink:1805-1880mhz
WCDMA 2100mhz
Frequency Range: Uplink:1920-1980mhz;Downlink:2110-2170mhz
LTE 2600mhz
Frequency Range : Uplink:2500-2570MHz;Downlink:2620-2690MHz

With LCD Display , can indicate the signal status.
Coverage area: cover about 500-1000sqm 
High linear design, ALC technology.
Improve Indoor mobile signal,no more dropping calls,no more bad network speed.