The frequency of (cell phone signal booster amplifier) is the most important thing,if you choose wrong, the booster will not works well.

pls make sure the frequency is correct for you.

 

850MHZ Cellphone repeater 

GSM 3G 850MHZ Cellphone signal Booster Repeater Amplifiter with Yagi antennas

 

Features :

1: samll size ,light weight ,beautiful repeater

2: Low Operating Temperature

3: High-Gain linear power

4: Ultra-low Noise receiver

5: Full-Duplex Communication Mode

6: single band 850MHZ 60DB

 

Guarantee:

1: 30days customer satisfaction

2: Three Months Free Replacement

3: 2 years Manufacturer warranty

4: Support Wholesale , More units More Discounts

 

FAQ :
1 ) After installed booster signal not be very good , indoor signal coverage very small .

 

A . Adjust outdoor antenna’s location and direction .

B. Check whether cable connected well .

C. Put more higher receiving antenna’s position, which can received more good signal .

D. Change another bigger power booster .

E. Chang another high gain receiving antenna .

 

2 ) Cellphone signal full bar , but communication quality bad .

 

--- Too closer distance of indoor and outdoor antenna , need more separation far distance away between antennas .

3 ) After installed booster not only signal be good , but also more bad .

 

---Too closer distance of indoor and outdoor antenna , need more separation far distance away between antennas .

 

4 ) Works good for long time , suddenly signal bad .

 

A . Check outdoor cable connectors whether flooding water .

B. Check power lights whether working normal .

C. If cable not flooding water and power lights working normal then the booster could be problem and need to send back factory repair .