70dB GSM Cellular Signal Booster Smart ALC GSM 900mhz Mobile Phone Repeater GSM 900 Amplifier Cell Phone Calls Receiver AS-G1 Buy cell phone calls receiver as-g1 | 900mhz mobile phone repeater | bulk 900mhz mobile phone repeater
GSM 900 Booster
The Booster Can Boost Calls Voice.
It brings calls signal from outside. You don't need to go to balcony to make calls. But if you can't make calls when you are outside, the booster can not help. Please note before you buy.
Q: Does the booster work for 3g 4g mobile phones?
A: Yes. Of course. It can boost calls voice for 2g 3g 4g mobile phones.
Q:I can't make calls when i am outside, does the booster work for me?
A: No, it can't help.
What is the coverage of the device?
A: The max coverage is about 150 square meters. The coverage is based on the outdoor signal strength.
Does the booster work for different operators?
A: Yes. GSM is widely operated by most operators in Europe and Asia. So the booster can support different operators at the same time.
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