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Cell Phone Signal Booster Band 8 for Home/Office - 65dB 900MHz GSM 3G Mobile Signal Repeater with Omni-directional Antennas

Phonetone booster provides a rapid and perfect solution to solve and optimize the weak signal of houses, offices, hotels, elevators, parking lots and other small weak signal area. Welcome you all to order.
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Electrical specification Uplink Downlink
Frequency Range CellularBand 8 890 ~ 915MHz 935 ~ 960MHz
Max .Gain  60dB  65dB
Max. Output power 20dBm 10dBm
Gain Flatness 10dB(P-P)
Automatic Gain Control 20dB
Automatic shut down When self–oscillation occurs or attenuation value reaches 20dB, the corresponding link power supply is shut down.
Spurious Emission 9KHz~1GHz -36dBm @ 3KHz
1GHz~12.75GHz -30dBm @ 3KHz
Noise Figure 6dB
VSWR 1.8
Group Delay 1.5μs
LED  Indicator Standard
LED  Indicator GREEN Normal
RED Self-oscillation occurs and the corresponding link is automatically closed
Mechanical  Specifications
I /O Port
Operating Temperature
Environment Conditions
Power Supply
Input AC100~240V 50/60Hzoutput DC 5V

1)Wide Input Voltage:
Input DC Voltage Range 5-15V
2)  Self-oscillation Elimination:
The system detects self-oscillation, first reduces the link gain, then detects the loop, and finds that the self- oscillation is eliminated, the system returns to normal working state, otherwise, the power is turned off to prevent interference signal.
3)  Inactivity Mode:
When no user calls, the device works in standby mode, the uplink power amplifier is switched off, and the static power is decreased by 30%, so as to achieve the purpose of energy saving.
4) AGC (Automatic Gain Control):
When the downlink output signal is too strong or self-oscillated, the uplink and downlink can automatically reduce the gain and reduce the interference signal.
5) Automatic Power Shut-down:
When the self-oscillation happens, and the link attenuation value reaches 20dB, the MCU sends out the instruction and shut-down the PA.
6) ALC(Automatic Level Control):
Automatically adjust the output gain down to optimal figure while the output gain is above the optimal figure by the ALC circuit, this can greatly optimize the calling quality, data transfer quality, avoid the signal self- oscillation, and also very much reduce the interference to the cell tower, even if your house is very close from the cell tower, you don't need to worry about the interference and the trouble caused.

1. 30 Days Customer Satisfaction
2. Three Months Free Replacement
3. 3 Years Manufacture Warranty

1*900MHz Repeater
1*7dBi Indoor Magnet Antenna with 5 feet (1.5m) Cable
1*6dBi Outdoor Omni Directional Antenna with 50ft (15m) Coaxial Cable
4*Screws for Mounting
1*AC Adapter

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