GOBOOST GSM 900 DCS 1800 WCDMA 2100 МГц трехдиапазонный телефон Сотовая сеть 2G 3G 4G усилитель сигнала


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Цена:32,00 $ - 49,00 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-18-2025 38.31 $* 40.37 $*
Aug-18-2025 38.14 $* 40.64 $*
Jul-18-2025 32.15 $* 34.42 $*
Jun-18-2025 37.52 $* 39.34 $*
May-18-2025 32.87 $* 34.95 $*
Apr-18-2025 36.44 $* 38.45 $*
Mar-18-2025 36.70 $* 38.60 $*
Feb-18-2025 36.73 $* 38.43 $*
Jan-18-2025 36.59 $* 38.84 $*

Характеристики





Why Choose Us


8-year R&D experience
Advanced producing equipment
More than 120 country partnership
Product test certificated
One-year warranty






Products Description




Specification
Parameter Data
Uplink
Downlink

Frequency Range
890~915mhz
935-960mhz
1710-1785mhz
1805-1880mhz
1920-1980mhz
2110-2170mhz
Output Power
17±2dBm
21±2dBm
Gain
65±3dB
70±3dB
MTBF
≥50000H
Power Supply
AC: 100~220V  DC: 12V / 2A
Power Comsumption
4W
Mechanical Specification
RF Connector: N(Female)*2
Installation Type: Wall hang
Applicable Scene: Indoor
Signal Booster Size: 198mm * 180mm * 19mm;    Net Weight : 1.2kg
Working Environment: Humidity : 10~90% Temperature : -20℃~+60℃




How it works :
Outdoor Antenna: Send / Receive wireless signal data to Base station
Indoor Antenna: Send / Receive wireless signal data to Cell phone
Signal Booster: Strengthen the received signal








Details Images


SUPERIOR SAFETY DESIGN
OVER-VOLTAGE PROTECTION
OVER-CURRENT PROTECTION
SHOT-CIRCUIT PROTECTION


QUICK HEAT DISSIPATION
NEW DESIGN WITH ALUMINUM ALLOY SHELL
FASHION & DURABLE BOTH YOU CAN HAVE
PROTECT BOOSTER FROM LONG-TERM USE


-10℃ ~ 55℃ OPERATING TEMPERATURE
COLD & HEAT RESISTANT
DURABLE AND TOUGH


Techincal specification






Installation Instructions






STEP 1: Search a position where can receive good signal (stronger than-70dB) . Install outdoor antenna on that location, point to base station.




* Different cable length meeting your demand.
STEP 2: Install indoor antenna to the position where you need to cover signal.




STEP 3: Connect outdoor antenna and BTS port by coaxial cable, then connect indoor antenna and MS port, ensure all connections are ready. Power on your repeater and enjoy it.


Package & Production












FAQ


phone cellular network 2G 3G 4G signal booster repeater
Q1: How about gain and output power of your device?
A: GB21 Tri-band signal repeater has 70dB Gain and 21dBm Output power,
and it can cover 400~800 square meters, for more details, please contact us.

Q2: What's your device lifespan?
A: Normally our devices can be used 5-10 years, and we offer 24 months warranty and lifelong maintenance for the devices.

Q3: Can I use your device in suburbs or remote areas?
A: Yes, as long as you can find a good signal source, our signal booster can help you solve signal problems in remote areas.

Q4: What's your MOQ?
A: We don't have MOQ. Small quantity is also acceptable.

Q5: Do you accept OEM / ODM order?
A: Yes, we can customize the brand logo, colors, and frequencies.

Q6: Payment Method
A: T/T, Western Union, Paypal, and Credit Card are available,
we suggest paying by Alibaba Trade Assurance, the most favor, and security method.
Please contact us for other methods.


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