Gold Member Since 2014
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Shenzhen Greetwin Technology Co., Limited

Tri Band Repeater, Signal Booster, Cell Phone Extender manufacturer / supplier in China, offering 20dBm 900MHz&1800MHz&3G Tri Band Repeater/ Signal Booster /Cell Phone Extender (GW-20R-GDW), 43dBm PCS1900 Frequency Shift Repeater/Cell Phone Booster/Mobile Phone Booster (GW-43FSRP), 40dBm Dcs 1800 Cell Phone Repeater/Signal Booster (GW-40D) and so on.

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Supplier Homepage Product Mobile Signal Repeater Triple Band 20dBm 900MHz&1800MHz&3G Tri Band Repeater/ Signal Booster /Cell Phone Extender (GW-20R-GDW)

20dBm 900MHz&1800MHz&3G Tri Band Repeater/ Signal Booster /Cell Phone Extender (GW-20R-GDW)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 2, 000PCS/Month
Transport Package: Neutral Packing
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: GW-20R-GDW
  • Transmission Medium: Wireless
  • Trademark: Greetwin
  • Origin: Shenzhen
  • Type: Signal Repeater
  • Tri Band Repeater: 900MHz+1800MHz+3G
  • Specification: CE, RoHS
  • HS Code: 8543709200
Product Description
20dBm 900MHz&1800MHz&3G Tri Band repeater signal booster  Cell Phone Extender (GW-20R-GDW)
Model: GW-20R-GDW

Tri-Band Signal Booster series is an ideal solution for three wireless system in small/medium businesses and home users looking to enhance indoor 2G&3G wireless connectivity. It is connected via coaxial cable to Tri-Band Donor Antenna and Service Antenna, Tri-Band Donor Antenna is placed outside the building where it has easy access to BTS signal, and the Service Antenna is placed in the building where it can extend radio coverage to the blind area. 

Advantages:

Fast & easy Installation
The installation of a repeater is easy and simple. With its plug and play design, installation simplicity, and operational user friendliness, these features appeal greatly to many operators for the purpose of indoor coverage or for temporary coverage during network optimization.
Smart Function, Intelligent mode setting
Compare to the worldwide repeater brand, has a smart function called which can be activated via the front panel. This smart function can prevent UL interference and self-oscillation caused by insufficient isolation between donor and service antennas, and also setup parameters and keep optimal condition automatically; the only thing for users is just activating this function by front panel.
Notify that the users can't adjust by manual setting when smart function is initiated. 

For example,(To set attenuation for the uplink)
Step 1:Press SELECT till the indicator stops at uplink.
Step 2:Press STORE and LED monitor starts blinking.
Step 3:Press"+", "-"to an intended gain value.
Step 4:Press STORE to set the value and the LED stop blinking and
showing the gain value at the moment, the process is done.

Auto Level Control
The 20dB ALC is used to maintain steady output power even when the donor source signal fluctuates. Also when the ALC is activated, the ISOLATION LED indicator would be lighted in orange, which means the Isolation may not be enough. It also prevents UL interference and self-oscillation from insufficient isolation between donor and service antennas.
Uplink silent function
Repeater uplink is not used when the device will automatically close up PA. Open the -90dBm uplink signal sensitivity. The upstream silent function can make the repeater station to base station interference is reduced to the minimum, to ensure that equipment is not interference base station. This function customer can also use the equipment operation buttons on the panel to open or close the function, facilitate customer choice.
Antenna isolation testing
The product also has a repeater mounted antenna isolation detection function. Equipment installation completed boot automatically after the onset detection transceiver antenna isolation, if transceiver antenna isolation can not meet the installation requirements, the device will automatically reduce the gain to guarantee the equipment in normal working, not self-excitation vibration, guarantee not to interference protection of base station, repeater itself. At the same time alarm exhibit of lanterns bright red light alarm. Device LED gain display panel will display device is reduced after the equipment current gain state, which has the advantages of convenient construction, but also to protect the base station equipment, and does not generate interference.
 
Application:
To expand signal coverage of fill signal blind area where signal is weak or unavailable.
Indoor: Hotels, Home, Basements, Shopping Malls, Offices, Parking Lots, Shop.etc.
20dBm 900MHz&1800MHz&3G Tri Band Repeater/ Signal Booster /Cell Phone Extender (GW-20R-GDW)

Frequency Range Uplink Downlink
GSM900+DCS1800+WCDMA 890- 915/1710 - 1785/
1920 - 1980MHz
935 - 960/1805 - 1880/
2110 - 2170MHz
CDMA800+PCS1900+WCDMA 824 - 849/1850 - 1910/
1920 - 1980MHz
869 - 894/1930 - 1990/
2110 - 2170MHz
GSM900+DCS1800+LTE2600 890- 915/1710 - 1785/
2500 - 2570MHz
935 - 960/1805 - 1880/
2620 - 2690MHz
Max. Gain 60-65dB 60-70dB
Max. Output Power 10-20dBm 10-23dBm
Band width Wide Band
Manual Gain Control 31dB     / 1dB Step
Automatic Gain Control >25dB
Ripple in-band ≤ 6dB
Return loss ≤ -10dB
Noise Figure ≤ 6dB
Spurious Emission
&Intermodulation
9KHz~1GHz ≤ -36dBm
1~12.75GHz ≤ -30dBm
WCDMA Spurious Emission Mask Meet 3GPP TS 25.143 ( V 6.2.0 )
Modulation Accuracy ≤ 12.5%
Peak Code Domain Error ≤ -35dB@Spreading Factor 256
Time Delay ≤ 1.5 μs
Frequency stability ≤ 0.01ppm
MTBF > 50000 hours
Impedance 50 ohm
Power Supply AC100-240V,DC9V/5A
Power LED Power Indicator
Alarm LED Antenna isolation is lower than the isolation for equipment installation Or ALC 1~5dB Red.
Mechanical Specification
RF Connector N-Female
Switch Power Switch
Cooling Heatsink Convection cooling
Humidity < 90%
Operating Temperature -10'C~55'C
Environment Conditions IP40
Installation Type Wall Installation
Size 300*296*76mm
Weight < 7.5Kg

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