• Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
  • Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
  • Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
  • Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
  • Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
  • Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater

Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater

Type: Signal Repeater
Transmission Medium: Cable
Standard: Standard
Lightning Protection: With Lightning Protection
Certification: ISO, RoHS
Condition: New
Customization:

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Basic Info.

Model NO.
ET-CRW43S-F
Outpower
20watt
Gain
90dB
Band
WCDMA 3G
Work Environment
Outdoor
Transport Package
Carton or Wooden Case
Specification
CE, ROHS
Trademark
etenda
Origin
Shenzhen
HS Code
8517611010
Production Capacity
500PCS/Month

Product Description

Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater

We can also make other band repeater as customer,feel free to contact us for your requirement!
 
Introduction

RF Repeater is designed to enhance cellular network coverage and fill blind spots. Main operation of the repeater

is to receive low-power signal from Base Station (BS) via radio frequency (RF) transmission by its donor antenna,

process, amplify and forward the signal to Mobile Station (MS) in target coverage area by its service antenna.


Features

1.Aluminum alloy enclosure for excellent heat dissipation,waterproof design for all-weather installation;

2.Metal cavity filter technology inside, which gives wider receiving and sending separation, better gain flatness, higher stability, and lower noise figure;

3.Modules structure,full-duplex & dual-port design, and built-in power supply,easy for maintenance and installation;

4.High linearity PA; high system gain;

5.Allowing for continuous gain adjustment 31dB by 1dB step;

6.ALC technology used to provide auto amplitude fixing;

7.Press-key , Local PC GUI operation and Optional Remote Modem control.


RF Repeater Typical Application

Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater
Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater


Specifications
 Project     Uplink   Downlink 
Working Frequency  CDMA850 824 ~ 849 MHz 869 ~ 894 MHz
GSM850 824 ~ 849 MHz 869 ~ 894 MHz
GSM900 880 ~ 915 MHz 935 ~ 960 MHz
DCS 1710 ~ 1785 MHz 1805 ~ 1880 MHz
PCS 1850 ~ 1910 MHz 1930 ~ 1990 MHz
WCDMA 1920 ~ 1980 MHz 2110 ~ 2170 MHz
AWS 1710 ~ 1755 MHz 2110 ~ 2155 MHz
LTE 700 MHz( A, B, C, D band optional)
2500 ~ 2570 MHz 2620 ~ 2690 MHz
Frequency Error ≤±0.5ppm
Output  Power 37dBm 43dBm
Gain 85dB 90dB
In-Band Ripple GSM ≤3dB
DCS ≤5dB
WCDMA ≤5dB
VSWR ≤1.5:1
Three order intermodulation ≤-45dBc/30KHz
Gain adjustment accuracy 0-10dB≤1dB
10-20dB≤1dB
20-30dB≤1.5dB
System Delay ≤1.5us
Rejection band Fo±0.4MHz ≤-25dBm
Fo±0.6MHz ≤-35dBm
Fo±1MHz ≤-48dBm
Spurious Emission 9KHz~150KHz≤-36dBm/10KHz
150KHz~30MHz≤-36dBm/100KHz
30MHz~1GHz≤-36dBm/100KHz
1GHz-12.75GHz≤-30dBm/1MKHz
Noise Figure ≤5dB
I/O Impedance 50Ω
RF Connector  N-Type (Female)
Frequency error ≤±5×10¯8
Reliability To the GB6993-86 standard
Electromagnetic compatibility To the ETS200300 694-4 standrd
Power AC110V or AC220V
Temperature Range -25ºC~+65ºC   
Relative humidity ≤95%
Size 540X360X230mm 
Weight 25kg
Operation Configuration LCD Display, Manual Key-press, PC RS232 Port
GSM MODEM (Optional)
Ethernet RJ45 (Optional)


Schematic
Outdoor 20W WCDMA 3G UMTS Mobile Signal Repeater




Working principle:


When the repeat antenna receives uplink signals from a subscriber, the signals will undergo processing of low-noise amplifier, filter and power amplifier first, and then be transmitted to the base station, thus accomplishing connection between subscribers in signal blind area and base station.

In this way, the blind areas are eliminated.

Considering receiving signal intensity and coverage size may vary with sites where repeater is located, it is necessary to control the gain and output of the repeater.

Additionally, considering the fading effect in spatial signal transmission, auto amplitude fixing for output is required.

For this purpose, MGC and ALC circuits are included in the uplink/downlink channels.

 

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