Guangdong, China
Business Type:
Manufacturer/Factory
Registered Capital:
1000000 HKD
Plant Area:
501~1000 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service

Signal Booster, Mobile Signal Booster 4G, 4G Indoor Repeater manufacturer / supplier in China, offering Tetra Band Selective Signal Repeater Bda, Tetra 380MHz Solid State RF Power Amplifier, 15dBm 68db 1800MHz 2g Signal Booster Dcs Repeater and so on.

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Tetra Band Selective Signal Repeater Bda

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Min. Order: 1 Piece
Port: Yantian, China
Production Capacity: 500PCS/Month
Payment Terms: T/T, Western Union
Type: Signal Repeater
Transmission Medium: Cable
Standard: Standard
Lightning Protection: With Lightning Protection
Certification: ISO
Condition: New

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Basic Info

Model NO.: ET-CRT40BS-F
Outpower: 10watt
Gain: 90dB
Band: CDMA/GSM/3G/4G/Tetra/Iden
Work Environment: Outdoor
Trademark: etenda
Transport Package: Conton or Wooden Case
Specification: CE, ROHS
Origin: Shenzhen
HS Code: 8517611010

Product Description

Tetra Band Selective Signal Repeater BDA

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.High out band rejection, excellent intermodulation and spurious emissions;

3.Modules structure,Multi-duplexer,two ports design,and built-in power supply,easy for maintenance and installation;

4.Adopting cavity filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink;

5.High linearity PA; high system gain;

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

7.Local and remote monitoring with automatic fault alarm.


RF Repeater Typical Application

Tetra Band Selective Signal Repeater Bda


Specifications
      Uplink  Downlink 
Working Frequency Tetra380380 ~ 385 MHz390 ~ 395 MHz
Tetra400400 ~ 405 MHz410 ~ 415 MHz
Tetra420415 ~ 420 MHz425 ~ 430 MHz
CDMA450 C450 ~ 455 MHz460 ~ 465 MHz
CDMA450 A452.5 ~ 457.5 MHz462.5 ~ 467.5 MHz
Tetra480480 ~ 485 MHz490 ~ 495 MHz
VHF136 ~ 174 MHz136 ~ 174 MHz
IDEN806 ~ 821 MHz851 ~ 866 MHz
Othersas customized
Output Power27/30/33/37/40dBm33/37/40/43/46dBm
Gain80dB80-95dB
Downlink to Uplink Separation3Mhz min
MGC≥ 31dB / 1dB step
VSWR≤1.5:1
In band flatness≤3dB
Three order intermodulation≤-45dBc
Gain adjustment accuracy0-10dB≤1dB
10-20dB≤1dB
20-30dB≤1.5dB
System Delay≤5dB 
Rejection bandFo±0.4MHz≤-25dBm
Fo±0.6MHz≤-35dBm
Fo±1MHz≤-48dBm
Spurious Emission9KHz~150KHz≤-36dBm/10KHz
150KHz~30MHz≤-36dBm/100KHz
30MHz~1GHz≤-36dBm/100KHz
1GHz-12.75GHz≤-30dBm/1MKHz
Noise Figure≤5dB
I/O Impedance50Ω
RF ConnectorN-Type (Female)
ReliabilityTo the GB6993-86 standard
Electromagnetic compatibilityTo the ETS200300 694-4 standrd
PowerAC110V or AC220V
Temperature Range-25ºC~+65ºC   
Humidity≤95%
Sizeless than 660x410x200mm
Weight30-35kg


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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