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Gsm900 / Egsm Rf Repeater Rfr Is Designed To Improve Signal Coverage And Communication Quality

Posted at: Offers to Sell and Export | Posted on: Thu 14 Aug, 2008 6:25 am |
gsm900 egsm rf repeater rfr signal coverage communication
Products Photos CatalogGsm900 Egsm Repeater Photos Catalog

The GSM900/EGSM RF Repeater (RFR) is designed to provide a more cost-effective solution than adding a

new Base Transceiver Station (BTS) to improve signal coverage and communication quality in GSM & EGSM system. And its easy installation and maintenance can help carrier get fast return.

The repeater is working as a relay between the BTS and mobiles. It receives the low-power signal from BTS via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Coverage Antenna to the weak/blind coverage area. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.

The band-selective function can amplify all signals in the whole band (bandwidth is customized).


 Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corroding

 No interference to BTS by adopting linear amplifier with high gain and low noise

 Adopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink

 RS-232 port provides a link to a notebook for local supervision or to the built-in wireless modem to communicate with the NMS (Network Management System) that can remotely supervise repeater’s working status and download operational parameters to the repeater


To expand signal coverage or fill signal blind area where GSM signal is weak or unavailable.

Outdoor: Airports, tourism regions, golf courses, tunnels, factories, mining districts, villages, …

Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, …

Technical Specification

Item Specifications

Working Frequency Uplink 880~915 MHz (customizable)

Downlink 925~960 MHz (customizable)

Working Bandwidth 0.2~25 MHz (customizable)

Output Power 2 / 5 / 10 / 20 W (33 / 37 / 40 / 43 dBm)

No. of Band Modules 1

OIP3 ≥ 63 dBm

Gain ≥ 85 dB

Gain Adjustment Range 1~31 dB @ step of 1 dB

Gain Stability < 1dB

Automatic Level Control (ALC) > 20dB

Group Delay ≤ 5 μSec

Noise Figure ≤ 5 dB

EDGE / Hopping Ability Support

Return Loss > 15dB

Voltage Standing Wave Ratio < 1.5

Spurious Emission Within working band ≤ -15dBm/30kHz

Out of working band

(∆f > 2.5MHz) 9kHz~1GHz: ≤ -36dBm/30kHz

1GHz~12.75GHz: ≤ -30dBm/30kHz

In-band Ripple ≤ 3 dB

I/O Impedance 50 Ω

Temperature Range Operation: -25°C ~ + 55°C / Storage: -30°C ~ +60°C

Relative Humidity Range ≤ 95% (non condensing)

Power Supply DC +24V / AC 220V±15% or AC 110V±15%, 50Hz (customizable)

Power Consumption ≤ 180 W

Internal Battery Backup 1 hour for NMS

External Battery Backup (optional) > 4 hours

RF Connector N- Female / DIN-Female (customizable)

MTBF > 65,000 hours

Enclosure’s Degrees of Protection IP65

Dimensions Output power @ 33~37dBm : 570mm X 325mm X 215mm

Output power @ 37~43dBm : 630mm X 400mm X 230mm

Weight Output power @ 33~37dBm : 27kg

Output power @ 37~43dBm : 35kg

NMS Monitoring Function Real-time alarm for door status, temperature, power supply, etc.

Company Contact:

Guanritechnology photo
Contact Name: Ankeer
Company Name: Shenzhen Guanri Technology Co., Ltd
Email: Email
Tel: 86-755-26711296
Fax: 86-755-26723967
Street Address: 5/F Building M-8,
High Technology Industrial Park,
Shenzhen, China
Website: http://www.guanri.com.cn
Member name: Guanritechnology
Country: China-CN China
Member Since: 12 August 2008
Total Leads: 11 Guanritechnology Import Export Business Leads
Business focus: Repeaters, Fiber Optic Repeater, Pass Band Rf Repeater, Band-selective Rf Repeater, Frequency Shift Repeater, Providing Solutions Of Coverage
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