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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).

Features:

 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

Application:

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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