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Umts / Gsm1800 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 9:27 am

umts gsm1800 rf repeater rfr designed improve signal coverage
The UMTS/GSM1800 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 UMTS & GSM 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.



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 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 UMTS GSM1800
Working Frequency
(customizable) Uplink 1920~1980 MHz 1710~1785 MHz
Downlink 2110~2170 MHz 1805~1880 MHz
Carriers 1 / 2 / 3 1 / 2 / 4
Output Power Downlink: 2 / 5 / 10 W (33 / 37 / 40 dBm) Uplink: 1W Downlink: 2 / 5 / 10 / 20 W (33 / 37 / 40 / 43 dBm) Uplink: 1W
Gain ≥ 85 dB
Gain Adjustment Range 1~31 dB @ step of 1 dB
Automatic Level Control (ALC) > 20dB
Group Delay ≤ 5 μSec
Noise Figure Uplink: ≤ 5 dB Downlink: ≤ 5 dB
Isolation required between donor and service antenna @max gain > 95dB
In-band Ripple ≤ 3 dB
Return Loss > 15dB
Voltage Standing Wave Ratio < 1.5
Spurious Emission Comply with 3GPP TS 25.106 V6.0.0 Within working band: ≤ 15dBm/30kHz
9kHz~1GHz: ≤ -36dBm/30kHz
1GHz~12.75GHz: ≤ -30dBm/30kHz
Adjacent Channel Power Ratio (ACPR) P ≥ 31 dBm: (Offset 5MHz) ≤ 49dBc
P ≥ 31 dBm: (Offset 10MHz) ≤ 54dBc
P < 31 dBm: (Offset 5MHz) ≤ 50dBc
P <31 dBm: (Offset 10MHz) ≤ 55dBc -
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 ≤ 220 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 : 630mm X 400mm X 230mm
Output power @ 37~43dBm : 690mm X 420mm X 260mm
Weight Output power @ 33~37dBm : 35kg
Output power @ 37~43dBm : 45kg
NMS Monitoring Function Real-time alarm for door status, temperature, power supply, etc.


Company Contact:
Contact Name: Ankeer
Company Name: Shenzhen Guanri Technology Co., Ltd
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
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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