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Gsm-r In-band Frequency Shifting Repeater

Posted at: Offers to Sell and Export | Posted on: Mon 25 Jan, 2010 2:13 am |
gsm r band frequency shifting repeater
Products Photos CatalogGsm Band Frequency Photos Catalog

Key Specifications/Special Features:

GSM-R In-band frequency shifting repeater consists of two different

elements, a master unit close to the BTS and at least one remote unit close to the area to be covered. The master unit amplifies the channel from the BTS and shifts them to different channel. In the remote uint, the shifted channels from the master unit will be transferred back to the original channels and amplified. This is valid for the downlink signals as well as for the uplink signals. Due to reasons of receives and transmit different frequencies, GSM-R In-band frequency shifting repeater overweights other repeaters in its larger gain achievement (97+/-3dB) and more extended coverage area. It is often used in complex electromagnetic environment, fiber optic unreachable areas and large gain required situation

Technical specifications:

Donor unit:

Input/output frequency: downlink: 930 to 934MHz, uplink: 885 to 889MHz

ALC: uplink and downlink: Δf0≤ 2dB

Maximum gain: uplink and downlink: 50 3dB

Flatness in band: ≤ 3dB

Gain control range: >=30dB

Gain control step: 1dB/step

Noise figure: ≤ 5dB

Propagation delay: 5ms

Stationary wave ratio: 1.4:1

Connector: N (negative)

Storage humidity: 80%

Remote unit:

Frequency: downlink: 930 to 934MHz and uplink: 885 to 889MHz

Maximum output power:

Downlink: 1, 2, 5, 10, 20W

Uplink: 1, 2W

ALC: f0≤ 2dB

Maximum gain: uplink: 90 3dB, downlink:95 3dB

Flatness in band: ≤ 3dB

Gain control range: >=30dB

Noise figure: ≤5 dB

Waveform quality: downlink: ≥ 0.950 and uplink: ≥ 0.960

Propagation delay: 5us

Stationary wave ratio: 1.4:1

Resistance: 50W

Connector: N (negative)

Storage temperature: 30 to + 55 C

Storage humidity: 80%

Working temperature: -30 to +55 C

Working humidity: 95%

Payment Details:

Payment Terms:


Minimum Order:

1 to 99 Unit

Delivery Details:

FOB Port:


Lead Time:

15 - 30 days

Country of Origin:

China (mainland)

Brand Name:


Primary Competitive Advantages:

Brand-name Parts

Country of Origin

Distributorships Offered

Electronic Link

Experienced Staff

Green Product


International Approvals



Product Features

Product Performance

Prompt Delivery

Quality Approvals



Small Orders Accepted


Beautiful design

Main Export Markets:

Eastern Europe

North America

Mid East/Africa

Central/South America


Western Europe



Company Contact:

zstone photo
Contact Name: Janet.wu
Company Name: Z-Stone Technology Co., Ltd
Email: Email
Tel: 86-595-22647996
Fax: 86-595-22647978
Street Address: No.25 Jiangnan
Hi-Tech Info. Zone, Quanzhou,
Fujian, China 362000
Website: http://www.z-stone.com
Member name: zstone
Country: China-CN China
Member Since: 25 January 2010
Total Leads: 16 zstone Import Export Business Leads
Business focus: Telecom Equipments. Our Product Range Covers From 400mhz To 15ghz, Such As Tetra, Gsm-r, Gsm, Dcs, Cdma, Wcdma
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