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Repeaters for mobile networks are "transparent" devices that couple, filter, amplify and relay RF signals for both uplink and downlink direction, they are effective tools to enhance mobile coverage for 2G and 3G networks. Comba's wide range of repeater products provide total solutions for mobile networks from covering blind spots to implementing integrated coverage systems. Comba's repeaters range covers all major mobile technologies including CDMA800, GSM900, GSM1800, CDMA1900, GSM1900 and WCDMA. The product lines include Outdoor Repeaters, Indoor Repeaters and Optical Repeaters that are available in Band-selective, Channel-selective and Wideband.
Applications The use of repeaters can increase blind spot coverage e.g. provide coverage to radio shadows area, coverage extension e.g. extend BTS signals to highway. It is also used for in-building coverage for highrise buildings, stadiums, airports and so on. The deployment of repeaters will effectively optimize network efficiency by centralizing/redirecting traffic capacity, enhancing power budget and increasing network rollout time and time to market.
Key Features and Highlights *Compliant to all major technologies including CDMA, GSM (EDGE) and WCDMA (HSDPA) * Wide range of product line that can be used from high-rise building to underground railway * Complete OMT and OMC software for total control and management * Built-in wireless modem for remote control and monitoring * Automatic osciallation monitoring * Automatic Level Control * IP65/IP55 Chassis for outdoor deployment (Outdoor Repeaters) * Convection cooling (no fans required) * Widely deployed and market proven with more than 170,000 units deployed globally

Product Portfolio
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CDMA800 |
GSM900 |
GSM1800 |
WCDMA |
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Outdoor Repeater |
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Channel Selective |
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M,H |
M,H |
M,H |
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Band Selective |
M,H |
M,H |
M,H |
M,H |
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Indoor Repeater |
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Indoor RF Repeater |
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M,H |
M,H |
M |
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Pico Repeater |
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L |
L |
L |
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Wideband Booster |
M,H |
M,H |
M,H |
M,H |
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Optical Repeater |
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M,H |
M,H |
M,H |
M,H |
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L=Low Power ≤ 0.5w |
M=Medium Power ≤ 2w |
H=High Power ≤10w | Outdoor Repeater *Channel Selective = independent channelized amplifier (GSM model supports up to 8 channels, CDMA and WCDMA model supports up to 2 channels) *Band Selective = software remotely adjustable operating bandwidth Indoor Repeater *Indoor / Pico Repeater = Fixed / adjustable Band selective model *Wideband Booster = support full GSM/EGSM, CDMA, WCDMA bandwidth Optical Repeater *Utilize RF over fibre technologies than support up to 20km of optical fiber
**To download brochure, please click here. |