MBF-40 SMR900 PS REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless
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Coverage
Date: 31-May-18
www.cobham.com/wireless
Doc. No. 00141UM
Rev. 1.0
Page |
2
1.1 Features and Capabilities
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High-power indoor unit supporting SMR 900 MHz
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Output power at the antenna (composite): 37 dBm
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Very low noise factor — minimizes interference to BTS and increases high speed data throughput
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Remote commissioning and monitoring:
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Via OMU II intuitive Web GUI
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SNMP v1/v2c support
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Plug-and-Play — automatic detection and optical gain setting via the OMU
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Automatic level control (ALC) — provides constant gain in both uplink and downlink paths according to
the defined maximum output level
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Backup battery for ‘last gasp’ indication (sending fault error before power failure)
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Power source: 115 VAC or -48 V power (model dependent)
1.2 ALC
The repeater has a constant gain in both uplink and downlink paths. The repeater has a defined maximum
output level. If the input signal amplified by the gain set exceeds the set output limit, an automatic level
control (ALC) loop is activated. This ALC ensures that the amplifier does not add distortion to the radio
signal. Below are examples of the ALC function for one and two carriers.
Figure 1-2. Example of ALC for One and Two Carriers
Summary of Contents for MBF-40 Americas
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