COBHAM MBF-40 Americas, Руководство пользователя

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MBF-40 SMR900 PS REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage Date: 31-May-18 www.cobham.com/wireless
Doc. No. 00141UM Rev. 1.0 Page | 7
Typical antenna types:
• Indoor dome 2.1 dBi; beam width 360°
• Indoor panel 4.2 dBi; beam width 106°
•
Radiating cable typically < -50 dBi
2.1.3 Recommended Splitters and Couplers
Recommended Splitters
Splitter part numbers 90 - 851102 90 - 851103 90 – 851104
Frequency band 700 – 2700 MHz 700 – 2700 MHz 700 – 2700 MHz
Split 2 way 3 way 4 way
Max Insertion Loss 0.4 dB 0.6 dB 0.6 dB
Split Loss 3 dB 4.8 dB 6 dB
Recommended Couplers
Coupler part numbers 90 - 852206 90 - 852210 90 – 852215 90 – 852220
Frequency band 700-2700 MHz 700–2700 MHz 700–2700 MHz 700–2700 MHz
Coupling -6 dB ±0.8 dB -10 dB ±1.0 dB -15 dB ±1.0 dB -20 dB ±1.0 dB
Max Mainline Loss 1.7 dB 0.8 dB 0.4 dB 0.22 dB
2.1.4 Indoor Installations Service/Mobile Antenna
Requirements
Determine the antenna installation configuration, according to the transmission requirements and the
installation site conditions.
Installation requirements:
• An indoor antenna should be installed at a convenient location. It should be free of metallic obstruction.
•
Install the service antenna at the designated height and tune it roughly toward the service coverage
area.
2.2 Infrastructure and Cabling Considerations
This section includes the following information:
• RF and grounding cabling guidelines
•
Power requirements
• F/O installation guidelines
•
EMV protection requirements
•
External alarm and relay considerations
• Criteria for selecting the repeater location