D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
www.cobham.com/wireless
Doc. No.00060CDUM Rev. 1.1 Page | 7
2.2 Service Antenna Considerations
The Service antenna type depends on whether the Signal Booster is installed indoors or outdoors.
2.2.1 Required Information
The following antenna requirements, specifications and site considerations should be met.
• Type of installation – indoor or outdoor
• Service area size
• Height at which antenna(s) is/are installed
• Antenna type and characteristics
• Length and type of coaxial cable required for connecting the Service antenna to the Signal
Booster and the attenuation.
2.2.2 Indoor Installations
2.2.2.1 Recommended Antennas
The following describes the requirements for an omni-directional mobile used for indoor applications.
Specifications:
• One or a combination of the following antennas can be used: Ceiling Mount Patch antenna, Wall
Mount Patch antenna, Corner Reflector.
• Omni directional antenna with a 0 to 2 dBi typical gain, or wide beam with up to 10 dBi gain.
• Example of omni-directional antenna specifications:
Gain: 0 to 2 dBi
VSWR: < 2:1
Impedance: 50 ohm
• Choose an antenna with high side lobe attenuation that allows maximum isolation from the
service/ mobile antenna.
• A minimum of 5 such antennas must be connected to the Signal Booster with cables and
splitters.
• The maximum EIRP from each antenna shall not exceed 3W.
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