Damm Cellular Systems A S 104013 Door System Transmitter User Manual Revised Notes to Installers

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Document ID	1778527
Application ID	qiw9gmkXtSloQVaJ9jR9Dg==
Document Description	Revised Notes to Installers
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	5.42kB (67792 bits)
Date Submitted	2012-08-30 00:00:00
Date Available	2013-03-07 00:00:00
Creation Date	2012-08-30 08:31:01
Producing Software	Microsoft® Office Word 2007
Document Lastmod	2012-08-30 08:31:01
Document Title	Revised Notes to Installers
Document Creator	Microsoft® Office Word 2007
Document Author:	Mario de Arazeta

Notes to Installers/ Technicians
The TR412 is a self contained single carrier transceiver card that slide into our BS 411
and BS 414 rack systems. The TR412 card is FCC approved for use and only fit in
Damm Cellular equipment. The TR412 will only fit these rack systems. The base
station supplies both the power supply voltages and the programming/network
connectivity required to make the base stations function.
Complete operational documentation is included in the Damm Cellular TETRA User’s
Manual Version 7.5.
RF Exposure
The TR412 when installed in the base stations are designed for use with antennas that
are fixed mounted on permanent structures. The antenna system used can have
many different configurations and gains. The separation distance between and other
operational requirements concerning RF exposure are contained in the RF exposure
report. A summary for one case is shown below:
Frequency: 450 MHz
The conducted power output is 12 Watts. Power out of base station (max.)
The coax loss was taken as 1.0 dB.
Antenna gain was taken as 3 dBi
100% Duty Factor
Power Density = S= 0.3 mW/cm2
For a transmitter operating with the above criteria the separation distance should be
no less than 103 cm or 3.4 ft between the antenna, including any radiating structure,
and any persons when normally operated. This is for only a single transmitting
carrier; other operating conditions should follow a procedure like that shown in the RF
exposure report and following the guidelines such as those in FCC document OET-65.

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Author                          : Mario de Arazeta
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Create Date                     : 2012:08:30 08:31:01-04:00
Modify Date                     : 2012:08:30 08:31:01-04:00
Producer                        : Microsoft® Office Word 2007

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