User's Manual

Intelibs, Inc. Proprietary and Confidential Page 9
9
2.2 Modules
MRU is comprised of several internal modules such as 4 Band Multiplexer, DC/DC Converter, MRU Unit
and 2 HPAs which is include FSK modem and main controller. Figure 2-4 shows inside of MRU system.
Figure 2-4 Inside of MRU
Table 2-3 Modules
Module
Picture
Description
DC/DC
Converter
This module converts +48VDC of PoE cable into +29VDC
and provide this DC power to each active module in MRU.
Low Band High
Power Amplifier
This module amplifies low band signal such as 700/850MHz
in order to get high energy and transmit high energy signal
to Multiplexer filter. Composite power can be transmitted
by this amplifier is 2W(33dBm/total).