User Manual

dTRU Unit Description
1 dTRU Unit Description
The double Transceiver Unit (dTRU) is a 2-TRX replaceable unit. A TRX is a
transmitter/receiver and signal-processing unit, which transmits and receives
one carrier.
Figure 1 dTRU and dTRU EDGE
1.1 Product Overview
The dTRU is a 2-TRX replaceable unit. A TRX is a transmitter/receiver and
signal-processing unit, which transmits and receives one carrier. There are
different versions of dTRU depending on the frequency band and modulation
capability, that is, GMSK, 8-PSK, 16-QAM and 32-QAM.
The dTRU has two TX antenna terminals and four RX antenna terminals. The
dTRU features a built-in hybrid combiner. The hybrid combiner can be used to
combine the two TX antenna terminals to one common terminal.
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8/1551-LZA 701 0001 Uen PC1 2010-09-26