User's Manual

EX7100 Technical Manual - Installation of Antenna and Equipment
©1999 Exicom Technologies (1996) Ltd 2-6 Issue 2 - February 2001
If the terminal’s transmitter frequency is higher than it’s receiver frequency, the RF output
connector should be connected to the high-pass side of the duplexer.
If the terminals transmitter frequency is lower than it’s receiver frequency, the RF output
connector should be connected to the low-pass side of the duplexer.
Figure 2.3 below shows the RF connections for a UHF duplexer.
Figure 2.3: UHF Duplexer Connections
A suitable lightning arrestor must
be installed at all
times in the coax cable between the EX7100 terminal
and the antenna.
BRBP
Band Reject
Band Pass
Filter
(HPF)
BPBR
Band Pass
Band Reject
Filter
(LPF)
4 Cavity Duplex filter
Hig h
Low
low pass
adjustment
High pass
adjustment
Tx or Rx Tx or RxAntenna
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