User's Manual

Epoch-III-C9024/9030/9533
User Manual V0.1
Advanced RF Technologies, Inc. Proprietary Document Page 36 of 36
Power Supply
It provides DC power to each module within the repeater.
Controller
It is responsible for monitoring the status of each module and controls the
parameters.
Down Udc
The downlink RF signal that enters through the cavity filter is converted to IF
frequency, which is later converted back to RF frequency through SAW filtering.
Up Udc
The uplink RF signal that enters through the cavity filter is converted to IF
frequency, which is later converted back to RF frequency through SAW filtering.
Duplexer
It consists of two BPFs (band-pass filters): Cellular TX (869 ~ 894 MHz) & RX
(824 ~ 849 MHz)
HPA
It receives the output signal from the Up/Down converter module and amplifies
the signal to the repeater’s rated maximum power level.
Modem Module
modem Module