[HomeBrew] simple UHF transmitter

[bhat srikanth]

Hello Frienids,

I need a simple QRP NBFM UHF transmitter-receiver pair
for patching up audio from a VHF Rx to a VHF Tx for
our local VHF repeater. The repeater uses a separate
VHF Rx and Tx separated by about 700 mts on two
building tops, to avoid using of an expensive duplexer
which we simply cannot afford. Currently we are using
a UHF handy as UHF TX and a Realistic Scanner as UHF
RX for the UHF patch. Looking to repalce them with
less expensive dedicated stuff..

I have a UHF PA module that I can use incase power
from Tx is too small. The TX and RX locations are
direct LOS though, so small powers should also be
adequate. 

Anyone can help? Does some one have any circuit ideas
or better still some modules in their junk
collection?(in exchange for IRCs, as sending $ from
India is a QRM)

Thanks for reading 
best 73
de Sri, VU2SBJ





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