Seems like Kenwood has a KCT-19 cable that plugs into the radio and brings
a 15 pin molex connector out of the radio. This has all the PTT, COR, Mic
IN, etc needed to interface. Also seems line JB Enterprises has a $70
controller with CWID (whole controller abt the cost of an ID8) that
programs with hyper term and a com cable.
The KCT-19s are a little over $20 each. You will need to buy a couple of
male 15 pin molex connectors, another $10 and do some soldering to connect
to the controller board.
I am going from memory here, and not certain the KCT-19 fits the 840. It
does fit the 880.
Also you will need to program the 840's. Put the same send and receive in
each radio, and use the alignment software to TURN DOWN THE TRANSMIT TO
AROUND 10 WATTS. With a couple of boxer fans on the PA you may go for a
while. With both programmed the same you can swap TX/RX when the PA fails.
If it is going to get serious work out you may consider 5 Watts out - this
is a match for most 4 Watt talkies, and with GOOD DUPLEXER, CABLE and
ANTENNA can make up for not so hot power on transmit.
I will double check the KCT-19 on the 840 in the morning.
73,
Steve
NU5D
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