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Diagram 10 - Connections to share a transmit antenna between two
radios for simultaneous reception and safe switch over to transmit.
The main RADIO in this example is shown as a Kenwood transceiver,
making use of the special Kenwood Keying Cable DXE-KWD-RTR.
See section
More On RADIO PTT-RX Enable.
Supports the addition of
an SDR spectrum display to a standard transceiver. External options
may be desired. RTR-2 Plug-In Modules are effective only for main
RADIO.