MODEL WP-639
designed for use with duplex systems operating at 600
KHz or more frequency separation in the 144-174 MHz
band. It consists of four 5” OD cavities interconnected
with double shielded cable in a bandpass-reject
configuration. To maintain maximum isolation, double
shielded cable must be used to interconnect the
duplexer to the transmitter and receiver. Numerous
duplexer installation cable kits are available but must
be ordered as an optional item. The Model IC-224118
cabinet is also available as an optional item.