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CBL- FLEXKEY Cable used to connect the KPA1500  to Flex transceivers listed below.

If your radio is not listed above, contact Technical Support.

Cable Type

Transceivers Operation Mode
KPA1500 CBL- FLEXKEY Flex 6000-family Enhanced Mode. KXUSB cable for freq. data, (Phono Cable incl. w/ Amp)


Standard Mode = Keying (amplifier to transmit mode) Amp’s internal frequency counter auto-selects band and ATU frequency.
Intermediate Mode = Intermediate Mode-Radios w/BCD band data lines only. Keying plus band switching prior to TX. Amp’s internal frequency counter selects ATU frequency.
Enhanced Mode = Keying & Frequency Data from radio select amplifier band and ATU frequency prior to TX.