Triple cavity coaxial filter FDB / 1031-M in quarter wave high “Q” with variable coupling with maximum capacity of 1’2KW and connector type 7/16 ″.
Installed between the transmitter and antenna, it provides a spurious-free output signal and perfect isolation from other emissions. Made of aluminum with internal silver copper lines and PTFE insulators. These cavity filters have a B.W. command that allows you to adjust selectivity.
The TRIPLE version guarantees excellent selectivity, ideal for systems with frequencies very close to each other.
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