● qualification

Realize the simultaneous operation of four communication devices

Frequency division: 24 frequency bands are divided into 30-88 MHz with 2.5

MHz as the step

Loss: less than 2.5 dB

Standing wave: less than 2.5

Out-of-band suppression: the suppression is greater than 40 dB at every sub-

band

Withstand power: greater than 50 W

Functional block diagram ：