CPI Diplexer 112500-05

CPI 112500-05 Ka-Band Diplexer | RX: 19.7–21.2 GHz, TX: 29.5–31.0 GHz | Circular Polarized

The CPI 112500-05 is a high-isolation, 2-port Ka-band diplexer supporting circular polarization for full-duplex SATCOM links. Designed for demanding ground station or gateway applications, it offers low insertion loss, excellent axial ratio, and outstanding ≥90 dB rejection between receive and transmit paths. Built to handle 500 W CW and sealed to 5 PSIG, this unit delivers long-lasting, high-performance signal separation in the Ka-band.

Key Features:

RX Band: 19.7–21.2 GHz
TX Band: 29.5–31.0 GHz
Insertion Loss:
• RX: ≤0.25 dB
• TX: ≤0.20 dB
VSWR: ≤1.2:1 (both RX & TX)
Isolation (Rejection):
• RX/TX & TX/RX: ≥90 dB
Axial Ratio: ≤0.75 dB
Power Handling: ≥500 W CW
Pressurization: Sealed to 5 PSIG
Finish:
• Common Port: Zinc-nickel plated (AMS 2417G, Type II, Class 2)
• Ports 1 & 2: Copper alloy
• Exterior: White paint (FED-STD-595, Color No. 17875)
Polarization: Circular