CPI Diplexer 112500-04

CPI 112500-04 Ka-Band Diplexer | 2-Port RX/TX | Circular Polarized

The CPI 112500-04 is a precision-engineered 2-port Ka-band diplexer supporting circular polarization for full-duplex satellite communication. Covering 19.7–21.2 GHz (RX) and 29.5–31.0 GHz (TX), this high-isolation unit delivers outstanding rejection performance (≥90 dB) and ultra-low insertion loss. Built for reliability, it supports 5 PSIG pressurization and 500 W CW power handling, with a rugged finish for harsh environments.

Key Features:

Frequency Bands:
• RX: 19.7–21.2 GHz
• TX: 29.5–31.0 GHz
Insertion Loss:
• RX: ≤0.25 dB
• TX: ≤0.20 dB
VSWR: ≤1.2:1 (RX & TX)
Rejection (Isolation):
• RX/TX: ≥90 dB
• 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)
• Ports 1 & 2: Copper alloy
• Exterior: White paint (FED-STD-595 #17875)
Polarization: Circular (CP)