CPI Diplexer 114480-14

CPI 114480-14 Ka-Band 4-Port Diplexer | Circular Polarized | 19.2–21.2 / 29.0–31.0 GHz

The CPI 114480-14 is a high-isolation 4-port Ka-band diplexer designed for circular polarized SATCOM applications. It supports Rx from 19.2–21.2 GHz and Tx from 29.0–31.0 GHz, with ultra-low insertion loss, excellent VSWR, and 85 dB minimum isolation between channels. With tight axial ratio control and 500 W per-port power handling, it's ideal for high-capacity gateway and multicarrier uplink systems.

Key Features:

Frequency Range:
Rx: 19.2–21.2 GHz
Tx: 29.0–31.0 GHz
Insertion Loss:
Rx: ≤0.50 dB max (≤0.35 dB from 20.2–21.2 GHz)
Tx: ≤0.4 dB max
VSWR: ≤1.25:1
Isolation:
Tx/Rx & Rx/Tx: ≥85 dB
Tx/Tx & Rx/Rx: ≥20 dB
Axial Ratio:
Rx: ≤0.50–1.21 dB
Tx: ≤0.50–0.75 dB
Power Handling: 500 W per Tx port (1 kW total)
Pressurization: Sealed to 5.0 PSIG
Finish: Chem-filmed interior/flanges; white-painted exterior