CPI Diplexer 114480-18

CPI 114480-18 Ka-Band 4-Port Diplexer | Circular Polarized | 19.2–21.2 / 29.0–31.0 GHz

The CPI 114480-18 is a high-isolation Ka-band 4-port diplexer engineered for circular polarized satellite systems. It supports Rx frequencies from 19.2–21.2 GHz and Tx from 29.0–31.0 GHz, offering excellent channel separation with ≥85 dB isolation and low insertion loss. With strong axial ratio control and 500 W power handling per Tx port, it is ideal for advanced gateway and multi-carrier SATCOM installations.

Key Features:

Frequency Range:
   Rx: 19.2–21.2 GHz
   Tx: 29.0–31.0 GHz

Insertion Loss:
   Rx: ≤0.50 dB max @ 19.2–20.2 GHz
   ≤0.45 dB max @ 20.2–21.2 GHz
   Tx: ≤0.40 dB max

VSWR: ≤1.25:1

Isolation:
   Tx/Rx & Rx/Tx: ≥85 dB
   Tx/Tx & Rx/Rx: ≥20 dB

Axial Ratio:
   Rx: ≤1.21 to 0.50 dB across band
   Tx: ≤0.75 to 0.50 dB

Power Handling: 500 W per Tx port (1 kW total)

Pressurization: Sealed to 5.0 PSIG

Finish: Aluminum alloy flanges; white exterior coating