CPI Diplexer 112900-26

CPI 112900-26 Ka-Band 4-Port Diplexer | 19.7–21.2 GHz RX / 29.5–31.0 GHz TX | Circular Polarized

The CPI 112900-26 is a high-performance 4-port Ka-band diplexer designed for circular polarized SATCOM systems. With exceptional ≥90 dB TX/RX isolation and support for up to 1.0 kW CW per TX port, it’s ideal for demanding gateway and multichannel applications. Engineered for high power and low loss, it features durable brass flange interfaces and a rugged black exterior finish.

Key Features:

Frequency Bands:
• RX: 19.7–21.2 GHz
• TX: 29.5–31.0 GHz
Polarization: Circular
Insertion Loss:
• RX: ≤0.25 dB
• TX: ≤0.20 dB
VSWR: ≤1.2:1 (both RX and TX)
Isolation:
• TX/RX: ≥90 dB
• RX/TX: ≥90 dB
• TX/TX & RX/RX: ≥20 dB
Power Handling: 1.0 kW CW per TX port
Pressurization: Tested to 5 PSIG
Finish:
• Flange Faces: Brass
• Exterior: Black paint (Color No. 37038 per FED-STD-595)