CPI Diplexer 112900-13

CPI 112900-13 Ka-Band 4-Port Diplexer | 19.7–21.2 GHz RX / 29.5–31.0 GHz TX | Circular Polarized

The CPI 112900-13 is a high-isolation 4-port Ka-band diplexer designed for circular polarized SATCOM systems. Supporting dual transmit and receive paths, it ensures robust frequency separation with ≥90 dB TX/RX isolation and low insertion loss. Each TX port handles up to 500 W CW, making it ideal for high-power gateways and multi-channel applications.

Key Features:

Frequency Bands:
   • RX: 19.7–21.2 GHz
   • TX: 29.5–31.0 GHz

Ports: 4 (2 RX, 2 TX)

Insertion Loss:
   • RX: ≤0.25 dB
   • TX: ≤0.20 dB

VSWR: ≤1.2:1 (RX & TX)

Isolation:
   • TX/RX: ≥90 dB
   • RX/TX: ≥90 dB
   • TX/TX & RX/RX: ≥20 dB

Power Handling: 500 W CW per TX port

Polarization: Circular

Pressurization: Tested to 5 PSIG

Finish:
   • TX/RX Ports: Chromate conversion coated
   • Common Port: Zinc-nickel plated (AMS 2417G, Type II, Class 2)
   • Exterior: White paint (FED-STD-595, Color No. 17875)