Microwave Circuits D0409421 connectorized combline RF diplexer.
Identification:
• Manufacturer: Microwave Circuits, Inc.
• Part number: D0409421
• Serial number: 235471
• Date code: DC0711
• Previous equipment marking: DPF3
• Made in USA
Manufacturer-listed technical specifications:
• Channel 1 passbands: 400–915 MHz and 1000–4000 MHz
• Channel 2 passband: 925–960 MHz
• Impedance: 50 Ohm
• Continuous RF power: 100 W
• Peak RF power: 600 W
• Typical insertion loss: ≤4 dB
• Typical VSWR: 2:1
• Channel 2 VSWR: 1.5:1
• Rejection: ≥80 dBc over the specified rejection bands
• SMA RF connections
• Operating temperature: -20°C to +60°C
• Manufacturer-listed dimensions: 10.8 × 3.75 × 2 inches
• White epoxy-painted finish
The assembly has three labeled RF paths: TX, RX and COMMON. The short coaxial jumper sections shown in the photographs are attached to the unit and are included.
This unit has not been electrically tested by us. The listed specifications are the manufacturer’s specifications for the D0409421 model and should not be interpreted as verification of this individual unit’s performance.
Only the pictured diplexer is included. No additional cables, adapters, test reports or documentation are supplied.




