Cavity Duplexer Systems

High-isolation RF duplexing for VHF, UHF and Airband applications. Each unit ships with a per-unit factory sweep report.

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Select Your Duplexer

1 Select Band

2 Select Frequency

3 Select Dimensions

4 Select Cavity Option

5 Choose a Model

VHF-DP-6-6 VHF-DP-6-5 VHF-DP-6-6-1 VHF-DP-6-8 AIRB-DP-6-6 VHF-1-DP-4-8 UHF-DP-6-5 UHF-DP-6-5-1

Pick a band to begin.

Your Selection

UHF ·380–470 MHz

Duplexers UHF-DP-6-5

5-Inch 6-Cavity UHF Duplexer (BPBR)

380-470 MHz, 250 W, > 95 dB suppression, 1.5 dB IL @ 5 MHz separation. 4 BR + 2 BP cavities.

Frequency Range: 380–470 MHz
Power Handling: Up to 250 W
Isolation: > 95 dB
Insertion Loss: 1.5 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 9.00 kg
Dimensions (H × W × D): 380 × 482 × 266 mm
Cavity Count: 6
Cavity Topology: 4 BR + 2 BP
Cavity Diameter: 5"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF ·136–175 MHz

Duplexers VHF-DP-6-6

6-Inch 6-Cavity VHF Duplexer (BPBR)

136-175 MHz, 300 W, > 85 dB Tx noise suppression, 1.8 dB IL @ 500 kHz separation. 4 BR + 2 BP cavities.

Frequency Range: 136–175 MHz
Power Handling: Up to 300 W
Isolation: > 85 dB
Insertion Loss: 1.8 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 30.00 kg
Dimensions (H × W × D): 850 × 511 × 411 mm
Cavity Count: 6
Cavity Topology: 4 BR + 2 BP
Cavity Diameter: 6"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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UHF ·380–470 MHz

Duplexers UHF-DP-6-5-1

5-Inch 6-Cavity UHF Duplexer (BR)

380-470 MHz, 300 W, > 60 dB @ 4 MHz (10 MHz window), 1.5 dB IL @ 4 MHz. All band-reject.

Frequency Range: 380–470 MHz
Power Handling: Up to 300 W
Isolation: > 60 dB
Insertion Loss: 1.5 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 9.00 kg
Dimensions (H × W × D): 380 × 482 × 266 mm
Cavity Count: 6
Cavity Topology: 6 BR
Cavity Diameter: 5"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF ·136–175 MHz

Duplexers VHF-DP-6-5

5-Inch 6-Cavity VHF Duplexer (BPBR)

136-175 MHz, 250 W, > 80 dB Tx noise suppression, 1.8 dB IL @ 500 kHz separation. 4 BR + 2 BP cavities.

Frequency Range: 136–175 MHz
Power Handling: Up to 250 W
Isolation: > 80 dB
Insertion Loss: 1.8 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 18.00 kg
Dimensions (H × W × D): 850 × 445 × 275 mm
Cavity Count: 6
Cavity Topology: 4 BR + 2 BP
Cavity Diameter: 5"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF ·136–175 MHz

Duplexers VHF-DP-6-6-1

6-Inch 6-Cavity VHF Duplexer (BR)

136-175 MHz, 350 W, 60 dB ±1 MHz @ 500 kHz separation, 2.0 dB IL @ 1 MHz. All-band-reject 6 cavity.

Frequency Range: 136–175 MHz
Power Handling: Up to 350 W
Isolation: > 60 dB
Insertion Loss: 2.0 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 30.00 kg
Dimensions (H × W × D): 850 × 511 × 411 mm
Cavity Count: 6
Cavity Topology: 6 BR
Cavity Diameter: 6"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF ·136–175 MHz

Duplexers VHF-DP-6-8

8-Inch 6-Cavity VHF Duplexer (BPBR)

136-175 MHz, 350 W, > 85 dB suppression, 1.8 dB IL @ 500 kHz separation. Premium 8-inch chassis.

Frequency Range: 136–175 MHz
Power Handling: Up to 350 W
Isolation: > 85 dB
Insertion Loss: 1.8 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 38.00 kg
Dimensions (H × W × D): 850 × 422 × 672 mm
Cavity Count: 6
Cavity Topology: 4 BR + 2 BP
Cavity Diameter: 8"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF ·112–137 MHz

Duplexers AIRB-DP-6-6

Airband 6-Inch 6-Cavity Duplexer (BPBR)

112-137 MHz, 300 W, > 85 dB suppression, 1.8 dB IL @ 500 kHz separation. 4 BR + 2 BP cavities.

Frequency Range: 112–137 MHz
Power Handling: Up to 300 W
Isolation: > 85 dB
Insertion Loss: 1.8 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 30.00 kg
Dimensions (H × W × D): 1050 × 511 × 411 mm
Cavity Count: 6
Cavity Topology: 4 BR + 2 BP
Cavity Diameter: 6"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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VHF

Duplexers VHF-1-DP-4-8

Low-VHF 8-Inch 4-Cavity Duplexer (BR)

30-40 MHz ± 2.5 MHz, 1.5 dB IL @ 350 W (3.0 dB IL @ 150 W), > 90 dB suppression. 4 BR cavities.

Frequency Range: 30–40 MHz
Power Handling: Up to 350 W
Isolation: > 90 dB
Insertion Loss: 1.5 dB
VSWR: ≤ 1.50:1
Impedance: 50 Ω
Connector: N-Female
Weight: 55.00 kg
Dimensions (H × W × D): 2460 × 482 × 450 mm
Cavity Count: 4
Cavity Topology: 4 BR
Cavity Diameter: 8"
Frequency Stability: 0.8 ppm/°C
Operating Temp.: -30°C to +60°C
Mounting: 19-inch rack

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