Comet CAT-273 VHF/UHF Manual Antenna Tuner & SWR Power Meter

Comet CAT-273 VHF/UHF Antenna Tuner & SWR Power Meter

The Comet CAT 273 combines manual antenna matching with a cross-needle SWR and power meter for the 2m and 70cm amateur bands. Independent VHF and UHF inputs and outputs allow separate antenna systems to be connected.

Key Features

• Simultaneous forward power, reflected power and SWR display.
• Separate tuning controls for each band.
• Average and peak envelope power (AVG/PEP) selection.
• Illuminated meter with external DC supply.

Technical Specifications

• Model: CAT-273
• Tuning frequency: 144–146 MHz / 430–440 MHz
• Rated power: 250W FM maximum
• Meter ranges: 60W / 300W; the 300W scale is not the power rating
• Input impedance: 50 ohms
• Matching range: 15–200 ohms
• Minimum power for SWR measurement: 6W
• Connections: Four SO239 sockets: VHF input/output and UHF input/output
• Illumination supply: 11–15V DC, approximately 250mA, centre positive
• Dimensions (W × H × D): 218 × 93 × 120mm; 218 × 98 × 152mm including projections
• Weight: Approximately 1.4kg

Tuning

Use 6–10W while adjusting the tuner, following Comet’s operating instructions.