The DL-1A dummy load can handle a full 20 watts for 30 seconds maximum and 10W 1 minute ON, 1 minute OFF. Its SWR is less than 1.3:1 through 200 MHz. It includes an integral RF detector for use with a voltmeter, allowing you to calculate transmit power.

• Power Rating: 20 watts maximum (30 seconds). 10W 1 minute ON, 1 minute OFF
• Bandwidth: Input VSWR less than 1.1, 0 to 30 MHz,  1.2, 0 to 144 MHz, 1.3, 0 to 225 MHz
• Power Measurement Accuracy: 10%, typical,
• Size: 80 x 50 x 22mm
• Input plug: BNC.
• Outputs: GND, +Vout, RF to oscilloscope etc. 
• Output sockets: 2mm "banana" 
• Size: 80 x 50 x 22 mm.
• All components Kit. Box, PCB and connectors included.

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