Amateur Radio
HAM Radio Accessories
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Radio Shack SWR/Power Meter Cat. No. 21-524
This Radio Shack Standing Wave Ratio and Power Meter Cat. No. 21-524 helps to tune your CB or
amateur radio system for best performance. CB and amateur radio systems work best when
the antenna system's impedance matches the transmitter's output impedance as closely as possible.
The standing wave ratio (SWR) function helps you adjust your antenna to the precise length for
maximum transmitted power. The power meter function measures either the peak envelope power (PEP)
or average power from your transmitter.
This meter's output and input impedance is 50 Ohms.
Specifications:
Frequency Range: ..............................3 MHz - 30 MHz
Input RF Power: ...............................1 Watt - 2000 Watts
Impedance: ....................................50 Ohms
Minimum Input Power for Calibration: ..........1 Watt
Power Meter Accuracy at 50 Ohms Load Impedance;
5W: ..................................+- 0.5W
50W: ..................................+- 5W
500W: ..................................+- 50W
SWR at 50 Ohms Load Impedance: .................1.1
SWR at 25 Ohms Load Impedance: .................2.0
SWR at 100 Ohms Load Impedance: ................2.0
Dimensions:
2 1/4 inches x 6 7/16 inches x 3 15/16 inches (less connector length)
This SWR/Power Meter has been lightly used, always taken care of while using and is in excellent working order.
This Radio Shack SWR/Power Meter No. 21-524 has done a fabulous job checking and or adjusting the antennas on radios
and checking the output power of the radios.
Price: $30.00
Shipping and Handling: $13.45 Within the Continental United States
NOTE:
Shipping and Handling:
Listed prices are for the Continental United States ONLY.
"FREE" shipping in the Continental United States ONLY.
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