Check the listing for details. Astatic PDC1 302-01637 100 Watt Power & SWR Compact 2-function test meter NEW. Condition: New. Listed at 24.99 USD. We are selling Brand New - Sealed - Never Opened - Complete: Astatic PDC1 (302-01637) 100 Watt Power & SWR Meter For over 60-years Astatic has been the trusted source for CB microphones, cables and antennas. Continually tested to ensure the very best in quality, it is the preferred brand among truck drivers and CB enthusiasts. Astatic products deliver durability and high quality, noise-canceling technology developed from years of proven experience in over the road communication. This compact 2-function test meter indicates the condition of a 50-Ohm antenna and coax cable used for CB operations. Tests for SWR or relative power. Model PDC-1 test instrument is a compact 3-function test meter designed to indicate the condition of any 52 ohm antenna and antenna coax used for CB radio operation by testing for Standing Wave Ratio (SWR), relative RF power, or field strength. Tuning of transmitters can also be accomplished when using this meter as a field strength meter. Also, comparing antennas can be accomplished with this meter. It is designed to be used for base stations or mobile operations and can be permanently installed in the antenna system without any measurable loss of power. General Features: Compact 2-function test meterIndicates the condition of a 50 Ohm antenna and coax used for CB operationTests for SWR or relative powerAstatic compact SWR meter