USB to RS422/485 Converter, RJ11 Buy 4K x 2K HDMI Switch The tester is passively powered

The tester is passively powered and is portable to take with you on job sites

it is not only a Digital tone & Probe but also a cable tester

and available in multiple colors

* 26AWG pure copper stranded wire

AV163 or any Outdoor TV Antenna with 1" diameter mounting

USB to RS422/485 Converter, RJ11 Buy 4K x 2K HDMI Switch The tester is passively poweredThis USB to RS422 485 converter provides an extra connection for RS 422 485 devices via USB port from PC or Mac. It is compact, portable, and perfect for users who are always working with serial devices like PDA, Digital Camera, Modem, Cellular Phone, ISDN Terminal Adaptor, and etc.* Fully Compliant with USB specification 1. 1 and 2. 0Provides two (2) RJ 11 Female Phone Jack for Device Connection* Data Transfers Rate 300 to 3M bps* Supports Remote