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Antennas 2 x WiFi antennas (swivel
Lock ring included for stability and support
Distance Accuracy : +/- 3mm
excellent motion tolerance and improved scanning performance on poor-quality or damaged barcodes
Elitebook 840 G1 Notebook PC
Speaker Polarity Tester with Tone Generator Headset Accessories Antennas 2 x WiFi antennas1 Year Warranty Ideal for troubleshooting and testing audio system and installation. It offers an output range of 0 8 volts at a variable 13Hz to 10kHz tone for setting system levels, checking speaker cross over points, verifying connections and general trouble shooting. It features a 9V speaker popper for visually testing speaker connection polarity. Connections can be made via included RCA or alligator clips. It also features an auto shutoff for