DC Noise Filter (Commercial Grade) reduces alternator whine in transmit and receive operation in many 2-way radios. The current capacity is 20 Amps maximum and 16 amps continuous service. This cable includes OEM-T in-line connectors. Additional Model #'s 221-LF-1-OEM 221-LF1OEM LF-1-OEM LF1OEM UPC: 840128901724