Feature●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.Description 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.