MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
The tuner matches a 7m; 23 ft long-wire antenna across 1.6 - 30 mhz; full automatic tuning: push the (tune) switch on the transceiver, and the at-140 adjusts immediately to swr of any frequency on any hf marine band; weather resistance: the at-140 is housed in durable, completely weather resistant asa case with a rubber gasket