6m Length Extension Cable with N-Male to N-Female, Should be used in conjunction with 0.5m Length Pigtail supplied with the following suitable Antenna's: ANT24-0500, ANT24-0800, ANT24-0801, ANT24-1400, ANT24-1801, 1CO-24002 & 1GP-24002 Not suitable to be used with ANT24-0401 & ANT24-1200