TP-LINK TL-ANT200PT

Quick overview from the supplier:

Antenna Extension Cable TP-LINK"TL-ANT200PT",0.5M LMR200 N-Type Male to RP-SMA Female Pigtail Cable Compliant with 2.4GHz 802.11 n/g/b & 5GHz 802.11 n/a Weatherproof cable-designed for outdoor exposure Manufactured using 0.5m Low Loss LMR-200 cable that provides better performance in 5GHz & 2.4GHz applications N-Type Male to RP-SMA Female connector, applicable in most of connections between wireless AP/Router and antenna