ITEM NAME:2pcs RF Coaxial Coax Adapter RP-SMA Male to RP-TNC Female Connector #JT1 Product Description Description: Features: Applicable to many projects involved in reversed polarity TNC to SMA barrel type connector Widely used in antenna, radio, wi-fi, telecommunication, coaxial cable, wireless local area network (LAN) equipment, closed circuit television, applications and digital microwave communication system Specifications: Category: connector, adapter Included: 2 x RF Coaxial Connector.Applicable to many projects involved in reversed polarity TNC to SMA barrel type connector. Included: 2 x RF Coaxial Connector. Category: connector, adapter. If item is defective after 3 months, you can still send it back to us.