SMA Kit, Set of 12 SMA Connectors Coaxial Conversion Connector SMA Male to Female WIFI fpv Conversion Adapter RC Drone Antenna Compatible Conversion Connector *I received this from a friend, so I don't know the details, but I believe this is the product based on my search. I would appreciate it if those who know could consider it. ◡̈ Please check the details in the photos* Material: Gold-plated brass, made of pure brass (non-alloy) with excellent connectivity, enabling high-speed signal transmission. Applications: WIFI antenna / FPV drone / extension cable / all other devices with SMA and reverse polarity SMA connectors, ideal for custom drones. ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ Thank you for viewing*・+ #tsunasukeshop Instant purchase is welcome◎ We have many items for sale, including miscellaneous goods, home appliances, smartphone cases, cables, and DIY supplies* 45-479912 ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ I didn't see any noticeable stains on the product, but there may be oversights. Please check the images. We will ship with simple packaging as much as possible*・+☻