This product is a GSM direct-connect external antenna, featuring a G14 black housing with a built-in copper tube + spring radiating element, with a total length of 80mm for a compact and neat structure. The combination of copper tube and spring design delivers sensitive signal transmission and reception, good impedance matching, low signal loss, and stable and reliable receiving performance. The black housing is abrasion-resistant and anti-aging, offering excellent protection suitable for various indoor and outdoor operating conditions.

The antenna comes standard with an SMA male connector with male pin. The connector features precision machining, smooth thread engagement, and secure locking that resists loosening and false connections over long-term use. The direct-connect structure requires no additional adapter accessories, making installation simple and plug-and-play. This antenna is primarily compatible with GSM communication modules, industrial terminals, and wireless data transmission devices for enhancing mobile communication signal transmission and reception capability.