Mataji Electronics

A 3dBi GSM antenna, often found with a magnetic or sticker mount, is designed to enhance GSM signal reception for devices like modems, routers, and mobile phones. The "3dBi" refers to the antenna's gain, indicating how effectively it focuses and transmits radio waves, with 3 decibels isotropic (dBi) being a moderate level suitable for many applications, according to electronics and telecommunications resources

A GSM antenna with 2 dBi gain, a right-angle (R/A) "rubber duck" style, and an SMA Male connector is a common component for wireless communication systems like modems and routers.

A "GSM antenna stick with magnet base" is a popular component for improving signal strength on devices such as GSM modules, routers, and other IoT equipment. The "stick" portion refers to the vertical antenna element, while the magnetic base allows for easy, non-permanent mounting on any metal surface.