2 dBi GSM rubber duck antenna with SMA male RA: A compact GSM rubber duck antenna offering 2 dBi gain, designed to improve wireless signal reception. It features an SMA male right-angle (RA) connector for easy installation in space-constrained setups. Ideal for GSM modules, wireless routers, and communication devices, this antenna provides reliable performance, durable construction, and flexible positioning to enhance signal stability in both indoor and outdoor applications.