Introducing our top-of-the-line "Outdoor Waterproof GSM 3G Puck External Antenna with SMA Male Connector". As a proud factory, we ensure this innovative antenna meets the highest industry standards. With its durable and waterproof design, this antenna is perfect for outdoor use to boost GSM and 3G signals. The SMA male connector guarantees reliable connectivity, while the user-friendly installation process ensures hassle-free setup. Experience superior signal strength and extended coverage with our factory-made Outdoor Waterproof GSM 3G Puck External Antenna!