General description The 4G LTE Antenna is designed to enhance the signal quality for 3G and 4G mobile broadband modem routers. It features a dual SMA connector and offers a gain of 10-12 dBi, making it suitable for both indoor and outdoor use. Technical specifications Gain: 10-12 dBi Size: 23 x 6.5 x 6.5 cm Material: Metal + Plastic Color: White Measurement error: +/- 1-3 cm Compatibility and accessories Compatible with 4G mobile broadband modem routers Requires SMA interface Corresponds to the frequency band of the device Installation Install the antenna vertically for optimal performance Avoid installation on metal surfaces Usage Can be used indoors or outdoors to enhance and maintain good signal quality Other information Package Contents: 1 x 4G Antenna, 2 x Cable Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.