Features: High output: 2W RF amplifier, enhancing WIFI signal coverage and penetration capability. Wide frequency band support: Supports 2.4GHz to 2.5GHz frequency bands, covering common WIFI usage frequency bands. Strong signal enhancement: Provides stable and powerful signal amplification effects, improving WiFi connection quality. Stable performances: High quality component manufacturing ensures stable performances and long time use. Easy Installation: Easy to install, suitable for various WIFI devices, and can be used without complex setting. Multifunctional design: Not only can it be used to amplifying WIFI, but it can also be used for applications. Specifications: Material: PCB+Metal Size: approx. 5x5x2.50cm/1.96x1.96x0.98inch Model Number: SZM2166 Input and output impedance: 50ohms Power supply: 7-24V (2A) Small signal: (30dB), large signal (20dB) Output: up to 33dBm (2W) Connectors: SMA Package Includes: 1Pc 2.4GHz~2.5GHz 2W RF Power Amplifier note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.