Features 1、This is a 433MHz receiver front-end amplifier with ultra-low noise figure and high RF gain 2、The noise factor is as low and 0.55dB, which is quite small 3、It has a working frequency of 380---470MHz, 22dB gain, maximum output can be 100mV 4、The SMA female connector is great for connecting to most devices 5、It is very suitable for amateur radio receiver front-end amplification use Specification Features: This is a 433MHz receiver front-end amplifier with ultra-low noise figure and high RF gain. The noise factor is as low and 0.55dB, which is quite small. It has a working frequency of 380---470MHz, 22dB gain, maximum output can be 100mV. The SMA female connector is great for connecting to most devices. It is very suitable for amateur radio receiver front-end amplification use. Specifications: Working Voltage: 3---5V Working Current: 50---100mA Working Frequency: 380---470MHz Amplification Gain: 22dB Max. Output: 100mW Noise Factor: 0.55dB Connector: SMA-female Package Includes: 1 x Amplifier Package List