1. The amplifier is a 5-6000MHz (20dB) amplifier, which has the characteristics of large dynamic range and wide working frequency range, and is suitable for fixed gain amplification of various radio frequency signals. 2. This amplifier has the advantages of wide frequency range, stable gain, small noise figure, large dynamic range (+20dBm@1dBP), etc. It is especially suitable for various radio frequency transmitting circuits to increase the communication distance! 3. Widely used in shortwave, FM broadcasting, remote control receivers, cable TV signal amplifiers, Beidou, GPS satellite navigation, 2.4G Bluetooth, WIFI receiver terminals and other amplification places! 4. The amplifier has a shielded shell with anti-reverse protection diodes 5. Operating frequency: 5--6000MHz, maximum output power: +21dBm (100mW) @1dB compression point Technical Parameters: Working frequency: 5--6000MHz Amplifier gain: 20dB Maximum output power: +21dBm (100mW) @1dB compression point Working current: 85mA (5V) Power supply voltage: 5VDC System impedance: 50 ohms Weight: 20g Colour: Green Material: PCB+metal Size: 34x25mm Package Contents: 4 x Power Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.