5M-4GHZ VCA Voltage Controlled Amplifier Low Noise Amplifier 0-30DB USB Control Receiver Preamplifier Application Scenarios: 1. Receiver system FM radio receiving, radar receiving, etc.Electromagnetic compatibility receiving system; 4. Index Parameters: - Power supply: TYPE-C cable - Module frequency range: 5M-4GHz - Noise figure: NF. Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days. The item "5M-4GHZ VCA Voltage Controlled Amplifier 0-30DB USB Control Receiver Preamp" is in sale since Wednesday, January 27, 2021. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "pincei" and is located in Shenzhen. This item can be shipped worldwide.