ADF4351 35MHz-4.4GHz Sweep frequency RF signal source frequency synthesizer +PC. 1, ADF4531 module is a senior engineer to build, fully refer to the official version of the design; PCB appearance is beautiful, layout and design is reasonable, materials are stressful. Output frequency range: 138M-4.4G (ADF4350), 35M-4.4G (ADF4351). 3, PC software control: point frequency or sweep frequency output, you can control the RF output switch and control the output power. Power supply mode: directly use USB power supply or power supply through USB line DC5V.6, refer to the design of the official module. The module has a save function to store the set parameters and the last function. Please leave note for your special request e. Please do NOT leave negative or neutral feedback without any contact. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "goldenmonkey2017-4" and is located in this country: CN. This item can be shipped worldwide.