Feature:1. [EXCELLENT SYNTHESIZER] The MAX2870 module adopts high performance frequency synthesizer that can work in integer and fractional N modes.2. [FREQUENCY RANGE] The frequency range of the RF signal source module is 23.56000Mhz, with 2 modes of point frequency and sweep frequency.3. [HIGH PERFORMANCE] This module can maintain good phase noise and spurious indicators, with stable signal and less interference.4. [SIMPLE CONTROL] Powered by USB 5V, support button to adjust frequency output or serial device (not included) control.5. [MULTIPLE USAGES] Widely used in radio infrastructure, test and measurement, satellite communications, clock generators and other fields.Specification:Item Type: RF Signal Source ModuleModel: MAX2870Material: PCBFrequency Output Range: 23.5-6000Mhz. 2 Modes: Point frequency and sweep frequencyMinimum Control Accuracy: 0.001MhzAmplitude Control: -4dB-1dB +2dB +5dBPower Supply Mode: USB 5V power supplyControl Method: 1. Adjust the frequency output through the 5 buttons on the board.2. Serial Port Control Mode 1: Onboard USB to serial port chip, computer can directly control, no control software is provided.3. Serial Port Control Mode 2: Through the board serial port interface, it is controlled by other hardware devices..Package List:1 x RF Signal Source ModuleNote:Do not overload to use.