23.5-6000 MHz Signal Source Module LTDZ MAX2870 STM32 Signal Source Board Frequency and Modes Accessory USB 5V Powered Features: Made of fine quality material, has a long service life. Frequency output range is 23.5-6000MHz. There are two modes of frequency and sweep. USB 5V power supply. More professional, more stable and better performance. Specifications: Material: PCB Color: green Frequency output range: 23.5-6000MHz Two modes: frequency and sweep Minimum control accuracy: 0.001MHz Amplitude control: -4dB -1dB +2dB +5dB Power supply mode: USB 5V power supply Size: 80 * 53 * 8mm / 3.1 * 2.1 * 0.3in Package weight: 100g / 3.5ounce Control method: 1. Adjust the frequency output through 5 on-board buttons. 2. Serial port control mode 1: onboard USB to serial port chip, the computer can be directly controlled, and no control software is provided. 3. Serial port control mode 2: it is controlled by other hardware devices through the serial port interface of the board. (provide serial control communication protocol) Packing List: 1 * LTDZ MAX2870 STM32 23.5-6000MHz Signal Source 1 * USB Cable 1 * Serial Cable