WD-KLXX is an industrial 868 / 915 MHz sub-GHz radio low-power, two-way radio module. It supports IEEE 802.15.4g / Wi-SUN, highly integrated wireless and MCU, suitable for sensing applications in IoT networks. The WD-KLXX module designs such as DI / DO / ADC / UART / SPI / I2C pin provides basic applications and it is a module designed based on the Vertexcom VC7300 series chips. Firmware can be customized for customers to integrate more sensors and IoT network products to apply on the module.