E73-2G4M04S1D

The E73-2G4M04S1D is a compact, low-power Bluetooth module. The Bluetooth module comes with a high-performance PCB onboard antenna and an IPEX antenna connector. It uses the original nRF51822 RF chip from Nordic Semiconductor, supporting Bluetooth 4.2 protocol. The chip features a high-performance ARM Cortex-M0 core and offers a rich set of peripheral resources, including UART, I2C, SPI, ADC, WDT, RTC, and more. The module exposes all the I/O pins of the nRF51822, providing users with flexible development options.