# Firmware Release



Release Note:

  1. xAT 1.0 initial version
  2. Support Raw Data transmission mode, AT command mode and automatic switching mode.
  3. The Raw Data mode provides length based packaging and timeout based packaging. The timeout based packaging provides precise time slot control.
  4. The configuration file can be used to modify the default operating parameters of the firmware, providing the development free firmware customization function.
  5. It supports BLE peripheral and uses the Transparent service to realize the serial data transmission function.
  6. The newly designed AT instruction framework currently supports up to 25 instructions. Support comprehensive system control, Bluetooth scanning, broadcasting and data receiving and sending.