[IC]：CC3220R

[Frequency]：2.4GHz

[Power]：18dBm

[Wi-Fi]：802.11 b/g/n

[Size]：27*19mm

[Introduction]：E103-W03 is an ultra-low power serial port to Wi-Fi module, small size SMD package, PCB antenna, working in the 2.4~2.484GHz frequency band. The module can use the serial port to send and receive data, which reduces the threshold for wireless applications.