Chip type：BK7238 Chipfiring power：+19 dBm
operating frequency：2412 ~ 2484 MHzprotocols：IEEE 802.11 b/g/n
Module Size：22(L) x 15.2 (W) x 2.2(H) mm
hardware interface：GDMA、SPI、RTC、PWM、UART、ADC、TRNG、I2C
