Data Sheet

1 PRODUCT OVERVIEW

1 Product overview

WBR2L is a low-power embedded WiFi+BLE module that Tuya has developed. It

consists of a highly integrated wireless RF chip (RTL8720CF), with an embedded

WiFi network protocol stack and varied library functions. With the maximum CPU

clock rate of 100MHz, WBR2L also contains a low-power KM4 microcontroller unit

(MCU), a WLAN MAC, a 1T1R WLAN module, 256-KB static random-access memory

(SRAM), 2-MB ﬂash memory, and extensive peripherals.

WBR2L is an RTOS platform that integrates all function libraries of the WiFi MAC and

TCP/IP protocols. You can develop embedded WiFi products as required.

1.1 Features

• Embedded low-power KM4 MCU, which can also function as an application pro-

cessor

• Main clock rate: 100 MHz

• Working voltage: 3.0 to 3.6 V

• Peripherals: 5 GPIOs

• WiFi/BT connectivity

1 - 802.11 B/G/N20

2 - Channels 1 to 14 at 2.4 Ghz ( channels 1 to 11 for US/CA and

channe

3 ls 1 to 13 for EU/CN)

4 - Support WEP /WPA / WPA2/WPA2 PSK （ AES ） security modes

5 - Support BLE ( Bluetooth Low Energy) 4.2

6 - Up to +20 dBm output power in 802.11b mode

– Support SmartConﬁg functions for Android and iOS devices

∗ Onboard PCB antenna

∗ Passed CE and FCC certiﬁcation

∗ Working temperature: -20 to 105℃

1.2 Applications

• Intelligent building

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