Data Sheet

V1.0.2
Copyright ©2020 Wireless-Tag Technology Co., Ltd. All Rights Reserved. http://www.wireless-tag.com 2
2 Features
 SMD-22 package

On-board PCB antenna
 Operating voltage: 3.3V

Operating ambient temperature: -20-85°C
 ESP32-C3 chip embedded, 32-bit RISC-V single-core microprocessor, up to 160MHz

SRAM 400KB
 RTC SRAM 8KB

ROM 384KB
 Embedded Flash 4MB

System
WIFI
 IEEE 802.11 b/g/n protocol

1T1R mode with data rate up to 150 Mbps
 WIFI @2.4 GHz, support for WEP/WPA-PSK/WPA2-PSK security mode

Frame aggregation (TX/RX A-MPDU, RX A-MSDU)
BLE
 Bluetooth Low Energy 5.0(Bluetooth LE): Bluetooth 5, Bluetooth mesh

Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
 Advertising Extensions

Multiple Advertisement Sets
 Channel Selection Algorithm #2
Hardware

Support for GPIO, SPI, UART, I2C, I2S, infrared transceiver, LED PWM controller,
USB JTAG interface, general DMA controller, TWAITM controller (compatible with
ISO11898-1), temperature sensor, SAR ADC
 Support for STA/AP/STA+AP mode

Support for remote OTA