Data Sheet

Wireless-Tag Technology Co., Ltd. V1.0.0
Copyright ©2020 Wireless-Tag Technology Co., Ltd. All Rights Reserved. http://www.wireless-tag.com
1
1 Module Overview
1.1 Features
MCU

ESP32-C3 chip embedded, 32-bit RISC-V single-core microprocessor, up to 160MHz
■ SRAM 400KB（16 KB for cache)
■ RTC SRAM 8KB
■ ROM 384KB
WIFI
 IEEE 802.11b/g/n protocol

Center frequency range of operating channel: 2400~2483.5 MHz
 Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band

Supports 1T1R mode with data rate up to 150 Mbps
 Wi-Fi Multimedia (WMM)

Frame aggregation (TX/RX A-MPDU, TX/RX A-MSDU)
 Immediate Block ACK

Fragmentation and defragmentation
 Transmission opportunity (TXOP)

Automatic Beacon monitoring (hardware TSF)
 4 x virtual Wi-Fi interfaces

Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station +
SoftAP mode, and promiscuous mode

Antenna diversity
 802.11 mc FTM
BLE
 Bluetoooth LE: Bluetooth5, Bluetooth Mesh

Speed: 125Kbps, 500Kbps, 1Mbps, 2Mbps
 Advertising Extension

Multiple Advertisement Sets
 Channel Selection Algorithm #2
Hardware
 Interfaces: GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller,
general DMA controller, TWAI® controller (compatible with ISO11898-1), USB
Serial/JTAG controller, temperature sensor, SAR ADC