u2022 Built-in ESP32-C3FH4 or ESP32-C3FN4 chip, RISC-V 32-bit single-core microprocessor, the maximum frequency is 160MHz

u2022 4MB embedded flash

u2022 384KBROM

u2022 400KB SRAM (of which 16KB is dedicated to cache)

u2022 8KBRTCSRAM

u2022 Support IEEE802.11b/g/n protocol

u2022 Working channel center frequency range: 2412~2484MHz

u2022 Supports 20MHz and 40MHz bandwidth in the 2.4GHz frequency band

u2022 Support 1T1R mode, data rate up to 150Mbps

u2022 Wireless Multimedia (WMM)

u2022 Frame aggregation (TX/RXA-MPDU, TX/RXA-MSDU)

u2022 Immediate Block ACK (ImmediateBlockACK)

u2022 Fragmentation and reorganization (Fragmentationanddefragmentation)

u2022 Transmission opportunity (Transmissionopportunity, TXOP)

u2022 Beacon automatic monitoring (hardware TSF)

u2022 4 u00d7 virtual Wi-Fi interface

u2022 Support infrastructure network (InfrastructureBSS) Station mode, SoftAP mode, Station+SoftAP mode and promiscuous mode at the same time. Please note that when the ESP32-C3 series scans in Station mode, the SoftAP channel will change at the same time

u2022 Antenna diversity

u2022 802.11mcFTM

u2022 Bluetooth Low Energy (BluetoothLE): Bluetooth5, Bluetoothmesh

u2022 Rate support 125Kbps, 500Kbps, 1Mbps, 2Mbps

u2022 Broadcast Extensions (AdvertisingExtensions)

u2022 Multiple Advertisement (MultipleAdvertisementSets)

u2022 Channel Selection (ChannelSelectionAlgorithm#2)

u2022 Module interface: GPIO, SPI, UART, I2C, I2S, infrared remote control (remotecontrolperipheral), LEDPWM controller, general DMA controller, TWAIu00ae controller (compatible with ISO11898-1), USB serial port/JTAG controller, temperature sensor , SAR A/D converter

u2022 40MHz integrated crystal oscillator

u2022 Working environment temperature: u201385°C version module: u201340~85°Cu2013105°C version module: -40~105°C