Features

CPU and On-Chip Memory
ESP8685H4 embedded, 32-bit RISC-V singlecore processor, up to 160 MHz
384 KB ROM
400 KB SRAM (16 KB for cache)
8 KB SRAM in RTC
4 MB flash in chip package
Wi-Fi
IEEE 802.11 b/g/n-compliant
Center frequency range of operating channel:2412 ~ 2484 MHz
Supports 20 MHz, 40 MHz bandwidth in 2.4 GHzband
1T1R mode with data rate up to 150 Mbps
Wi-Fi Multimedia (WMM)
TX/RX A-MPDU, TX/RX A-MSDU
Immediate Block ACK
Fragmentation and defragmentation
Transmit opportunity (TXOP)
Automatic Beacon monitoring (hardware TSF)
4 virtual Wi-Fi interfaces
Simultaneous support for Infrastructure BSS inStation mode, SoftAP mode, Station + SoftAPmode, and promiscuous mode
Note that when ESP8685 family scans in Stationmode, the SoftAP channel will change along withthe Station channel
802.11mc FTM
Bluetooth
Bluetooth LE: Bluetooth 5, Bluetooth mesh
Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
Advertising extensions
Multiple advertisement sets
Channel selection algorithm #2
Internal co-existence mechanism between Wi-Fiand Bluetooth to share the same antenna