Data Sheet

17 | P a g e Espressif Systems Oct 12, 2013
ESP8266 802.11bgn Smart Device
 WPA/WPA2 PSK, and WPS driver;
 Additional 802.11i security features such as pre-authentication, and TSN;
 Open Interface for various upper layer authentication schemes over EAP such as TLS,
PEAP, LEAP, SIM, AKA, or customer specific;
 802.11n support (2.4GHz / 5GHz);
 Supports MIMO 11 and 21, STBC, A-MPDU and A-MSDU aggregation and 0.4s
guard interval;
 WMM power save U-APSD;
 Multiple queue management to fully utilize traffic prioritization defined by 802.11e
standard;
 UMA compliant and certified;
 802.1h/RFC1042 frame encapsulation;
 Scattered DMA for optimal CPU off load on Zero Copy data transfer operations;
 Antenna diversity and selection (software managed hardware);
 Clock/power gating combined with 802.11-compliant power management dynamically
adapted to curent connection condition providing minimal power consumption;
 Adaptive rate fallback algorithm sets the optimium transmission rate and Tx power based
on actual SNR and packet loss information;
 Automatic retransmission and response on MAC to avoid packet discarding on slow host
environment;
 Seamless roaming support;
 Configurable packet traffic arbitration (PTA) with dedicated slave processor based design
provides flexible and exact timing Bluetooth co-existence supoport for a wide range of
Bluetooth Chip vendors;
 Dual and single antenna Bluetooth co-existence support with optional simultaneous
receive (Wi-Fi/Bluetooth) capability.