Data Sheet

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1. Overview
1.2. Main Technical Specifications
Table 1-1. Main Technical Specifications
Categories
Items
Parameters
Wi-Fi
Standards
FCC/CE/TELEC/SRRC
Protocols
802.11 b/g/n/e/i
Frequency Range
2.4G ～ 2.5G (2400M ～ 2483.5M)
Tx Power
802.11 b: +20 dBm
802.11 g: +17 dBm
802.11 n: +14 dBm
Rx Sensitivity
802.11 b: -91 dbm (11 Mbps)
802.11 g: -75 dbm (54 Mbps)
802.11 n: -72 dbm (MCS7)
Antenna
PCB Trace, External, IPEX Connector, Ceramic Chip
Hardware
CPU
Tensilica L106 32-bit micro controller
Peripheral Interface
UART/SDIO/SPI/I2C/I2S/IR Remote Control
GPIO/ADC/PWM/LED Light & Button
Operating Voltage
2.5V ~ 3.6V
Operating Current
Average value: 80 mA
Operating Temperature Range
-40°C ~ 125°C
Storage Temperature Range
-40°C ~ 125°C
Package Size
QFN32-pin (5 mm x 5 mm)
External Interface
-
Software
Wi-Fi Mode
Station/SoftAP/SoftAP+Station
Security
WPA/WPA2
Encryption
WEP/TKIP/AES
Firmware Upgrade
UART Download / OTA (via network)
Software Development
Supports Cloud Server Development / Firmware and
SDK for fast on-chip programming
Network Protocols
IPv4, TCP/UDP/HTTP/FTP
User Configuration
AT Instruction Set, Cloud Server, Android/iOS App
Espressif
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2017.04