Specifications - Espressif ESP8266 Series System Description

1.2. Specifications
Categories
Wi-Fi
Hardware
Espressif
RF
receive
RF
transmit
PLL VCO 1/2
PMU Crystal
Figure 1-1: ESP8266EX Block Diagram
Table 1-1: ESP8266EX Specifications
Items
Standard
Protocols
Frequency Range
Tx power
Rx Sensitivity
Antenna
Peripheral interface
Operating voltage
Operating current
Operating
temperature range
Storage temperature
range
/ 2 27
Analog
receive
Analog
transmit
PLL
Bias circuits SRAM
Parameters
CCC / FCC / CE / TELEC / SRRC
802.11 b/g/n
2.4 G ~ 2.5 G (2400 M ~ 2483.5 M)
802.11 b: ＋20 dBm
802.11 g: ＋17 dBm
802.11 n: ＋14 dBm
802.11 b: －91 dbm (11 Mbps)
802.11 g: －75 dbm (54 Mbps)
802.11 n: －72 dbm (MCS7)
PCB on-board, external, IPEX connector, ceramic chip
UART / SDIO / SPI / I2C / I2S / IR Remote Control
GPIO / PWM
3.0 V ~ 3.6 V
Average: 80mA
-40 ℃ ~ 125 ℃
-40 ℃ ~ 125 ℃
ESP8266EX
MAC Interface
UART
Registers
GPIO
I2C
CPU
I2S
SDIO
Sequencers
PWM
ADC
Accelerator
SPI
PMU Flash
2016.06