Specifications - Espressif Systems ESP8266 Series Hardware Design Manuallines

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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
Analog
receive
Analog
transmit
PLL
Bias circuits SRAM
Parameters
FCC/CE/TELEC/SRRC
802.11 b/g/n/e/i
2.4G ~ 2.5G (2400M ~ 2483.5M)
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)
on-board, external, IPEX connector, ceramic chip
UART/SDIO/SPI/I2C/I2S/IR Remote Control
GPIO/PWM
2.5V ~ 3.6V
Average: 80 mA
-40℃ ~ 125℃
-40℃ ~ 125℃
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1. ESP8266EX
MAC Interface
UART
Registers
GPIO
I2C
CPU
I2S
SDIO
Sequencers
PWM
ADC
Accelerator
SPI
PMU Flash
2018.12