ESP-WROOM-02 - WiFi Module Solution

The Espressif ESP-WROOM-02 is a fully certified low-power 32-bit MCU Wi-Fi module based on ESP8266 chip, embedded with TCP/IP network stacks, 10-bit ADC, and HSPI/UART/PWM/I2C/I2S interfaces.

ESP8266 Module can operate in low-power connectivity mode; for instance, if it operates in DTIM10, it only consumes 1.2mW while maintaining a Wi-Fi connection. The module also integrates an SPI flash of 16 Mbits used for storing user programs, data and firmware.

  • SIZE: 20m x 18mm x 3mm SMD package
  • Integrated Tensilica L106 32-bit micro controller (MCU)
  • Integrated antenna
  • Integrated 802.11 B/G/N Wi-Fi transceiver, baseband, stack and LWIP
  • 3V to 3.6V operating voltage
  • -40°C to +125°C operating temperature
5
TECHNICAL SPECIFICATIONS
5.1
General Features
Feature
Specification
Standard

Quad-band: GSM 850/ EGSM900/ DCS1800/ PCS1900

Compliant to ETSI GSM Phase 2+
Data

Asynchronous, transparent and non-transparent

Maximum speed: up to 14.4kbps

Point-to-point (MO/MT)

Text /PDU

Cell Broadcast
GPRS

Terminal Class B

Multislot Class 10

Data rates: Downlink - up to 85.6 kbps
Uplink - up to 42.8 kbps
Fax

Group 3

Fax 2.0

Max speed (kbps): up to 9.6kbps
Host Protocol

AT Commands compliant to GSM 07.07, 07.05

iWOW Proprietary AT Commands
Firmware Stack

TCP/IP and UDP/IP

MMS
5.2
Mechanical Characteristics
Feature
Specification
Dimension (mm)
94.2 x 66.0 x 14.5
Weight (g)
58
Lead-free
Yes
Cooling Mechanism
Internal Dual Flow Air Convection
Power Supply Interface
PC powered via USB host (No external power supply)
Communication Port
USB Receptacle mini-B
USB 1.1
VBUS, D+, D-, GND
Baud rates from 110 to 115200 bps
  • Security Key Fob
  • Intelligent Weighing Scales
  • Home Automation with Sensor Network
  • Wi-Fi Camera
  • Wi-Fi Audio
  • Set Top Boxes
  • EPOS Terminals

Model Number

Description

ESP-WROOM-02

ESP-WROOM-02 WiFi module solution, 18 pin SMD variant, 18mm x 20mm.

ESP-WROOM-S2

ESP-WROOM-S2 WiFi module solution, 20 pin SMD variant, 16mm x 23mm.

ESP8622EX

ESP8266 WiFi IC, 5mm x 5mm

EVK-

Evaluation Kit TBC

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Last updated: 20 November 2016