PART NUMBER

ESP-WROOM-02U-N4

RF TXRX MODULE WIFI U.FL SMD

Quick Answer: ESP-WROOM-02U-N4 is a wireless connectivity RF module from Espressif Systems, organized under Semiconductors / RF and Wireless / RF Transceiver.

Manufacturer
Espressif Systems
Product Category
RF Transceivers
Package
18-SMD Module
Stock
3,545 pcs
Availability
Current quantity subject to confirmation.
RFQ includes: Price Stock confirmation Date Code Lead Time
Product photos & testing support available on request.

Product Attributes

Manufacturer Espressif Systems
Product Category RF Transceivers
Antenna Type Antenna Not Included, U.FL
Current - Receiving 50mA ~ 56mA
Current - Transmitting 120mA ~ 170mA
Data Rate 72.2Mbps
Frequency 2.4GHz ~ 2.5GHz
Memory Size 4MB Flash, 50kB RAM
Min Qty 1
Modulation 64-QAM, BPSK, CCK, OFDM
Mounting Type Surface Mount
Operating Temperature -40°C ~ 85°C
Package Tape & Reel (TR),Cut Tape (CT)
Power - Output 20.5dBm
Product status Active
Protocol 802.11b/g/n
RF Family/Standard WiFi
Sensitivity -98dBm
Serial Interfaces ADC, GPIO, I2C, I2S, SPI, PWM, UART
Series ESP
Utilized IC / Part ESP8266EX
Voltage - Supply 2.7V ~ 3.6V
Datasheet View Datasheet PDF
PURCHASING INFORMATION

Procurement Snapshot

Key supply and purchasing information for ESP-WROOM-02U-N4.

Check Price & Availability
Part Number ESP-WROOM-02U-N4
Availability 3,545 pcs listed Current quantity subject to confirmation.
Packaging & Condition Packaging confirmation available Manufacturer packaging, label and package condition can be reviewed on request.
Date Code & Lot Verification available Date code, lot and label details can be reviewed on request.
Inspection Support Inspection & testing support Visual review, X-ray or additional testing can be arranged.
Procurement Support Volume & shortage sourcing OEM, EMS, hard-to-find and long-term supply requirements supported.
SOURCING CAPABILITIES

Why Source from Antrex Electronics?

Independent distribution support for verified sourcing, inspection and international procurement requirements.

Independent Distribution Support

Shortage, obsolete and hard-to-find component sourcing for production and procurement requirements.

Traceability Review

Label, lot, date code and available supply-chain documentation can be reviewed before order confirmation.

Inspection & Testing

Visual inspection, X-ray and third-party testing support can be arranged when required.

Global Procurement Support

Support for OEM, EMS, distributors and international sourcing requirements across individual parts and BOM projects.

QUALITY & SOURCING

Credentials & Verification Support

Quality controls, traceability review and inspection support for electronic component sourcing.

ISO 9001 SGS
ISO 9001 Quality management
ESD Control
ESD Control Component handling
ERAI Membership
ERAI Industry sourcing support
Component Traceability
Traceability Label, lot & documentation review
Testing Support
Testing Support X-ray & third-party testing

Detailed Description for ESP-WROOM-02U-N4

Product Overview

ESP-WROOM-02U-N4 is a wireless connectivity RF module from Espressif Systems, organized under Semiconductors / RF and Wireless / RF Transceiver. It is intended for two-way RF communication, embedded wireless connectivity, telemetry, IoT modules, sensor networks, smart devices or industrial communication equipment, depending on the exact variant and firmware support. Espressif devices are frequently used for Wi-Fi, Bluetooth, IoT connectivity, smart-home modules and compact embedded wireless products.

For production or replacement use, buyers should verify the full datasheet, marking, ordering suffix, RF band, antenna interface, package footprint, regulatory constraints and lifecycle status before approval.

Key Features

  • Manufacturer: Espressif Systems
  • Part Number: ESP-WROOM-02U-N4
  • Product Category: Semiconductors / RF and Wireless / RF Transceiver
  • Device Type: wireless connectivity RF module
  • Product Description: ESP-WROOM-02U-N4 is a wireless connectivity RF module with Wi-Fi, 18-SMD Module, module package; confirm carrier-board layout, antenna path and regulatory requirements, intended for embedded wireless connectivity, RF communication and production-ready module-based designs.
  • Wireless Protocol / Band Reference: Wi-Fi
  • Package / Case: 18-SMD Module
  • Mounting / Construction: module package; confirm carrier-board layout, antenna path and regulatory requirements
  • Application Focus: Wi-Fi and Bluetooth connectivity modules, IoT gateways, embedded wireless products and smart appliances
  • Module Review Note: Check antenna path, regional certification, firmware variant, carrier or protocol support, and module footprint before substitution
  • Functional Role: RF transmit/receive communication, wireless data exchange and embedded connectivity
  • Sourcing Description: RF TXRX Module Wi-Fi U.Fl Smd

Applications

ESP-WROOM-02U-N4 can be used in IoT nodes, wireless gateways, embedded modules, smart-home devices, industrial control products, sensors, handheld equipment and communication boards where a module-style RF solution can reduce RF development effort. The exact antenna interface, regional approval, firmware package and host interface should be checked for the target design.

Quality & Sourcing

Antrex Electronics can support ESP-WROOM-02U-N4 sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For RF transceiver purchasing, buyers can provide quantity, target price, acceptable date code, packaging preference, required wireless protocol, frequency band, firmware or module version, and end-application information for faster quotation support.

Antrex Electronics can also help arrange product photos, label review, visual inspection and third-party testing support when required. OEMs, EMS providers, wireless module manufacturers, IoT device makers, repair centers and electronic component buyers are welcome to send BOM lists or hard-to-find RF transceiver requests for sourcing assistance.

MORE SOURCING OPTIONS

Explore More Sourcing Options

Continue sourcing by manufacturer, product category or procurement requirement.