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    ESP-WROOM-02U-N4

    ESP-WROOM-02D and ESP-WROOM-02U are ESP8266EX-based modules developed by
    Espressif. Compared to ESP-WROOM-02, the RF performance of ESP-WROOM-02D and
    ESP-WROOM-02U are optimized. Besides, ESP-WROOM-02U integrates a U.FL
    connector. Please see Chapter 8 for details of U.FL connector.

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      SPECIFICATION

      Mfr Espressif Systems
      Series ESP
      Packaging Tape & Reel (TR)
      Cut Tape (CT)
      Digi-Reel®
      Part Status Active
      DigiKey Programmable Not Verified
      RF Family/Standard WiFi
      Protocol 802.11b/g/n
      Modulation 64-QAM, BPSK, CCK, OFDM
      Frequency 2.4GHz ~ 2.5GHz
      Data Rate 72.2Mbps
      Power – Output 20.5dBm
      Sensitivity -98dBm
      Serial Interfaces ADC, GPIO, I2C, I2S, SPI, PWM, UART
      Antenna Type Antenna Not Included, U.FL
      Utilized IC / Part ESP8266EX
      Memory Size 4MB Flash, 50kB RAM
      Voltage – Supply 2.7V ~ 3.6V
      Current – Receiving 50mA ~ 56mA
      Current – Transmitting 120mA ~ 170mA
      Mounting Type Surface Mount
      Operating Temperature -40°C ~ 85°C
      Package / Case 18-SMD Module
      Base Product Number ESP-WROOM