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  04.12.17 - Modules WROOM-02 and WROOM-32 with the ability to connect an external antenna!
Dear customers of Vis Plus!

ESPRESSIF company has supplemented the commercially available WROOM-02 and WROOM-32 modules with versions with the possibility of connecting an external antenna. Modules within the series are pin-compatible.
 (on the picture modules with the antenna connector are shown in enlarged form)

We remind you of the main characteristics of the ESPRESSIF modules

 • ESP-WROOM-02 is a Wi-Fi module based on the ESP8266 chipset
 • 80 MHz 32-bit Tensilica Xtensa L106 processor.
 • Uses 2MB flash memory connected to QSPI
 • Low power mode: 1.2 mW consumption in DTIM10 with support for Wi-Fi connection
 • Built-in TCP / IP stack, 10-bit ADC, HSPI / UART / PWM / I2C / I2S interfaces
 • Power supply: 3.0 to 3.6 volts
 • Dimensions: 18x20 mm

 • ESP-WROOM-32 is a Wi-Fi / BT module based on the ESP32 chipset
 • 240 MHz dual-core microcontroller Tensilica LX6 with a performance of 600 DMIPS
 • Built-in memory: 520KB SRAM and 488KB ROM
 • Interfaces UART / I2C, SPI / SDIO, 802.11b/g/n/e/i Wi-Fi
 • Dual mode Bluetooth (classic and BLE)
 • Connect up to 16 MB of external memory
 • Supply voltage: 2.2 - 3.6 volts
 • Dimensions 18 × 26 mm

 For more information, please contact our specialists.
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