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Stephano-I Image

The Stephano-I from Würth Elektronik is a 2.4 GHz Wi-Fi + Bluetooth LE Module. It supports Bluetooth Low Energy 5.0 and IEEE 802.11 b/g/n Wi-Fi protocols. This module delivers a bit rate of up to 150 Mbps (Wi-Fi) and 2 Mbps (Bluetooth) and has a line-of-sight range of 450 m (Wi-Fi) and 300 m (Bluetooth). It is based on a 160 MHz Espressif ESP32-C3FH4 radio chipset and has a 32-bit RISC-V single-core processor. This module can act as a station as well as a soft access point and provides WPAPSK, WPA2PSK and WPA/WPA2PSK encryption methods in soft access point configuration. It requires a DC supply of 3.3 V and consumes less than 167 mA (Tx) and 82 mA (Rx) of current.

The Stephano-I delivers an output power of 13.4 dBm (Wi-Fi) and 4.5 dBm (Bluetooth) and has an Rx sensitivity of -89 dBm (Wi-Fi). It can be controlled via a UART interface delivering a Baud rate of up to 115.2 kBd with flow control. This module is available in a package that measures 13.0 x 9.5 x 2.0 mm with an internal antenna.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Wurth Elektronik
  • Description
    2.4 GHz Wi-Fi + Bluetooth 5.0 LE Radio Module

General Parameters

  • Technology
    WiFi + Bluetooth
  • Frequency
    2402 to 2480 MHz
  • Bluetooth Standards
    Bluetooth v5
  • WiFi Standards
    802.11 b/g/n
  • Standard Supported
    Bluetooth Low Energy
  • Mesh Networking
  • Data Rate
    2 Mbps (Bluetooth) & 150 Mbps (Wi-Fi)
  • Supply Voltage
    3 to 3.6 V
  • Sleep current
    5 uA
  • Output Power
    4.5 to 13.4 dBm
  • Sensitivity
    -89 dBm
  • Line of Sight Range
    300 m (Bluetooth) & 450 m (Wi-Fi)
  • Integrated Antenna
  • Antenna
    Dipole Antenna
  • Interface Type
  • Memory
    Flash: 4 MB & RAM: 400 kB
  • Chip
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40 to 85 Degree C
  • RoHs

Technical Documents