WiFi Box with RS232 interface (D-Sub)

This wireless box transmits RS232 data via WLAN. It is connected via D-Sub connector. The device can send and receive data. It is delivered fully operational. The device includes a real time clock, so that the records can also be provided with time. By changing the script, the device can be programmed.


The Avisaro wireless device transmits your technical data via WiFi

  • Transmit and receive data via WiFi
  • Programmable
  • Timestamping
  • Individual configuration and autonomous functionality
  • Easy to config via web interface
Product versions

Art.No. W21133 (link: <Shop>)

Art.No. C21133 with slot for SD cards, wireless WiFi access in addition (link: <Shop>)


RS232 interface

  • Industry standard RS232 interface(s)
  • Baud rate 1200 bit/s to 1 Mbit/s
  • Average processing rate max. 500 kbit / s
  • 7/8 data bits, parity, stop bits
  • RTS / CTS and XON / XOFF flow control

D-Sub connector

  • Industry standard pin assignment
  • One data interface
  • Standard 9-pin D-sub connector (male)
  • Power supply via cannon plug or D-Sub



  • WLAN: 802.11 b/g, security: WPA, WPA2, WEP
  • Outdoor range: max 250 m, indoor 30-50m
  • Infrastruktur mode: WLAN client + 'fixed AP'
  • Adhoc Mode: standard + 'mesh'
  • WPS (automatic 'one button' setup)
  • Typical data delay: about 3 ms

Power supply

       Depending on the product version

  • D-Sub Version: Barrel connector and D-Sub
  • Wago Version: WAGO terminal
  • Cube Version: Crew terminal
  • Supply voltage: 6V - 32V
  • Consumption: approximately 0.5 to 2 W depending on product options
  • Buffered real-time clock internally (about 1 month)

Mechanical data

  • Dimensions: 50 x 72 x 24 mm
  • Weight: 70 g
  • Protection class: none
  • Temperature range: -30 ° C to 85 ° C (check SD card for restriction)
Download (manuals and product flyer)

User Manual

User documentation to get the products up and running, find information on predefined application ("Scripts"), interface layout.

 Avisaro Serie 2 User Manual (DE).pdf

Technical User Manual (ENG)

All the technical details. Electrical and mechanical information. Introduction into user modes.

 Avisaro Serie 2 Technical User Manual (ENG).pdf

Further documentation

More documentation can be found <here> 
(Support > Download)

Predefined scripts (application apps)

WR1: RS232 via WiFi

WR1 Script: All data from a RS232 interface are transmitted via WLAN. This allows to transfer data from RS232 to a PC wirelessly. A 'virtual' serial port is  installed on the PC. <here ...>

Scripts ("Apps") - Overview

Avisaro provides a collection of ready-to-use scripts. Please remind, that not all scripts are for all devices. Find the overview <here ...>
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