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WiFly 802.11b Serial Module - Roving Networks

Replacement: None. There is no direct replacement for this product. This was discontinued by the manufacturer. This page is for reference only.

The WiFly RN-111b **module from Roving Networks is a complete ultra low power embedded TCP/IP solution. The device enables wireless connections to any legacy serial port and supports bi-directional RS-232 signaling at a rate of up to 232.4Kbps. Just attach****WiFly********to your device's RS232/EIA232 port, plug it in, and you're connected. The transmit range can be up to 330' (100m), depending upon environmental considerations.

  • Uses industry standard 802.11b specifications and protocols
  • Supports WEP and WPA2-PSK(AES) encryption
  • Can be powered from multiple supply options: 4VDC – 12VDC unregulated, 3.3V regulated, or low power (2-3V ) battery source
  • Fully pre-certified module with FCC ID and CE marks
  • TCP sockets with incoming and outbound connect modes
  • UDP connectionless and broadcast modes
  • Virtual COM support via Tactical Client
  • Low power consumption (40ma connected, 120ma TX, 12 micro amp sleep modes)
  • Programmable timers and wake/trigger modes
  • Three on board LEDs and PIO signals for connect status
  • Simple local configuration via AT commands
  • FTP over the air firmware upgrades
  • Includes 1/4 wave wire antenna
  • On board pin holes are 0.8" spaced
  • 0.3x1x1.5" (25.4x38mm)


Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • I can't find the pinout for the 10 pin serial interface. Neither here or on Roving Networks site. Does anyone have it?

  • I want to use my WRT54GL to control and monitor some devices because there is a significant power savings with the router verses a full blown computer. I would like to control and monitor things like the fish tank, cat food dispenser, humidor, etc.
    Once I get it connected, does it work like the other wireless offerings? Basically a character on the TX line of this would appear as an identical character (with the appropriate software) in a tty on the router?

  • This is a neat device...I can see a lot of uses. I am a bit confused though...can it connect to a wireless router or does IT become a wireless router?
    For example, I'd like to be able to have this device bring up a list of detected networks and then connect to one of them. Then it would attempt to connect to my custom server running on a PC on the network. I could potentially have many embedded devices connect to the same server, and the server could control them all.
    Or...does the device become an "available network" when your PC does a scan, and then you have to connect to it that way? I can't imagine it would work that way, but I didn't see a way to query for a list of available networks in the docs.

  • Datasheet says it supports WEP128, WPA-PSK, and WPA2-PSK (TKIP and AES).

  • Any chance of telling us what form of encryption this supports?
    Wep? WPA? WPA2? WPA Enterprise?

  • All the documentation says this is a 802.11b device, whereas this page says its an 'n' device? Which is it? :o

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