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Replacement: WRL-12575. The firmware on this Roving Networks product has been updated from version 4.77 to the 6.15 version. Go check it out! This page is for reference only.

Description: This module from Roving Networks is powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters being transmitted back and forth. Press the 'A' character from a terminal program on your computer and an 'A' will be pushed out the TX pin of the Bluetooth module.

Note: These modules have been revised to remove three unused RF pads from the bottom of the module. For more information on what pads were removed and why, check out the change notes below.

Features:

  • Fully qualified Bluetooth module
  • FCC Certified
  • Fully configurable UART
  • UART Data rates up to 3Mbps
  • Over air data rate of 721kbps to 2.0Mbps
  • Low power sleep mode
  • Compatible with all Bluetooth products that support SPP (almost all do)
  • Includes support for BCSP, DUN, LAN, GAP SDP, RFCOMM, and L2CAP protocols
  • 3.3V operation
  • Status pin
  • Bluetooth Technology v2.0 compatible
  • Class 1 power output

Documents:

Replaces: WRL-08497

Comments 7 comments

  • i got it working, sweet, and my code is there too. (under RN41) http://www.fixkick.com/ELM327/taurus-sim/hacked.html#MPG

  • mouser is a full wholesale distr. and sells by quantity discounts, as do most wholesalers.
    the data sheet is clear see second bullet !, it states. “Backwards-compatible with Bluetooth version 2.0, 1.2, and 1.1 ” read the real data sheets and the real full PDF, this module is far better than any HC05 sold, and 1000 time better docs and support. I wish now that i didn’t waste my time on CSR parts (HC05)

    using three?, of these. the pdf above shows. only 1 master talking to 1 slave. RTM.

    my wish,why not make sell this module mounted, to a base board, with header pins so we can connect to it. those castellated pins are very hard to use. unless doing a custom PCB SMT layout. If I missed a base board, please post that.

    • How is this module better than HC05? Just wondering, I’m using HC05 only as a slave device, what do I gain switching to this?

  • I was thinking to use three of these units. One as a base and two as remotes. Both remotes would need to connect simultaneously with the base (Data rate will be really low and intermittent, but random). Is that possible with these Bluetooth modules? Or do I have to use Zigbee?

  • Why no quantity price breaks? :(

  • BTW - This is BT2.1 with EDR, not BT2.0 as listed in the bullets above.

  • Cool - a long range (100m) version of the RN42


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