The RN41 is a small form factor, low power, simple to integrate Class 1 Bluetooth radio for OEMs adding wireless capability to their products.The RN41 is perfect for battery powered applications and by default is ready to use in the SPP (Serial Port Profile) configuration. It uses only 250 µA in sleep mode while still being discoverable and connectable. Multiple low power modes available allow you to dial in the lowest power profile for your application. The RN41 supports multiple Bluetooth profiles, is fully certified, and is simple to design in, making it a complete embedded Bluetooth solution. 

The RN41 is also available without antenna (RN41N). This is useful when the application requires an external antenna. The RN41N is form, function, and pin compatible with the RN41.  A similar module, the , is a fully certified Class 2 low power Bluetooth module.

Note:  The Bluetooth SIG changed the product listing process effective February 1, 2014.  Clickfor more information.

Firmware version 6.30 is the latest production firmware version available for the standard RN41.  To receive the latest firmware version 6.30, please order part number

Firmware version 5.50 is the latest production firmware version available for the RN41APL.  To receive the latest firmware version 5.50, please order part number

  Fully-certified Class 1 Bluetooth 2.1 + EDR module

  Onboard embedded Bluetooth stack (no host processor required)

  UART (SPP or HCI) and USB (HCI only) data connection hardware interfaces

  Supports Bluetooth data link to iPhone/iPad/iPod Touch

  Supports HID profile for making accessories such as keyboards, mouse, pointing devices

  Programmable low power modes

  Secure communications, 128 bit encryption

  Error correction for guaranteed packet delivery

  UART local and over-the-air RF configuration

  Auto-discovery/pairing requires no software configuration (instant cable replacement)

  Castellated SMT pads for easy and reliable PCB mounting

  The standard part number (RN41-I/RM) supports SPP and DUN profiles

  Available in multiple configurations:Apple-compatible firmware (RN41APL-I/RM), HCI mode (RN41HCI-I/RM), HID mode (RN41HID-I/RM), USB mode (RN41U-I/RM), and socket module (RN41SM-I/RM)

  Available without antenna (RN41N-I/RM)

  Bluetooth SIG qualified