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. 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