Catalog > Internet of Things (IOT) Related Products > Sparkfun Sparkfun BlueSMiRF Silver Bluetooth Modem BlueSMiRF Silver Bluetooth Modem RN-42 Serial Communication 2400~115200bps Serial RX/TX pipe SPF BLUETOOTH MODEM SMIRF SILVER WRL-12577 BlueSMiRF Silver Bluetooth Modem RN-42 with Serial Communication 2400 to 115200bps and Serial RX/TX pipe 460.96 ZAR inc for 1 Each 2 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The BlueSMiRF Silver is the latest Bluetooth****wireless serial cable replacement from SparkFun Electronics! This version of the popular BlueSMiRF uses the RN-42 module which has a bit less range than the RN-41 module used in the BlueSMiRF Gold. These modems work as a serial (RX/TX) pipe. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target. The remote unit can be powered from 3.3V up to 6V for easy battery attachment. All signal pins on the remote unit are 3V-6V tolerant. No level shifting is required. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer. Unit comes without a connector. Please see related male and female pins below. Specifications v6.15 Firmware FCC Approved Class 2 Bluetooth****Radio Modem Extremely small radio - 0.15x0.6x1.9inch Very robust link both in integrity and transmission distance (18m) Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee Encrypted connection Frequency: 2.4~2.524 GHz Operating Voltage: 3.3V-6V Serial communications: 2400-115200bps Operating Temperature: -40 ~ +70C Built-in antenna Dimensions: 45x16.6x3.9mm Downloads Datasheet - Bluetooth-RN-42 PDF File 627.44 KB Schematic PDF File 1.69 MB AT Command Set v6.15 PDF File 1.29 MB References Hookup GuideBluetooth PrimerGitHub