Bluetooth Modules

Bluetooth modules are components that are typically attached to a motherboard with the purpose of enable wireless connectivity and broadcasting via a Bluetooth signal. The modules contain what is known as a 'Bluetooth stack', which refers to the board or chip that is specifically programmed to carry out Bluetooth software functions, providing an easy-to-use digital interface for wireless communication. Bluetooth modules are available in a multitude of sizes and types to suit a wide range of applications and as such can be installed in many different devices, greatly improving the basic functions of the chosen device.

RS Components offers a range of Bluetooth modules that collectively support a wide variety of bus and I/O interfaces. Our range features products from leading brands, including Laird Connectivity, Microchip, Panasonic, and more.

How to select the right Bluetooth Module?

Bluetooth technology is classified by ’classes’, and these classes range from 1, 2 or 3. The level of the class will determine the range of the device, with class 1 being the best in this range for operating range. It is also worth considering the version number when choosing your Bluetooth module. Version numbers range upwards from 1.0 to 4.0+ and, just as they do with the classes, the levels will determine the functionality levels. Version numbers can also be used as indicators for other qualities of the module, such as its range and power consumption. The higher end of the number range holds the best in its class, giving a clear indication of functionality between modules.


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Description Price Bluetooth Class Bluetooth Version Maximum Output Power Receiver Sensitivity Supported Bus Interfaces Supported I/O Interfaces Dimensions Height Length Maximum Operating Temperature Minimum Operating Temperature Width Priced to Clear
RS Stock No. 765-2879
Mfr. Part No.RN42-I/RM
BrandMicrochip
£14.45
Each
Units
Class 2 2.1, 1.1, 1.2, 2 4dBm -80dBm SPI, UART USB 13.4 x 25.8 x 2mm 2mm 25.8mm +85 °C -40 °C 13.4mm -
RS Stock No. 123-8536
Mfr. Part No.RN4871-V/RM118
BrandMicrochip
£6.31
Each
Units
Class 2 4.2 0dBm -90dBm AIO, PIO, UART I2C 9 x 11.5 x 2.1mm 2.1mm 9mm +70 °C -20 °C 11.5mm -
RS Stock No. 168-3773
Mfr. Part No.BGM113A256V2
£5.208
Each (On a Tape of 100)
Units
- 2, 4.1 3dBm -93dBm SPI, UART I2C, SMBus 15.73 x 9.15 x 1.9mm 1.9mm 15.73mm +85 °C -40 °C 9.15mm -
RS Stock No. 110-9151
Mfr. Part No.BGM113A256V2
£6.41
Each
Units
- 2, 4.1 3dBm -93dBm SPI, UART I2C, SMBus 15.73 x 9.15 x 1.9mm 1.9mm 15.73mm +85 °C -40 °C 9.15mm -
RS Stock No. 774-7908
Mfr. Part No.RN52-I/RM
BrandMicrochip
£15.47
Each
Units
Class 2 3 4dBm -85dBm AIO, GPIO, SPI, UART, USB - 26 x 13.5 x 2.7mm 2.7mm 26mm +85 °C - 12.75mm -
RS Stock No. 169-0140
Mfr. Part No.BGM111A256V1
£2.774
Each (On a Tape of 100)
Units
Class 1 4.1, 4.2 8dBm -93dBm I2C, SPI, UART Serial 15 x 13 x 2.2mm 2.2mm 15mm +85 °C -40 °C 13mm -
RS Stock No. 169-0199
Mfr. Part No.BLE112-A-V1
£14.196
Each (In a Bag of 5)
Units
- 4 3dBm -93dBm GPIO, I2C, PWM, SPI, UART, USB None 12 x 18 x 2.3mm 2.3mm 18mm +85 °C -40 °C 12mm -
RS Stock No. 897-7450
Mfr. Part No.BLE112-A-V1
£9.11
Each
Units
- 4 3dBm -93dBm GPIO, I2C, PWM, SPI, UART, USB None 12 x 18 x 2.3mm 2.3mm 18mm +85 °C -40 °C 12mm -
RS Stock No. 894-7130
Mfr. Part No.BGM111A256V1
£2.63
Each
Units
Class 1 4.1, 4.2 8dBm -93dBm I2C, SPI, UART Serial 15 x 13 x 2.2mm 2.2mm 15mm +85 °C -40 °C 13mm -
RS Stock No. 123-8535
Mfr. Part No.RN4870-V/RM118
BrandMicrochip
£5.90
Each
Units
Class 2 4.2 0dBm -90dBm AIO, PIO, UART I2C 12 x 22 x 2.4mm 2.4mm 12mm +70 °C -20 °C 22mm -
RS Stock No. 916-3709
Mfr. Part No.BM70BLES1FC2-0002AA
BrandMicrochip
£7.24
Each
Units
Class 2 5.0 2dBm -90dBm I2C, SPI Serial, UART 21.5 x 12 x 2.4mm 2.4mm 21.5mm +70 °C -20 °C 12mm -
RS Stock No. 169-0132
Mfr. Part No.BT121-A-V2
£18.386
Each (On a Reel of 500)
Units
- 1.3 14dBm -96dBm ADC, DAC, GPIO, I2C, Microcontroller Programming Interface, Real-Time Clock, SPI, UART RS232, Serial 13.9 x 11 x 2.2mm 2.2mm 13.9mm +85 °C -40 °C 11mm -
RS Stock No. 880-7345
Mfr. Part No.BT121-A-V2
£24.13
Each
Units
- 1.3 14dBm -96dBm ADC, DAC, GPIO, I2C, Microcontroller Programming Interface, Real-Time Clock, SPI, UART RS232, Serial 13.9 x 11 x 2.2mm 2.2mm 13.9mm +85 °C -40 °C 11mm -
RS Stock No. 144-5883
Mfr. Part No.RN4677-V/RM100
BrandMicrochip
£7.26
Each (In a Tray of 88)
Units
Class 2 4 2dBm - UART Serial 22 x 12 x 2.4mm 2.4mm 12mm +70 °C -20 °C 22mm -
RS Stock No. 880-6847
Mfr. Part No.RN4677-V/RM100
BrandMicrochip
£7.63
Each
Units
Class 2 4 2dBm - UART Serial 22 x 12 x 2.4mm 2.4mm 12mm +70 °C -20 °C 22mm -
RS Stock No. 144-5916
Mfr. Part No.RN4020-V/RM123
BrandMicrochip
£6.10
Each (In a Tray of 84)
Units
- 4.1 7.5dBm -92.5dBm AIO, I2C, PIO, SPI MCU, RN42, Serial, UART 19.5 x 11.5 x 2.3mm 2.3mm 19.5mm +85 °C -30 °C 11.50mm -
RS Stock No. 916-3775
Mfr. Part No.RN4020-V/RM123
BrandMicrochip
£7.78
Each
Units
- 4.1 7.5dBm -92.5dBm AIO, I2C, PIO, SPI MCU, RN42, Serial, UART 19.5 x 11.5 x 2.3mm 2.3mm 19.5mm +85 °C -30 °C 11.50mm -
RS Stock No. 177-4873
Mfr. Part No.BLE113-A-M256K
£5.932
Each (On a Tape of 1000)
Units
- 4 0dBm -93dBm GPIO, I2C, PWM, SPI, UART GPIO, I2C, Serial, UART, USB 15.75 x 9.15 x 2.1mm 2.1mm 15.75mm +85 °C -40 °C 9.15mm -
RS Stock No. 897-7469
Mfr. Part No.BLE113-A-M256K
£9.12
Each
Units
- 4 0dBm -93dBm GPIO, I2C, PWM, SPI, UART GPIO, I2C, Serial, UART, USB 15.75 x 9.15 x 2.1mm 2.1mm 15.75mm +85 °C -40 °C 9.15mm -
RS Stock No. 798-5359
Mfr. Part No.RN42XVP-I/RM
BrandMicrochip
£18.07
Each
Units
Class 2 2.1 4dBm -70dBm UART, USB Serial - - 24.4mm +85 °C -40 °C 29.9mm -