iot modules



IoT Bluetooth Module based on CC2640 Texas Instrument

RC-CC2640-B is designed based on CC2640R2FRSMR Bluetooth Smart (Bluetooth 4.2 and Bluetooth 5.0) System-on-Chip, fully supports the single mode Bluetooth Low Energy operation.

The module provides the ability to either put your entire application into the integrated ARM Cortex M3 microcontroller, or use the module in Network Processor mode in conjunction with the microcontroller of your choice.


Mechanical Drawing and dimensions :   Very small 12 x 15mm



  • Bluetooth4.1, Single mode compliant-Supports master and slave modes
  • Build in CC2640F128 Bluetooth Smart System-On-Chip
  • RF Performance : TX Power=+5dBm RX Sensitivity=-87 -97dBm
  • Ultra low current consumption
  • Transmit current(0dBm)=6.1mA
  • Receiving current=5.9mA
  • Size: 12mm×15mm×1.5mm


Technical Characteristics MIN MAX UNIT
Operation Voltage  1.8  3.8 Volt
 Operating Temperature  -40  85  °C
 Current Consumption BLE Advertising (interval 100ms)  0.23    mA
 Current Consumption BLE Connection (interval 30ms)  0.35    mA
 Current Consumption BLE Connection (interval 50ms)   0.22   mA
 Current Consumption BLE Connection (interval 100ms)  0.12   mA
 Current Consumption BLE Connection (interval 500ms)  0.02   mA
 Current Consumption Sleep Mode     1  µA
 TX Power  -21    5  dBm
 RX Sensitivity  -87    -97  dBm
 Storage Temperature  -40 +150 °C
Mechanical Dimensions  8.35 x 8mm      


Pads  Name  Description
 1  DIO 0  GPIO, Sensor controller, High drive capability
 2  DIO 1  GPIO, Sensor controller, High drive capability
 3  DIO 2  GPIO, Sensor controller, High drive capability
 6  DIO 3  GPIO, High drive capability, JTAG_TDO
 7  DIO 4

 GPIO, High drive capability, JTAG_TDO

 8  VDD  1.8v TO 3.8v Power Supply
 9  RESET_N  Reset, active-low (No internal pullup)
 10  DIO 5  GPIO, Sensor controller, Analog
 11  DIO 6  GPIO, Sensor controller, Analog
 12  DIO 7  GPIO, Sensor controller, Analog
 13  GND  Ground
 14  GND  Ground
 15  DIO 8  GPIO, Sensor controller, Analog
 16  DIO 9  GPIO, Sensor controller, Analog

To make immediate usable the RC-CC2640-B module with Texas Instruments development systems has been realized the following adapter :

 In this way is possible to coonect directly this adapter board to the Texas Instruments development kit (see the following picture) :


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