CBTMN40 is the most advanced multiprotocol module that supports Bluetooth 5.3 stack for BLE (Bluetooth Low Energy) and is designed for high data rate short-range and long-range wireless communication in the 2.4GHz ISM band. The module supports complete protocol concurrency with Bluetooth Low Energy, Bluetooth mesh, Zigbee, Thread, 802.15.4, ANT protocols.

Bluetooth : 5.3 low energy modules
SOC : nRF52840
Line of Sight : 100m+
CPU : ARM Cortex-M4, 64MHz
Security : 28-bit AES CCM, ARM CryptoCell
Crystals : 2 x 32.768kHz crystals
Memory : 1MB Flash, 256KB RAM
Antenna : PCB antennas (variants with chip
antennas and U.FL connectors available upon request)
Certifications : CE RED, WPC, FCC (applied)

PCB Design

Software Development Kit

Evaluation Kit


The evaluation board, CBTMN-EVK40 is designed for the CBTMN40 module. The board is based on Nordic Semiconductor’s nRF52 chip.