CBTMN33 is an advanced multiprotocol module that supports Low power 2.4 GHz and is designed for high data rate short-range wireless communication in the 2.4GHz ISM band. With sophisticated Low power 2.4 GHz Direction Finding capabilities and a temperature range of -40°C to 105°C, its applications range from vaccine cold chain solutions to solar light fields.

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RF : Low power 2.4 GHz
SOC : nRF52833
Line of Sight : 100m+
CPU : ARM Cortex-M4, 64MHz
Crystals : 2 x 32.768kHz crystals
Memory : 512KB Flash, 64KB RAM
Antenna : PCB antennas, variants with chip
antennas, U.FL connectors available upon request
Certifications : CE RED, WPC, FCC (applied)

PCB Design

Software Development Kit

Evaluation Kit


The evaluation board, CBTMN-EVK33 is designed for the CBTMN33 module. The board is based on Nordic Semiconductor’s nRF52 chip.