The ME54BS0A is an ultra-low-power and high-performance Bluetooth module built on the Nordic nRF54L15 SoC and nRF21540 RF FEM. It integrates an Arm® Cortex-M33 processor running at 128 MHz, along with 1.5 MB NVM and 256 KB RAM, providing strong computing and storage capability for advanced wireless applications.
With the nRF21540 RF FEM, the module supports up to +20 dBm transmit power, delivering extended wireless range with excellent RF performance. It offers selectable PCB or U.FL antenna options, abundant GPIO resources, and a compact integrated hardware design optimized for multi-protocol operation.
Featuring ultra-low power consumption and support for Bluetooth 6.0, Bluetooth Mesh, Matter, Thread, and other protocols, the ME54BS0A is a reliable and versatile solution for next-generation, long-range Bluetooth connectivity.

Chip Model | nRF54L15 | Antenna | PCB/U.FL |
Module Size | 18×10×1.7mm | GPIO | 30 |
Flash | 1.5MB | RAM | 256KB |
Receiving Sensitivity | -96dBm | Transmission Power | ~ +20dBm |
Emitting Current | 20dBm-150mA | Receiving Current | 7mA |
Parameter | Values | Notes |
Working Voltage | 1.9V-3.6V | To ensure proper RF performance, it is recommended that the supply voltage is not lower than 2.3V. |
Working Temperature | -30℃~+80℃ | Operating temperature from -40°C to 85°C |
Transmission Power | ~ +20dBm | Configurable |
Current(RX) | 7mA | RF receiving current under 1Mbps pattern |
Current(TX) | 150mA | RF transmission current under 0dB pattern |
Module Dimension | 18x10x1.7mm | |
Quantity of IO Port | 30 |
