Design sketch
Dimensions
Pin Definition
nRF54L05-ME54BS03 is a compact, energy-efficient, and cost-effective Bluetooth module based on Nordic’s nRF54L05 SoC. It integrates an Arm® Cortex®-M33 CPU running at 128 MHz, along with 0.5 MB NVM and 96 KB RAM, delivering reliable computing and storage performance. Designed with a U.FL antenna connector, the module combines high RF efficiency with ultra-low power operation. Its well-balanced performance, flexibility, and compact form make it an excellent choice for a wide range of Bluetooth connectivity applications.
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Chip Model | nRF54L05 | Antenna | U.FL |
Module Size | 23.2×17.4×2mm | GPIO | 19 |
Flash | 0.5MB | RAM | 96KB |
Receiving Sensitivity | -96dBm | Transmission Power | -40~+7dBm |
Emitting Current | 0dBm-5mA | Receiving Current | 3.2mA |
Parameters | Values | Notes |
Working Voltage | 1.7V-3.6V | To ensure proper RF performance, it is recommended that the supply voltage is not lower than 2.3V |
Working Temperature | -40℃~+105℃ | Operating temperature from -40°C to 105°C |
Transmission Power | -40~+7dBm | Configurable |
Current(RX) | 3.2mA | RF receiving current under 1Mbps pattern |
Current(TX) | 0dBm-5mA | RF transmission current under 0dB pattern |
Module Dimension | 23.2*17.4*2mm | |
Quantity of IO Port | 19 |
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