Design sketch
Dimensions
Pin Definition
Compact, long-range, ultra-low-power, supporting BLE 6.0 and LoRaWAN
ME25LS03 is a high-performance, long-range, ultra-low-power, and compact wireless module that supports multiple protocols, including BLE 6.0 and LoRaWAN. It features 256 KB RAM and 1.5 MB Flash, providing ample storage for complex applications.
The module offers excellent receiver sensitivity, reaching -104 dBm (BLE) and -146 dBm (LoRa), with a maximum transmit power of +8 dBm (BLE) and +22 dBm (LoRa), enabling reliable long-distance communication. Powered at 3.3 V, the ME25LS03 includes a built-in 32 kHz crystal and provides a rich set of GPIO interfaces.
Additionally, it is supported by a fully open development platform, making it suitable for customization and secondary development to meet diverse application requirements.
Chip Model | LLCC68 + nRF54L15 | Antenna | 2.4G: PCB/U.FL LoRa: ANT PIN |
Module Size | 25x15x3.2mm | GPIO | 25 |
Flash | 1.5MB | RAM | 256KB |
Receiving Sensitivity | BLE: -96dBm, 1Mbps; -104dBm, 125Kbps LoRa: -125dBm | Transmission Power | BLE:-40-+8dBm LoRa: +22dBm |
Current(TX) | 159mA | Current(RX) | 16.95mA |
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