> For the complete documentation index, see [llms.txt](https://nucode.gitbook.io/nuseries/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nucode.gitbook.io/nuseries/modules-1/ble-zigbee-thread-module.md).

# BLE, Zigbee, Thread Module

> Explore NU Series wireless modules for BLE, Bluetooth Mesh, Zigbee, Thread, and embedded IoT applications.

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## **Module Comparison**

<table><thead><tr><th width="180.25" align="center"></th><th>NU-32</th><th>NU-40</th><th>NU-54</th><th>NU-54V</th></tr></thead><tbody><tr><td align="center">Size</td><td><img src="https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2Fy1MW2Jfz1aUFXHLHVIA8%2Fimage.png?alt=media&amp;token=57df2cca-6691-48c6-a989-6078886849d4" alt=""></td><td><img src="https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2FCmDbjAy7iN4cXMkfAsSN%2Fimage.png?alt=media&amp;token=4440decf-89fa-4dbc-a5de-199923ed7e11" alt=""></td><td><img src="https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2F66xZJKtRVCqyz1X9r7WF%2Fimage.png?alt=media&amp;token=15bd19dc-631d-42d1-a025-ad35f29f2696" alt=""></td><td><img src="https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2Fzdd4BDDHGCpiGocQLsjo%2Fimage.png?alt=media&amp;token=4cf5a7a4-e2b6-4f4c-a554-c5b4dae633d6" alt=""></td></tr><tr><td align="center">SoC</td><td>nRF52832</td><td>nRF52840</td><td>nRF54L05</td><td>nRF54L15</td></tr><tr><td align="center">Antenna</td><td>TE connectivity Chip<br>Antenna IPEX type</td><td>TE connectivity Chip<br>Antenna IPEX type</td><td>TE connectivity Chip<br>Antenna IPEX type</td><td>TE connectivity Chip<br>Antenna IPEX type</td></tr><tr><td align="center">CPU</td><td>64 MHz ARM Cortex-M4</td><td>64 MHz ARM Cortex-M4 with FPU</td><td>Dual: 128MHz ARM Cortex-M33 + Risc - V Coprocessor</td><td>Dual: 128MHz ARM Cortex-M33 + Risc - V Coprocessor</td></tr><tr><td align="center">Flash Memory</td><td>512KB</td><td>1MB</td><td>512KB</td><td>1.5 MB</td></tr><tr><td align="center">RAM</td><td>64KB</td><td>256KB</td><td>96KB</td><td>256 KB</td></tr><tr><td align="center">Wireless Protocol</td><td>BLE, ANT, NFC</td><td>BLE, ANT, NFC, Thread, Zigbee, matter</td><td>BLE, NFC, Thread, Zigbee, matter</td><td>BLE, NFC, Thread, Zigbee, matter</td></tr><tr><td align="center">Chip</td><td>QFN48</td><td>aQFN73</td><td>QFN48</td><td>QFN48</td></tr><tr><td align="center">Maximum GPIO</td><td>32</td><td>48</td><td>31</td><td>31</td></tr><tr><td align="center">Operating Voltage</td><td>1.7V - 3.6V</td><td>1.7V - 5.5V</td><td>1.7V - 3.6V</td><td>1.7V - 3.6V</td></tr><tr><td align="center">Power Consumption</td><td>Low</td><td>Low<br>(Power efficiency mod)</td><td>Very Low<br>(Efficient power management with dual processors structure)</td><td>Very Low<br>(Efficient power management with dual processors structure)</td></tr><tr><td align="center">Application Examples</td><td>Temperature sensor, beacons, wearables, and lightweight smart sensors</td><td>Smart home hubs, USB dongles, industrial device</td><td>Wireless sensor, metering tags, and healthcare monitoring</td><td>Smart city nodes, AI-enabled cameras, and farm gateways</td></tr><tr><td align="center">Interface</td><td>Up to 3x SPI, 2x TWI, 1x UART, PWM, PDM, I2S, ADC</td><td>Up to 4x SPI, 2x TWI, 2x UART, PWM, PDM, I2S, ADC</td><td>Up to 5x SPI, 5x TWI, 5x UART, PWM, PDM, I2S, ADC</td><td>Up to 5x SPI, 5x TWI, 5x UART, PWM, PDM, I2S, ADC</td></tr><tr><td align="center">Security</td><td>-</td><td>PSA 1</td><td>PSA 3</td><td>PSA 3</td></tr></tbody></table>