# ANNA\-B402\-00B (Component)

## Description

802\.15\.4, Bluetooth Bluetooth v5\.1 Transceiver Module 2\.4GHz Integrated, Chip Surface Mount

Bluetooth® 5\.1 Low Energy module for standalone wireless communication, integrating an Arm® Cortex®\-M4F MCU with 512 kB Flash and 128 kB RAM for embedded applications\. It operates from a 1\.7 V to 3\.6 V supply, supports Bluetooth LE at 2\.4 GHz with data rates up to 2 Mbps, and provides UART, USB, SPI, I²C \(TWI\), I²S, GPIO, ADC, PWM, PDM, and QDEC interfaces in a compact 6\.5 × 6\.5 × 1\.2 mm surface\-mount System\-in\-Package \(SiP\)\.

\#BluetoothModule \#Bluetooth5\_1 \#BluetoothLowEnergy \#OpenCPU \#2\_4GHz \#UART \#SPI \#I2C \#USB

## Component Details

- **Owner:** silicon\-yard
- **Created:** 7/31/2026
- **Last Updated:** 8/4/2026
- **Visibility:** Public
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/f17af815d8a6bba44787d70f3a17c7d772f447a18309b46731573b66112371b5\.pdf
- **Part Type:** Module
- **Manufacturer Name:** u\-blox
- **License:** https://creativecommons\.org/licenses/by/4\.0/
- **Symbol Style:** parametric\-v1
- **Manufacturer Part Number:** ANNA\-B402\-00B
- **Used in:** 10 projects

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/anna-b402-00b/u-blox.html?utm_currency=USD&region=nac) | $6\.0642 | 0 |
| [Digi\-Key](https://www.digikey.com/en/products/detail/u-blox/ANNA-B402-00B/15929819) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C6124130.html) | $12\.3173 | 12 |
| [Mouser](https://www.mouser.com/en/ProductDetail/u-blox/ANNA-B402-00B?qs=TCDPyi3sCW1X4o3qhTRZtw%253D%253D) | $6\.80 | 0 |

- **Part Type:** Modules
- **MPN:** ANNA\-B402\-00B
- **Mount Type:** Surface Mount
- **Package / Case Code:** Module
- **Pin Count:** 56
## Pins

| Pin | Name | Type |
|-----|------|------|
| 9 | VCC |  |
| 21 | VBUS |  |
| 1 | ANT\_PCB |  |
| 2 | ANT\_GND1 |  |
| 3 | ANT\_GND2 |  |
| 5 | ANT\_INT |  |
| 6 | ANT |  |
| 12 | RESET\_N |  |
| 16 | SWO/GPIO\_16 |  |
| 41 | SWDCLK |  |
| 42 | SWDIO |  |
| 17 | XL1/GPIO\_17 |  |
| 18 | XL2/GPIO\_18 |  |
| 22 | NFC1/GPIO\_22 |  |
| 23 | NFC2/GPIO\_23 |  |
| 34 | USBDP |  |
| 35 | USBDM |  |
| 10 | GPIO\_10 |  |
| 11 | GPIO\_11 |  |
| 13 | GPIO\_13 |  |
| 14 | GPIO\_14 |  |
| 15 | GPIO\_15 |  |
| 19 | GPIO\_19 |  |
| 20 | GPIO\_20 |  |
| 24 | GPIO\_24 |  |
| 25 | GPIO\_25 |  |
| 26 | GPIO\_26 |  |
| 27 | GPIO\_27 |  |
| 28 | GPIO\_28 |  |
| 29 | GPIO\_29 |  |
| 30 | GPIO\_30 |  |
| 31 | GPIO\_31 |  |
| 32 | GPIO\_32 |  |
| 33 | GPIO\_33 |  |
| 36 | GPIO\_36 |  |
| 37 | GPIO\_37 |  |
| 38 | GPIO\_38 |  |
| 39 | GPIO\_39 |  |
| 40 | GPIO\_40 |  |
| 47 | GPIO\_47 |  |
| 48 | GPIO\_48 |  |
| 49 | GPIO\_49 |  |
| 50 | GPIO\_50 |  |
| 51 | GPIO\_51 |  |
| 52 | GPIO\_52 |  |
| 4 | GND |  |
| 7 | GND |  |
| 8 | GND |  |
| 43 | GND |  |
| 44 | GND |  |
| 45 | GND |  |
| 46 | GND |  |
| 53 | GND |  |
| 54 | GND |  |
| 55 | GND |  |
| 56 | GND |  |

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*Generated from [https://flux\.ai/silicon\-yard/anna\-b402\-00b](https://flux.ai/silicon-yard/anna-b402-00b)*