> For the complete documentation index, see [llms.txt](https://trillbit.gitbook.io/trillbit-sdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trillbit.gitbook.io/trillbit-sdk/features/payloads-and-datarates.md).

# Payloads and Datarates

## *Payloads*

Integrating Trillbit's SDK with your application enables it to send and receive data with Trillbit's data over sound technology. 

#### 1. SmartMic IA61x: 

Payloads of upto 32 characters are supported by Trillbit SDK for Knowles SmartMic IA61x.

**2. Android/iOS/ESP-32/Embedded Linux:** 

Payloads of upto 256 characters are supported

## *Data Rates*

*The streaming data rates supported by Trillbit SDK are as follows:* 

1. 1-2 feet - 154 bps 
2. 2-4 feet - 106 bps 
3. upto 12 feet - 64 bps

Streaming data rate varies with protocol overhead in the header