How much data can send using nrf51822..?

[Sudhan]

Hi,

I'm working on nrf51822 with soft device s130. I'm trying to send a data packets from the nRF51822 over BLE to an android device.

1. I want to know how much data I can send through ble.?
2. Is it possible to send around 20 MB of data..?

[Sigurd]

Hi,

1. You can send as much data as you want. The throughput will depend on what connection-interval and the number of packets per connection-interval the phone supports. The maximum throughput supported by the S130 SoftDevice is 149.2 kbps.
2. Yes, but it will take some time to transfer that amount of data.

[Jason]

Hi,Sigurd

   how the central device send a mount of datas (400Bytes) to the peer to achieve the maximum throughput supported by the S130? TKS.

[Sigurd]

Hi Jason,

You will need to split the 400 bytes in 20 bytes packets, and send them using notification. You will also need to configure your central to use a 7.5 ms connection interval to achieve maximum throughput. See this S130 throughput infocenter-page for more information.