How to send data more than 20 bytes over BLE

[abhay_kr]

Hello 

 I am working with nrf9160dk_nrf52840 and using the BLE of nrf52

I am using the peripheral uart sample code to send some custom data.

I am trying to send more than  a 20 byte data through ble to an  android app. But all I am able to transfer is first 20 bytes.

The data is of 40 bytes but  transmitting only first 20 byte eachtime and skips the rest.

Please help me to modify the code and send the 20-20 byte data in a series. As I am newbie for nordic boads so be specific and try to answer in a simple way.

Note: ncs version 1.9.1

  

[abhay_kr]

Hi Nordic engineer,

Thank you so much,   I have send 100 Bit data  over BLE

I've set 
CONFIG_BT_L2CAP_TX_MTU=128
CONFIG_BT_BUF_ACL_RX_SIZE=128
for  projects and it works.

I Followed this link

NCS peripheral uart increase data length - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com)

[madhurubharath]

100 bit is 12.5 bytes the maximum char notify's up to 20 bytes ,more the 20 bytes not able to send through 

bt_gatt_notify() api.