how i can send data 1500byte per second,use the sd_ble_gatts_hvx(). because i send the first package use sd_ble_gatts_hvx() and 300ms later i get the BLE_EVT_TX_COMPLETE, the i send the second package, i want to reduce the time(300ms),let the package send out fast,and get the return value send the second package ,accelerate send package