BLE-dat

• WCH BLE Tool

• nRF Toolbox for Bluetooth LE - nrf52840 - https://play.google.com/store/apps/details?id=no.nordicsemi.android.nrftoolbox&hl=en_US

• nRF Connect for Mobile

• https://play.google.com/store/apps/dev?id=7265678888812659353&hl=en_US

• Wireshark

ref

• antenna-design-dat