BLE difference between nrf51822 CDAB and QFAC

[unzeitig]

When I tried S110 examples like BLE proximity, beacon and hrs on QFAC, it works without any problem. Unfortunatelly I can not see any activity on pin VDD_PA of CDAB. Is there any difference between both chips from BLE point of view? How to simply debug it?

[unzeitig]

I am using a custom board now after previous experiments with BLE400, I can not eliminate hardware issue but all ports of nrf CDAB are functional except BLE. Is there any possibility in SW to find out ANT1 or ANT2 are overloaded by BAL-NRF02D3? One thing remain me probably to unsolder BAL-NRF02D3 and measure on its pins.