Netgear Cradle Genie DC112A with AirCard 790 constantly loosing internet connection

I am using an AirCard 790 as mobile hotspot . Alone it works fine. Now I did connect it to the NETGEAR Genie DC112A. At first I thought it works as it did all it should do and connected to the internet. But actually since its connected in the cradle it is getting on the internet for 30sec then loosing connection for about a minute and getting back on. This cycle is constant, on/off.

I tried to discunnect again and reconnect the AirCard. Alone the AirCard works fine but in the Cradle it is constantly loosing connection to the internet.

Anyone has any idea what can be done?

This is what I use:

NETGEAR Genie DC112A Firmware Version V1.0.0.18_1.0.60 

AirCard 790