Actually all of them. We know that the Telekom and O2 networks are ideally suited. At Vodafone, problems have been reported in certain constellations if more than one Vodafone card is used in a Mine Media M4 Internet Bonding Router. On the other hand, there is no problem if, for example, two or three Telecom or O2 cards are in the same device. There are no known problems with the bonding encoders Q7, Q8, Q9 and R8. Here it works without any problems with all cards and mobile phone providers.