It is compatible with the frequency bands of SIM cards in most European countries. But you need confirm whether your SIM card frequency band is compatible with it before buying a router.
If the frequency band of your SIM card is compatible with CPF905, but your device cannot connect to the Internet normally, you need to disable the PIN code and modify the APN. (the info can consult operator)
If signal is unstable, you can also manage the settings page, lock 4G or 3G network, can effectively improve the stability of the network.
If your settings are correct and the device still cannot connect to the network, please consider whether it is caused by the following problems:
Account got suspended for too much data usage.
the sim card have limited service ,not work with router or hotspot .
not support roaming service.
some place did not cover the network Frequency band.
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