Does the SIM card operate with CSD (Circuit Switched Data) technology?

If you are inquiring about CSD (Circuit Switched Data) technology, please note that Things Mobile SIM cards do not support this technology.

Additionally, the SIM card is not enabled for fax transmission, as CSD (Dial-Up) is not supported. Fax transmission requires a voice channel, which is not available on Things Mobile SIM cards, as they only support data traffic and SMS.

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