Information about SIM cards, coverage, functions and much more besides.
- Is the APN unique for all Countries?
- Does the SIM card have its own telephone number?
- How do I send an SMS message to a SIM card?
- Can I have a custom APN?
- Is it possible to send and receive SMS messages?
- Does the SIM card have a public fixed IP address or a dynamic private IP address?
- Are the SIMs natted?
- Can the SIM card be used for voice calls?
- I want to buy a SIM card with no credit just to receive SMS messages. Do I need to recharge it?
- Will the SIM card already be activated when I buy it?
- Do the SIM cards have expiration dates?
- What type of IP address does the SIM card have?
- Which SIM Card sizes are available?