Classic SIM?

The classic SIM include 3G/4G USIM cards which support FDD-LTE and TD-LTE network standards, and can be used on CDMA/GSM/LTE multi-mode terminals. Whatever the SIM format required by a mobile network operator - 2FF, 3FF or 4FF - Eastcompeace can provide a tailored solution, matching the level of plating with the end-user market.?

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