What kind of mobile phone can hold 6 calling cards?

The mobile phone made in China can hold 6 calling cards. In fact, this device is a short message device. It is convenient and quick to send and receive short messages online by inserting 8 cards 16 cards and 32 cards. Suyihuida 32-port SMS transceiver supports 32 mobile phone cards to send and receive SMS at the same time, which is fast, suitable for sending and receiving SMS in batches, fast in receiving SMS with verification code, and provides software and secondary development package, with stable and reliable performance. Adopt a brand-new remote module, support 7*24 hours uninterrupted operation, and 32 cards can send and receive 30,000 short messages in 1 hour at the same time. If 32 cards are insufficient, you can buy two 32-port cards and three 32-port cards. A computer can have at most four 32-port card devices for sending short messages, so 128 cards can send and receive short messages at the same time. Domestic shanzhai mobile phones have three spare mobile phones. But they are all single standby ~ ~ and they are all cards that can only support G network, not CDMA cards. Therefore, the mobile phone of the domestic cottage can hold 6 calling cards.