Unicom landline dedicated card / card compartment secondary dialing
This machine is a national support 13，14，15，18，17 beginning 2G 3G mobile phone cards Unicom ordinary (phone card usable) or CRC code at the beginning of China Unicom (eg 010-56780000，021-31952222) dedicated landline card and mobile (V3.V4 encryption cards， public telephone cards， TD information machine card) plane dedicated card. For mobile Unicom 4G card out of the machine through software upgrades to optimize already very mature and stable， supporting the nationwide 4G card can be used.