186 segment is a segment specially launched by China Unicom for 3g users. You need to use Unicom's 3g package. 46 yuan package is the least in this package series. If necessary, you can handle it directly in the business hall, and you can get a card for free by pre-storing a certain phone bill.

China Unicom 3G voice package includes plan A 3G package, plan B 3G package and plan C 3G package.

Basic package A series: suitable for customers with high 3G data traffic and certain voice call requirements;

Basic package B series: suitable for customers who mainly make domestic long-distance voice calls and have certain 3G data traffic requirements;

Basic package C series: suitable for customers who mainly make local voice calls and have certain 3G data traffic requirements.

Please refer to the picture below for details of packaging.