产品优点：
1. CAT6更快的下行速率
2.完整齐全的认证
3.多band覆盖面广
The Sierra Wireless MC7430 PCI Express Mini Card is a compact,
lightweight, wireless LTE- and UMTS-based modem that provides
LTE, UMTS, and GNSS connectivity for M2M applications, notebook,
ultrabook and tablet computers over several radio frequency bands.