Meanwhile, on the other side there's a covered full-sized SIM card slot and a dev port, and another USB 2.0 port.
机身的右侧则具备一个标准尺寸的SIM卡插槽，和它一起藏在弧形盖子内的则是另一个工程开发用的端口。 同一侧还具备另一个USB 2.0 端口。
SIM reads the card and the handset data interface is based on the PC machine serial port, USES a piece of 74hc14 chip to realize the interface function.
SIM读卡器和手机数据接口是基于PC机串行通信口，利用一片74hc14芯片实现接口功能。
SIM reads the card and the handset data interface is based on the PC machine serial port, USES a piece of 74hc14 chip to realize the interface function.
SIM读卡器和手机数据接口是基于PC机串行通信口，利用一片74hc14芯片实现接口功能。
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