点击图片查看大图•以太网
•无线网络连接和蓝牙低耗能
•GPS定位追踪器（全球导航##系统，运动检测只与运动GNSS）
•CAN总线
GPIO:
This accessory card provides a variety of General Purpose IO functionality to accessory card based hardware platforms. It enables three analog inputs, four digital inputs, and four digital outputs.
LoRa:
This accessory card provides long range RF support using Semtech’s LoRa radio technology. The gateway uses this accessory card to connect MultiTech’s mDot products to the cloud.
MFSER:
These accessory cards are Multi-Function Serial Accessory cards. They provide standard serial RS 232/422/485 communication for a number of industrial applications using a variety of legacy devices.
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