TB521-ETH B1+ABB卡是一款高品质工业卡，专为各种应用而设计。它具有以太网接口，并与一系列不同的系统兼容。该卡的设计便于安装和使用，并且经久耐用。
模块一股是由芯片、PCB板、外围器件构成。不同模块由于作用及应用不同，模块的外引管脚都会不一样。 就好比我们云里物里的蓝牙模块，主要是由nordic芯片，PCB板子，天线，其他元器件组成的一个集成体。
The TB521-ETH B1+ABB card is a high quality industrial card designed for a variety of applications. It has an Ethernet interface and is compatible with a range of different systems. The card is designed to be easy to install and use, and durable.
Module one strand is composed of chip, PCB board, peripheral devices. Due to the different role and application of different modules, the external pin of the module will be different. Just like the Bluetooth module in our cloud, it is mainly an integration composed of nordic chips, PCB boards, antennas, and other components.
| ABB | TC625 |
| ABB | TC630 |
| ABB | TET106 11355-0-6050000 |
| ABB | TK516 |
| ABB | TU515 |
| ABB | TU804-1 |
| ABB | TU810V1 |
