---
title: Is Balluff's UHF BIS U processor attachable to the antenna connector?
description: Can the BIS U antenna have a M12 connector?
---

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# Is Balluff's UHF BIS U processor attachable to the antenna connector?

## Can the BIS U antenna have a M12 connector?

The UHF BIS U antenna interface is not our common M12 connector, but a dedicated antenna TNC connector in the wireless communication field. 

 

![1](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/RFID2/14/1.png?width=600&name=1.png)

 

To connect the processor and the antenna, you need to use a dedicated TNC cable, such as the 5m BIS U-500-EF-05. When using this type of cable, be careful not to bend or flatten the cable. 

![2](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/RFID2/14/2.png?width=358&name=2.png)![3](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/RFID2/14/3.png?width=600&name=3.png)

 

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