X type second line extension

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Product name：
X type second line extension

上市日期： 2016-08-12

Type number: 2639XE3 (decoding)

4.1 functional characteristics

We use two line bus wiring

The host call extension, two-way communication

You can set up two public unlock password

The host capacity: 63 layer *8

You can swipe to unlock IC/ID

The visual and non visual compatibility

The non visual host three hosts share one extension

The visual host two hosts shared an extension

The extension and host two-way communication, unlocking

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