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Shandong Senter Electronic Co., Ltd

Free member Since 2004

Shandong, China

It integrates various kinds of functions such as telephone and line test to be the one. FEATURES CID function, FSK/DTMF compatibility DTMF applying to GB/T15279-94 Dialing number display Checking wire pairs function Low voltage warning, automatic...

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Anthea Liu ( Shandong Senter Electronic Co., Ltd )
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