Contact Us


Mantenna Wisi Engineering Co.,Ltd (A wholly owned subsidary of Wihelm Sihn jr. GmbH & Co. KG., Germany)

Address. K.K Industrial Building, Block C, 1st Floor, 5 Mok Cheong Street,Tokwawan, Kowloon Hong Kong


地址. 香港九龍土瓜灣木廠街五號金賜工業大廈二樓C座

Tel/電話 : (852) 23624315
Fax/ 傳真 : (852) 27642745



The VS 50 PRO is a programmable terrestrial filter with an integrated amplifier. Four VHF/UHF antennas can be connected via four F connectors, and one additional F connector is available for insertion of FM. 

The award-winning headend.


The CHAMELEON product line is the first ever to cover almost every need for Cable - TV and SMATV distribution with only one hardware. The different inputs and outputs are defined by software options and all software options can be updated anytime.  

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