Sebuah telepon di stasiun kereta bawah tanah

Telepon IP Telepon Berkabel

2022-06-29

IP telephony refers to any telephone system that uses an Internet connection to send and receive voice data. Unlike regular...

Do I need professional installation?

2022-05-27

We can provide professional installation video or user's manual for help, most of our product can installed it without a...

Sistem Telepon Lokasi Konstruksi

2022-05-27

Sistem radio telepon lokasi konstruksi yang cerdas sangat membantu untuk mempromosikan reformasi industri konstruksi di negara kita...

Sistem Telepon Kereta Api

2022-05-11

The emergency telephone system is an IP emergency system specially set up in the subway. The emergency system is a...

Loudspeaker tahan ledakan

2022-05-10

Explosion proof loudspeakers, the appearance is made of metal materials, made by aluminum alloy, which has the characteristics of anti-violent...

Pengeras Suara Hitam

2022-05-10

Loudspeaker ini memiliki bodi hirn aluminium. Mereka mudah untuk instalasi. Masing-masing memiliki output yang kuat, impedansi input rendah ...