Flexible Size ODM and OEM China Factory Keystone Insert Module Multi functional YH6004

1, product characteristics
◎ The product supports SD card with maximum 1G capacity; ◎ Supports playback of 4Bit ADPCM format files; ◎ Automatically recognizes voice files; ◎ Can load 6KHz to 32KHz, 36KHz sampling rate AD4 audio; ◎ Loads 6KHz to 16KHz sampling rate WAV audio; ◎ 16bitDAC and PWM audio output; ◎ can store up to 512 voice segments;
◎ WTV020-SD-20S, WTV020-SD-16P two kinds of module package;
The
◎ Microprocessor and key control are supported; ◎ You can call any segment of voice for playback;
◎ Save power operation data function;
◎ Load voice without software assistance, place voice directly to SD card;
◎ support for document playback, including mute combinations;
◎ working voltage: DC2.7 ~ 3.5V; ◎ quiescent current: 3u

High Quality

Sincere Co-operatio 

Superior Service

Ningbo Yuhui Communication Equipment Co.,Ltd  is established in 1995, is one of the leading communication equipment manufacturers in China.

Our firm is located in Cixi city, close to ports of Ningbo and Shanghai.

Up to now , more than 90 employees are working in our company and dozens of advanced technicians  take company as home. 100% products are exported and it’s with 8000 square meters of production zone.

As an ISO9001:2000 certificated company, 20% of staff members pay much energy for research and development ,Under this strict business organization, we are very welcomed with good products and quality,of course ,we have very warm service.

Our products are related to whole cabling telecom communication and internet  system, such as network cabinet, distribution box, keystones modules,patch panel, kinds of modules and accessories. Also the fiber optic patch panel and other splicing items are our hot products.

Through the joint effort of all our staff, our products have been well received by more than 50 foreign countries in America, Europe, Asia and Mid East. And our customers sing high praise for our goods.

Our company will propagate the enterprise spirit of 

High Quality

Sincere Co-operatio

Superior Service

try our best to build the company as a word famous enterprise.

Welcome to contact us, Ningbo Yuhui Communication Equipment CO., LTD will be the reliable partner for you!