Система обучения цифрового языка образовательных

Описание и отзывы

Трекер стоимости

Характеристики

1.Audio data switch connect with teacher computer by 3 USB cable.

2.Simple to connection and good signal transmission.

3.One-click installation software.

4.One Key start/close the system.

5.Power supply, data exchange and communication control through CAT 5/6.

6.Student terminal 9V safety power supply, plug and play.

7.Practical and economical.

 

TEACHING
Audio Broadcast	Whole Talk	White Board	Demo
Quiz	Intercom	Monitor	Screen Demo
Record Course	E-Respond	System Setting	Warning/ Lock
GROUP TEACHING
Meeting	Automatic Meeting	Manual Meeting	Discuss
Chat-Room	Group-Cast
EXAMINATIOIN
Paper Edit	Test	Grade	Spoken Test
TRANSLATION
Segment-T	Synchronous-T	Simulation-T
SELF-STUDY
Audio Text On Demand	Self-Exam	Free Discuss	Dialogue
Record And Repeat	Dictionary	Database

 

 

Shaanxi GREELAN Technology Development Co., Ltd established in 2003 and located in Xi’an. Currently, has been specialized in school types of equipment and products. Our products mainly include language laboratory equipment, and other school equipment. We insist on "Quality first, Integrity-based" business philosophy. We promise you the fast response and patient explanation; We assure you the top quality, required quantity and in time delivery.

 

1. One Stop Service

a. Pre-sales: make a comprehensive project plan for customer.

b. After-sales: offer customer service whenever you have a question.

2. Advanced Technology

a. Hardware: less equipment to make the connection easy and save the cost.

b. Software: simple, practical and multifunctional.

3. High Standard Quality Control

a. Strict inspection during the production.

b. Careful test of every equipment before shipping.

4. Fast and timely delivery

a. Product preparation: 7-10 days.

b. Delivery: timely delivery once the goods are ready.

 

Q1: Are you a trading company or a manufacturer?

A1: We are a manufacturer. We have on language lab about 10 years. And OEM service is available.

Q2: Do you supply samples?

A2: Yes, we accept samples. Because sample is a whole system, you need to pay sample fee and the express fee.

Q3: What's your delivery time?

A3: For standard products, our production time is about 20-30 days after your payment received according to your order quantity.

Q4: What is your MOQ?

A4: We can accept trial order with lower MOQ to help you test market first, please feel free to contact us about your quantity.

Q5: Do you accept OEM?

A5: Sure. OEM is highly welcomed for us.

Q6: What is your term of delivery?

A6: We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you.

 

System	1.        MTBF: more than 1000 hours, Crash and failure dropped≤ 1. 2.        The success rate of terminal start: 100%. 3.        Conditions of Use: -10- 45 ℃. 4.        Relative Humidity: 20% -80%. 5.        Atmospheric pressure 86-106Kpa. 6.        System power supply 220V ± 22V AC voltage. 7.        Power frequency: 50 ± 2.5Hz.
Audio Data Switch	1.        Of 128 44.1 KHz/16bit audio data transmission, voice delay <1ms. 2.        Power supply: standard 220V ± 22V power supply, output voltage: 9V. 3.        Intelligent switches: all the students’ terminal power supply unified by audio data switch. 4.        SNR> 80dB, distortion <1%. 5.        Three-in-one network port (power supply, communication control, data exchange).
Student Terminal	1.        Continuously variable transmission to the same tune: 50% - +200%. 2.        SNR> 80Db. 3.        Frequency Response: 125Hz-10.0kHz (± 2dB), more than 16-bit linear sampling. 4.        The recording time: ≥ 600 minutes.
Headset	Headphones: 1.        Frequency Response: 125Hz ~ 8000 Hz, ± 17 dB (0dB = 20uPa The) (input power = 1mW). 2.        Electrical Impedance: 32Ω± 20%. 3.        Sensitivity≥ 100dB/1mW (0dB = 20uPa). Microphone: 1.        Frequency response: 40-20000HZ. 2.        Type: electrets microphone. 3.        Sensitivity: -47 ± 2 dB (0 dB = 1V/Pa). 4.        Directional type: two-way.
Voice Delay	1.        broadcast≤1ms. 2.        Intercom≤1ms. 3.        Breakdown time: 0.
Network	1.        Three-in-one network mode. 2.        Power supply, data exchange and communication control through CAT 5/6.

 

 

Maintenance schedule

All products come with a three-year free warranty

 

After-sale service network advantages and technical advantages

We have extensive experience in system design, installation, integration, testing and inspection

 

RAIN / Sales Representative
------------------------------------------------------------------
Address: Room 803,Block H,Wangzuo Mordren City,No.35TanyanRoad,High-tech Zone,Xi'an,Shaanxi, 710069, China.
Tel:+86-18064397252
Skype:+86-13991976865
WeChat/WhatsApp//FB/INS/Zalo/Twitter: +8618064397252

Welcome to send inquiry to get more information!