YD/T 1889-2009 English PDF
Basic dataStandard ID: YD/T 1889-2009 (YD/T1889-2009)Description (Translated English): The Requirements of Hearing Aids Compatibility and Measurement Methods for Telephone Handset Sector / Industry: Telecommunication Industry Standard (Recommended) Classification of Chinese Standard: M40 Classification of International Standard: 33.050.10 Word Count Estimation: 15,121 Date of Issue: 2009-06-15 Date of Implementation: 2009-09-01 Quoted Standard: GB/T 11454; GB/T 15279; YD/T 789; YD/T 867; YD/T 965; YD/T 1686; ITU-T P.53; ITU-T P.57 Regulation (derived from): MIIT [2009] No. 43 Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the use of auxiliary amplifier, magnetic coupling and electric coupling three kinds of hearing aid coupling handle telephone technical requirements and methods of measurement. This standard applies to the use of a hearing aid coupling handle calls. In addition, cordless phones and mobile phones and the use of hearing aids is electrically coupled wearing a hearing aid fixed telephone answering machine magnetic coupling may also refer to the appropriate sections of this standard to use. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of YD/T 1889-2009_English be delivered?Answer: Upon your order, we will start to translate YD/T 1889-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of YD/T 1889-2009_English with my colleagues?Answer: Yes. The purchased PDF of YD/T 1889-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |