Battery Division
  • Introduction of new generation Bluetooth Audio (LE Audio) – Audio Rendering Control
    LE Audio LE Audio is based on Generic Audio Framework which consists of four building blocks for integrating in different audio products. Generic Audio Framework of LE Audio is a middleware designated for configuration and utilized by upper Profiles. The middleware includes Audio Content Control, Audio Rendering Control, Audio Topology Control and Audio Streaming Control. Each building block uses Client/Server mode defined in the GATT specification so that Client can send control command to Server to modify value of characteristic and also Server can initiate sending change of its characteristic value to Client via Notification. Architecture of LE Audio is illustrated in picture below, the blue areas mean completed and adopted specifications and the gray areas mean specifications that are under development. The specifications in red box of the lower right corner are the latest Audio Rendering Control related specifications which were officially adopted by Bluetooth SIG on 15 Dec 2020. Audio Rendering Control is defined based on Volume Control Profile (VCP) which includes Volume Controller and Volume Renderer roles. Volume Controller is acted as GATT Client while Volume Renderer is acted as GATT Server. Volume Renderer as GATT Server must support Volume Control Service (VCS) and may optionally support Volume Offset Control Service (VOCS) & Audio Input Control Service (AICS). The relationship of Audio Rendering Control related Profile and Services is illustrated in picture below: An example of Audio Rendering Control implementation in actual product is shown in picture below. AICS is applicable for devices with multiple audio input types and VOCS is applicable for devices with multiple audio speakers. VCS (Volume Control Service) defines characteristics related to volume control such as volume setting, mute control, as shown in table below: AICS (Audio Input Control Service) defines characteristics related to audio input control such as audio input state, audio input type, audio input description, as shown in table below:  VOCS (Volume Offset Control Service) defines characteristics related to volume offset control such as volume offset, audio output positions, as shown in table below: Audio Rendering Control is one of the four building blocks defined in Generic Audio Framework of LE Audio, other building blocks related specifications to be released by Bluetooth SIG in 2021 and we will introduce them in timely manner, just stay tuned! 
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  • MAC
    Summary MAC address is also called the physical address, hardware address or link address, is written in the internal hardware production by network equipment manufacturers. IP address and MAC address in the computer are in binary notation, IP address is 32 bit, and the MAC address is the 48's. The length of the MAC address is 48 (6 bytes), usually expressed as 12 hexadecimal digits between each two hexadecimal digits separated by colons, such as: 08: 00: 20: 0A: 8C: 6D is a MAC address, of which the first six hexadecimal 08:00:20 representative network hardware manufacturer's number, which is assigned by the IEEE (Institute of Electrical and Electronics Engineers Institute of Electrical and Electronics Engineers), followed by three hexadecimal digits 0A: 8C: 6D on behalf of the manufacturer of a network of manufacturing products (such as network card) serial number. As long as you do not change your MAC address, then your MAC address is unique in the world. 0-23 bits are assigned by the manufacturers themselves. 24-47 bits, called Organizationally Unique Identifier (organizationally unique, is to identify the identity LAN (local area network) node. Among which, the 40th is a multicast address flag. NIC physical address is usually is burned into card EPROM (a flash memory chip by the card manufacturer, typically can be erased by the program), which stores the address of the transmission data on which the true identity of the host computer sends out the data and receiving data. To summarize, MAC address, just as identity card numbers on our identity, globally unique. Production of cards, routers, WIFI wireless products, Bluetooth products, manufacturers are required to apply for IEEE OUI code for the product, which is the manufacturer code of MAC addresses. After the factory has made this code, plus 24 (bite) of the manufacturers self device number, consisting of the device's MAC address.
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  • MEID
    Summary Mobile Equipment Identity MEID (Mobile Equipment Identifier) is a CDMA phone identification code, as well as the unique identification code for each CDMA phone or tablet communication. Through this identification code, the phone can be tracked and supervision by the network end. For a CDMA mobile phone standard, MEID number range is hexadecimal, and IMEI format is similar. MEID number is under allocation and management of Telecommunications Industry Association (TIA). MEID applications is need to pay. The official price is $ 8,000 per 1M range MEID's (TIA) and every additional 1M range MEID numbers require an additional charge $ 8,000. Viewing of MEID numbers, there is no common approach by the handset manufacturers which set up their own. MEID numbers can be obtained by viewing the phone user manual. MEID consists of 14 hexadecimal characters logo. The 15th digit of the parity bit, which is not involved in air transport. RR: range A0-FF, from official distribution XXXXXX: Range 000000-FFFFFF, assigned by the official ZZZZZZ: Range 000000-FFFFFF, manufacturer's serial number assigned to each terminal C / CD: 0-F, checksum Application requirements Basic Files AGC Application form ISO certificate for application Business license Organization code Tax registration certificate Radio transmitting equipment type approval certificate Other specified documents Lead time 1~2 months
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  • IMEI
    Summary IMEI (International Mobile Equipment Identity) is the abbreviation of international mobile equipment identity code, an international mobile equipment identification code is a 15 digits, "electronic serial number", which correspond with each phone, and the code is a worldwide unique. Each phone after completely assembly will be assigned a globally unique set of number, this number will be recorded in manufacturing vendors from production to delivery. IMEI code is assigned by the unified GSM (Global System for Mobile Communications Association), authorized BABT (British communications Certification Board) to audit and issue. IMEI numbers by 15, consisting of: 1, the first six digits (TAC, Type Approval Code) is a "type approval number", generally represent   the models. 2, the next 2-digit (FAC, Final Assembly Code) is "final assembly number", usually on behalf of origin. 3, the next 6 digits (SNR) is a "serial number", generally represent the production sequence number. 4, the last one digit (SP) is generally "0" for the check code for use. IMEI number is unique, and posted on the back of the phone, and read and written in the phone memory. It's also the mobile phone manufacturers "File" and "ID number." Application requirements IMEI applications need to pay. Prices are $ 400 for each TAC official (BABT) . Most countries in the world can apply in BABT to get TAC, except the United States (CTIA agency applications in the US), China (TAF institutions apply in China) and India (in India MSAI institutions to apply). Basic Files AGC Application form Trademark registration certificate Business licence Power of Attorney Product specifications Other specified files Lead time 3~5 working days Remark 1,  A TAC certificate only one models;  2,  each TAC number has 1000000 numbers;  3,  each model of product function and appearance must be the same;;
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  • CB
    Summary IECEE CB system is the first truly international system of mutual recognition of electrical product safety test report, aims to assist participating countries and certification bodies established multilateral agreement, mutual recognition of test reports. Manufacturers can rely on an CB test certificate issued by NCB to obtain national certification of other Member States in CB system. CB system is based on the international IEC standards. You can apply for certification in other countries directly after obtaining CB certificate and CB test reports. Certification bodies of the target country audit the CB Test Certificate and Report (including reports on national deviations) for review (if necessary, to provide a small amount of sample). If qualified, you can get certification in the country, without having to be applied in accordance with State statutes and rules of procedure for additional tests. The main objective of the CB system is to promote international trade, by means through promoting the harmonization of national standards with international standards and product certification bodies cooperation, which enables the manufacturer get closer to the ideal of "one test, multiple applicable" goal. AGC have a good cooperation relationship with TUV SUD, ITS, Eurofins , UL and China and other institutions, we can help customers to complete the CB certification easily and quickly. For more CB certification issues, please contact AGC.
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  • BQB
    Summary The Bluetooth® Qualification Process refers to the qualification of a specific design of Bluetooth® wireless technology by an individual Member. The design applies and is limited to those specific portions of a product implementing and being compliant with a Bluetooth® Specification, as declared in the Implementation Conformance Statement (“ICS”). A qualified design of Bluetooth® wireless technology shall meet all Bluetooth® Qualification Requirements on an implementation (i.e. a product) of that design.  Bluetooth® Qualification shall refer to a specific version of the Bluetooth® Specification and to all Bluetooth® Qualification Requirements pertaining to such version. Application requirements Bluetooth® Qualification Requirements comprises of the following:  - Testing  - Documentation  - Document Filing  - Assessment  - Supplier Declaration of Conformity (SDoC)  - Compliance to Auditing and Enforcement  The Bluetooth SIG assesses an administrative fee on completion of this process (known as the Declaration fee) to cover the costs of operating the compliance program and providing other important member tools. The fee is USD 4,000 per declaration for Associate and Promoter members and USD 8,000 per declaration for Adopter members. Note: there are instances where members may list multiple products under one declaration if these products implements same Qualified Design(s). Additionally, small or start-up member companies can purchase up to two declarations for a fee of USD 2,500 each, if they meet the requirements of the Innovation Incentive Program (IIP). Process Qualification Process for New Design or Modified Qualified Design Qualification Process for Product using End Product or Subsystem Qualified Design(s)
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