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EMC——SRRC certification
SRRC certification is the National Radio Regulatory Commission
certification. According to the "Administrative Regulations on
Imported Radio Transmission Equipment" and "Administrative
Regulations on Production of Radio Transmission Equipment", in
order to strengthen the management of imported and production radio
transmission equipment, any radio transmission equipment exported
to the People's Republic of China or within the territory of the
People's Republic of China All radio transmission equipment
produced (including trial production) must hold a Radio
Transmission Equipment Type Approval Certificate issued by the
State Radio Regulation Committee and SRRC after the type approval
of its transmission characteristics.
Applicable product range | |
Public mobile communication equipment | 2.4GHz/5.8GHz wireless access equipment |
1. GSM/CDMA/Bluetooth phone | 1. 2.4GHz/5.8GHz wireless LAN device |
2. GSM/CDMA/Bluetooth landline phone | 2. 2.4GHz/5.8GHz wireless LAN card |
3. GSM/CDMA/Bluetooth module | 3. 2.4GHz/5.8GHz spread spectrum communication equipment |
4. GSM/CDMA/Bluetooth network card | 4. 2.4GHz/5.8GHz wireless LAN device Bluetooth device |
5. GSM/CDMA/Bluetooth Data Terminal | 5. Bluetooth devices (keyboard, mouse, etc.) |
6. GSM/CDMA base station, amplifier, repeater | |
Private network equipment | Digital trunking products, radio and television equipment |
1. Digital radio | 1. Mono FM broadcast transmitter |
2. Public walkie-talkies | 2. Stereo FM Broadcast Transmitter |
3. FM handheld | 3. MW AM Broadcast Transmitter |
4. FM base station | 4. Shortwave AM Broadcast Transmitter |
5. No central equipment terminal | 5. Analog TV Transmitter |
6. Digital Broadcast Transmitter | |
7. Digital TV transmitter | |
Microwave equipment | Other radio transmitting equipment |
1. Digital microwave communication machine | 1. Paging transmitter |
2. Point-to-multipoint digital microwave communication system central station/terminal station | 2. Two-way paging transmitter |
3. Point-to-point digital microwave communication system central station/terminal station | |
4. Digital relay communication equipment |
The type approval code must be marked on the label of the factory equipment. The testing agencies currently recognized by the Radio Management Bureau of the Ministry of Information Industry are: State Radio Monitoring Center (SRMC)
SRRC certified product range:
Mobile communication equipment: 2G / 3G base station / terminal /
repeater, etc .;
Professional communication equipment: AM transceiver, digital radio
system base station / vehicle station / handheld station, analog
trunking, digital trunking base station / handheld station /
repeater, digital radio station, microwave equipment, satellite
earth station equipment, cordless telephone equipment, Bluetooth
equipment, maritime satellite equipment, etc .;
Wireless access equipment: 2.4GHz / 3.5GHz / 5.8GHz wireless access
equipment, etc.
Radar navigation equipment: weather radar, navigation radar, speed
radar, air navigation equipment, etc .;
Broadcast and television equipment: FM / AM broadcast transmitter
equipment, TV transmitter equipment;
Short-range micropower equipment: general micropower equipment,
biomedical telemetry equipment, public walkie-talkies, wireless
microphones, etc .;
Various other systems containing radio transmitting devices.
As above, the traditional products include tablets, mobile phones,
Bluetooth speakers and other products that include wifi, BT and
data terminal functions.
LCSAdvantage Certification Product Series
Bluetooth wifi / wireless toy / mobile phone / smart home
SAR (Specific Absorption Rate of Electromagnetic Radiation)
detection
SAR definition
SAR concept 1: The introduction of the SAR concept: Since various
organs of the human body are lossy media, an inductive
electromagnetic field will be generated in the body under the
action of external electromagnetic fields, and the inductive
electromagnetic field in the body will generate a current, which
will cause absorption and dissipation of electromagnetic energy.
People use SAR to characterize this physical process.
SAR Concept 2: Specific Absorption Rate: Specific Absorption Rate
It is defined as the energy of electromagnetic radiation
(irradiation) absorbed per unit time (s) and unit mass (kg) of the
organism, and its unit is W / kg.
SAR concept 3: SAR measurement mechanism:
By definition, it can be seen that SAR evaluation is performed by
measuring field strength distributions or temperature changes.
However, SAR evaluation by measuring temperature rise is difficult
and the error is large. Therefore, at present, the electric field
probe is generally used to measure the field strength distribution
for SAR evaluation in order to obtain higher measurement accuracy.
SAR definition: Under the influence of external electromagnetic
field, an induced electromagnetic field will be generated inside
the human body. Because various organs of the human body are
consumable media, the electromagnetic field in the body will
generate electric current, which will cause the absorption and
dissipation of electromagnetic energy. SAR is commonly used in
biological dosimetry to characterize this physical process. The
meaning of SAR is the electromagnetic power absorbed or consumed by
human tissue per unit mass, and the unit is W / kg.
SAR detection standards and products
Product categories: mobile phones, laptops, tablets, USB Dongle,
Card Bus, etc.
Product communication standard: GSM / GPRS / EDGE: 850/900/1800 /
1900MHz;
HSDPA / HSUPA; CDMA2000, WCDMA, LTE, Wi-Fi; Bluetooth, etc.
SAR detection standards:
International: IEEE Std 1528; IEEE Std C95.1; IEEE C95.3;
IEC62209-1; IEC62209-2
United States and Canada: FCC OET65; ANSI C63.19; ANSI C95.1; ANSI
C95.3; RSS102;
Europe: EN 50360; EN50361; EN 62209-1; EN 62209-2;
Japan: ARIB STD-T56
Australia: AS / NZS2772.1;
China: YD / T 1664.1
Wireless Communication EMC
EU
In the EU market, the "CE" mark is a compulsory certification mark.
Whether it is a product produced by an enterprise within the EU or
a product produced in another country, if it is to be freely
distributed in the EU market, it must be affixed with the "CE" mark
to indicate that the product Meet the basic requirements of the
European Union's "New Approach to Technical Coordination and
Standardization" directive. This is a mandatory requirement imposed
on products by EU law.
Radio and communication terminal products. Test certification
includes:
1. EMC test
2. Safety test LVD (In the new directive, this test is also
required for RF products with battery input)
3. Test of radio communication equipment (RF test) according to
European ETSI standards
4. Electrical Safety and Health Protection Testing (Health, SAR
Evaluation)
US FCC certification
FCC certification: FCC (Federal Communication Commission, Federal
Communications Commission) was established by COMMUNICATIONACT in
1934 as an independent agency of the US government. Communications
and digital products require FCC approval to enter the US market.
The FCC committee investigates and studies the various stages of
product safety to find the best way to solve the problem. At the
same time, the FCC also includes the detection of radio devices and
aircraft.
According to the relevant part of the US Federal Communications
Regulations (CFR 47), all electronic products entering the United
States are required to undergo electromagnetic compatibility
certification (except for products specifically specified in
relevant provisions). There are three common certification methods:
Certification, DoC, Verification. The authentication methods and
procedures of these three products are quite different. The
authentication methods that can be selected for different products
have relevant regulations in the FCC. Its certification is
diminishing.
For these three certifications, the FCC committee also has related
requirements for each laboratory. Generally speaking, wireless
communication products require FCC ID certification.