4G手机指的是手机支持第四代移动通信技术，即手机能支持达到100Mbps以上下载速度。目前5G网络建设和5G手机都已经在逐步普及，但是“颠覆性”的5G应用并没有出现，目前普通用户对于4G手机出货量依然巨大。4G手机出口美国需要做的基本认证包含FCC认证。
手机FCC认证流程
1、申请商签署一份授权信给替它申请FCC证书的实验室。
2、如果申请商没有Grantee Code, 先在FCC网站上注册取得一个Grantee Code（也可由申请商授权的实验室来帮它申请）。
3、通过取得的Grantee Code号码提供FCC ID号码给授权实验室。
4、如果申请商已有Grantee Code,则无需再申请。直接提供FCC ID号码给授权实验室。
5、申请商提供认证资料给授权实验室。
6、实验室对产品进行检测并出具检测报告。
7、实验室将检测报告和认证资料一起递交申请FCC ID 证书。
8、审核检测报告和认证资料，通过后发放FCC ID证书。
4G手机的FCC认证测试标准
FCC part 15B
FCC part 15C
FCC part 22H
FCC part 24E
FCC part 27
FCC part 2(2.1093)
4G手机FCC认证测试项目
|
Standard section |
Test item |
|
FCC part 15B （For EMC） |
Conducted Emission |
|
Radiated Emission |
|
|
FCC part 15C (For Bluetooth and WiFi 2.4GHz Device) |
Conducted Emission |
|
Hopping Channel Separation |
|
|
6dB Bandwidth |
|
|
Number of Hopping Frequency |
|
|
Dwell Time |
|
|
Peak Output Power |
|
|
Radiated Spurious Emission |
|
|
Power Spectral Density |
|
|
Band Edge Emission |
|
|
Antenna Requirement |
|
|
Maximum Output Power |
|
|
FCC part 22H FCC part 24E (For GSM and WCDMA Device) |
Conducted Output Power |
|
Peak-to-Average Ratio |
|
|
Occupied Bandwidth |
|
|
Band Edge |
|
|
Effective Radiated Power |
|
|
Equivalent Isotropic Radiated Power |
|
|
Field Strength of Spurious Radiation |
|
|
Frequency Stability for Temperature & Voltage |
|
|
Conducted Emission |
|
|
FCC part 27 (For LTE Device) |
Output Power |
|
Occupied Bandwidth |
|
|
Band edge and emission mask |
|
|
Out of band emission |
|
|
Radiated Spurious Emission |
|
|
Field strength Spurious radiation |
|
|
Frequency stability |
|
|
Peak-to-average radio |
|
|
SAR test specification |
|
|
FCC part 2(2.1093) |
SAR measurement 100MHz-6GHz |
|
RF EXPOSURE report |
|
|
General RF exposure guidance |
|
|
802.11 WLAN SAR |
|
|
3G SAR procedures |
|
|
SAR for LTE Device |
|
|
Hotspot SAR |
|
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