概述
FCC Part 22 subpart H, FCC Part 24 subpart E, FCC Part 27是关于美国2G, 3G, 4G移动通信的电磁兼容要求和测试方法。
2G第二代手机通信技术规格,以数字语音传输技术为核心。测试标准FCC Part 22 subpart H and FCC Part 24 subpart E,测试频段GSM850, GSM1900,包含以下频段:
GSM850(824~849MHz) | ||
128 | 190 | 251 |
824.2MHz | 836.6MHz | 848.8MHz |
GSM1900(1850~1910MHz) | ||
512 | 661 | 810 |
1850.2MHz | 1880.0MHz | 1909.8MHz |
2G通信包含GSM,G PRS, EGPRS。GPRS采用GMSK调制;EGPRS采用8PSK调制。
3G,第三代通信系统,它能够处理图像、音乐、视频流等多种媒体形式,提供多种信息服务。测试标准FCC Part 22 subpart H and FCC Part 24 subpart E,测试频段band2,band4,band5; 包含以下频段:
Band II (1850-1910/1930-1990MHz)
Test frequency ID | UARFCN | Frequency of Uplink | UARFCN | Frequency of Downlink |
Low Range | 9262 | 1852.4MHz | 9663 | 1932.6MHz |
Mid Range | 9400 | 1880MHz | 9800 | 1960MHz |
High Range | 9538 | 1907.6MHz | 9937 | 1987.4MHz |
Band IV (1710-1755/2110-2155MHz)
Test frequency ID | UARFCN | Frequency of Uplink | UARFCN | Frequency of Downlink |
Low Range | 1312 | 1712.4MHz | 1538 | 2112.6MHz |
Mid Range | 1412 | 1732.4MHz | 1675 | 2140.0MHz |
High Range | 1513 | 1752.6MHz | 1737 | 2152.4MHz |
Band V (824-849/869-894MHz)
Test frequency ID | UARFCN | Frequency of Uplink | UARFCN | Frequency of Downlink |
Low Range | 4132 | 826.4MHz | 4358 | 871.6MHz |
Mid Range | 4183 | 836.6MHz | 4400 | 880MHz |
High Range | 4233 | 846.6MHz | 4457 | 891.4MHz |
4G,是第四代通讯技术的简称,4G系统能够以100Mbps的速度下载,上传的速度也能达到20Mbps,速度几乎能够满足用户对于无线服务的要求。测试标准FCC Part 22 subpart H, FCC Part 24 subpart E and FCC Part 27,包含以下频段:
频段 | 范围 | |
FDD-LTE Band 2: | 1850 MHz ~ 1910 MHz | Part 24 (E) |
FDD-LTE Band 4: | 1710 MHz ~ 1755 MHz | Part 27 (L) |
FDD-LTE Band 5: | 824 MHz ~ 849 MHz | Part 22 (H) |
FDD-LTE Band 7: | 2500 MHz ~ 2570 MHz | Part 27 (M) |
FDD-LTE Band 12: | 699 MHz ~ 716 MHz | Part 27 (H) |
FDD-LTE Band 13: | 777 MHz ~ 787 MHz | Part 27 (F) |
FDD-LTE Band 14: | 788 MHz ~ 798 MHz | Part 27 (E) + Part 90 (R) |
FDD-LTE Band 17: | 704 MHz ~ 716 MHz | Part 27 (H) |
FDD-LTE Band 23: | 2000 MHz ~ 2020 MHz | Part 27 (L) |
FDD-LTE Band 25: | 1850 MHz ~ 1915 MHz | Part 24 (E) |
FDD-LTE Band 26: | 814 MHz ~ 849 MHz | Part 22 (H) + Part 90 (S) |
FDD-LTE Band 27: | 807 MHz ~ 824 MHz | Part 90 (S) |
TDD-LTE Band 35: | 1850 MHz ~ 1910 MHz | Part 24 (E) |
TDD-LTE Band 36: | 1930 MHz ~ 1990 MHz | Part 24 (E) |
TDD-LTE Band 38: | 2570 MHz ~ 2620 MHz | Part 27 (M) |
TDD-LTE Band 40: | 2300 MHz ~ 2400 MHz | Part 27 (D) |
TDD-LTE Band 41: | 2496 MHz ~ 2690 MHz | Part 27 (M) |
TDD-LTE Band 43: | 3600 MHz ~ 3800 MHz | Part 90 (Z) |
Band2/4/5/7/12/13/14/17/23/25/26/27是FDD,band 35/36/38/40/41/43是TDD。 【FDD: Frequency Division Duplex(频分双工) TDD :Time Division Duplex(时分双工)】
适用范围
适用于移动通讯与数据传输设备(手机,平板,笔记本,GPRS定位器等设备)
测试能力
此标准包含了发射要求,信测的仪器设备、场地、环镜和人员等符合标准要求,可以完成FCC Part 22 subpart H, FCC Part 24 subpart E, FCC Part 27的检测认证,手机,平板,笔记本需要考虑SAR的测试。
样品数量/辅助设备
测试至少提供三套样品:一套完整的用来测试EMC;一套有RF连接线的用来测试RF发射与接收;一套有RF定频指令的完整样机测试辐射杂散,以及相关的辅助或周边设备,比如适配器,进入工程模式的指令等。
测试周期
一般产品的周期为7个工作日,如果产品支持2G,3G,4G周期为12个工作日
测试项目与仪器
序号 | 名称 | 型号 |
1 | CMW500无线通信综合测试仪 | CMW500 |
2 | CMU200 通用无线通信测试仪 | CMU200 |
FCC Part 22 subpart H, FCC Part 24 subpart E测试项目(2G/3G):
FCC Rules | Description of Test Item |
§1.1307, §2.1093 | RF Exposure |
§22.913 (a),§24.232 (c) | RF Output Power |
§24.51 | Peak-to-average Ratio (PAR) of Transmitter |
§22.917 (b),§24.238 (b) | Emission Bandwidth |
§22.917 (a),§24.238 (a) | Spurious Emissions at Antenna Terminal |
§22.917 (a),§24.238 (a) | Spurious Radiation Emissions |
§22.917 (a),§24.238 (a) | Out of Band Emissions |
§22.917 (a),§24.235 | Frequency Stability |
FCC Part 22 subpart H, FCC Part 24 subpart E, FCC Part 27测试项目(4G):
FCC Rules | Description of Test Item |
§1.1307, §2.1093 | RF Exposure |
§24.232 (c), §27.50 | RF Output Power |
§24.51,§27.50 | Peak-to-average Ratio (PAR) of Transmitter |
§24.238 (b),§27.53 | Emission Bandwidth |
§24.238 (a),§27.53 | Spurious Emissions at Antenna Terminal |
§24.238 (a) ,§27.53 | Spurious Radiation Emissions |
§24.238 (a) ,§27.53 | Out of Band Emissions |
§24.235,§27.54 | Frequency Stability |
中级会员
深圳信测标准技术服务股份有限公司
民营企业500人以上独立实验室0个服务行业
材料电子电器化妆品能源农业生物医学食品消费品相关检测
ISTA运输包装测试
3C产品检测-CCC产品认证-缺陷检查
动物源组织指令 (2003/32/EEC)_医疗器械CE认证
资产管理体系认证