RSS-247, Issue 2 will be in force as of its publication on Innovation, Science and Economic Development Canada’s (ISED) website. However, a transition period of six (6) months following its publication will be provided, with in which compliance with RSS-247, Issue 2, or Issue 1,will be accepted. After this period, only applications for certification of equipment under RSS-247, Issue 2, will be accepted.
加拿大IC认证之蓝牙，wifi等无线局域网设备标准RSS-247第二版于2017年2月23日发布，过渡期6个月。在此过渡期内可接受新旧标准的测试报告，过渡期后只能按照新版标准测试。
Listed below arethe changes:
主要变化：
首先各个章节小序号原来是1，2，等数字，现在改为a,b等字母排序。
1.New section 3.3: state the requirement for emissions that fall within restricted frequency bands to comply with the provisions in RSS-Gen, General Requirements for Compliance of Radio Apparatus;
新增3.3章节，要求禁用频段内的无意辐射应满足RSS-Gen中要求。
2.Section 5.4(b): reinstated the former e.i.r.p. limit for frequency hopping systems operating in the band2400-2483.5 MHz, which employ a hopset with less than 75 channels;
章节5.4（b）设备使用信道小于75个的 e.i.r.p.限值为4W，旧标准要求是0.5W。
3.Section 6.2: add a clarification to ensure that emissions that fall within restricted frequency bands shall comply with the provisions in RSS-Gen;
6.2章节要求禁用频段内的辐射应满足RSS-Gen中要求。
4.Section 6.2: state the measurement method for power and unwanted emission limits for licence-exempt local area network devices and digital transmission systems operating in the 5 GHz band;
6.2章节规定了工作在5GHz频段设备的检测方法，频段的带宽要求推荐应以99%OBW为主。
5.Section 6.2.1 and 6.2.2: add a provision to allow original equipment manufacturer (OEM) devices installed in road vehicles to operate in the band 5150-5250 MHz with an e.i.r.p. limit of 30 mW or 1.76 + 10 log10B, dBm, whichever is less stringent;B is the 99% emission bandwidth in megahertz.
章节6.2 允许OEM使用频段band 5150-5250 MHz和 5250-5350 MHz开发车载产品，产品须符合e.i.r.p限值30 mW 或 1.76 + 10log10B, dBm,限值取两者最严格值；B 值为99%的辐射占用带宽，单位为MHz。
6.Section 6.2.1.2: clarify the requirement for devices operating in the band 5150-5250 MHz, which have bandwidth that falls into the band 5250-5350 MHz;
章节6.2.1.2 进一步澄清工作频段在5150-5250 MHz设备无用辐射要求，5150-5350 MHz带外辐射限值为-27 dBm/MHz e.i.r.p.如果5250-5350 MHz内的无用辐射低于信道功率26dB占用的带宽落在此频段内，可认为其辐射为其有意辐射，并须满足5250-5350 MHz内设备的所有要求，包括DFS,TPC等要求。
7.Section 6.2.2.2 (b): permit the requisite "for indoor use only" notice for equipment operating in the band5250-5350 MHz to be included in the user manual;
工作在5250-5350 MHz内的设备，章节6.2.2.2（b）最后一句话”shall belabelled or include in the user manual the following text “for indoor use only.”,要求警示语“for indoor use only.”放到说明书中或设备标签上，老标准只要求张贴在设备标签上。
8.Section 6.2.2.3: apply the requirement of e.i.r.p. at different elevations for equipment operating in the band5250-5350 MHz to outdoor fixed devices only;
工作在5250-5350 MHz内的设备，新增额外要求在章节6.2.2.3中，针对户外产品最大e.i.r.p.超过200mW的情况，增加在不同角度的测量要求；非户外产品最大e.i.r.p.超过200mW，须满足6.6.6.3 b i) 或 ii) 。
9.Section 6.2.4.2: modify the unwanted emission limits for LE-LAN devices and DTS operating in the band5725-5850 MHz;
更详细的规定了6.2.4.2章节的无用辐射要求。
10.Annex A: delete the word "pre-installation" to clarify that the verification of e.i.r.p. compliance at different elevations for devices operating in the band 5250-5350 MHz needs to be done at the time of certification (before installation); the verification of compliance must be submitted with the test report for equipment requiring certification.
附录A中去掉"pre-installation"。
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