Xiaomi Communications Co., Ltd. The Rainbow City of China Resources, NO.68, Qinghe Middle Street, Haidian District, Beijing, China To who it may concern:
We, Xiaomi Communications Co., Ltd., declare on our sole responsibility for the product of C3J as below:
The differences between FCC ID 2AFZZC3JG and 2AFFZZC3JH are as below:
1,RF spectrum Part:
C3J_B20: GSM:B2/3/5/8;WCDMA:B1/2/4/5/8; LTE TDD:B1/2/3/4/5/7/8/20; LTE FDD:B38/40;
C3J B28: GSM:B2/3/5/8;WCDMA:B1/2/4/5/8; LTE TDD:B1/2/3/4/5/7/8/20/28; LTE FDD:B38/40;
2. RF differences RF SW Part: FCC ID 2AFZZC3JG has disabled LTE B28. RF HW PART:
Use the same DRX Saw and Duplexer,for the 2AFFZZC3JH version, Added RF B28 components DRX Saw B28: SFH780AA402from Wisol Duplexer B28A: B39771B8538P810 from Epcos;
B28B: B39791B8539P810 from RF360;
3. Test plan FCC ID :2AFZZC3JG and 2AFFZZC3JH Test Items Test Conditions B20 B28 SAR WWAN WiFi 802.11a/b/g/n/ac(20)(40)(80) Head Body Head Body B28 band retest, overlap band test the worst case Part15B EMI Verify RE worse case Radiated Emission AC Conducted Emission RF Conducted Measurement All test FCC Part22H Radiated Spurious Emission WWAN Band 850 WWAN Band 1900 ERP/EIRP Test RF Conducted Measurement ERP/EIRP Test Part24E Radiated Spurious Emission Xiaomi Communications Co., Ltd. The Rainbow City of China Resources, NO.68, Qinghe Middle Street, Haidian District, Beijing, China Verify power and RSE worse case Part27L Radiated Spurious Emission Part27 Radiated Spurious Emission Part27 Radiated Spurious Emission WWAN AWS Band WWAN Other band WWAN CA band Bluetooth Radiated Spurious Emission Part15C WiFi 802.11a/b/g/n(20 Radiated Spurious Emission RF Conducted Measurement ERP/EIRP Test RF Conducted Measurement ERP/EIRP Test RF Conducted Measurement ERP/EIRP Test RF Conducted Measurement AC Conducted Emission RF Conducted Measurement AC Conducted Emission RF Conducted Measurement Radiated Spurious Emission AC Conducted Emission WiFi Part15E 802.11a/b/g/n/ac(20)(40)(80) Sincerely yours, DFS DFS Date: August 15, 2019 Name: Jiao, Xiaogang E-Mail: jiaoxiaogang@xiaomi.com Function: Product Certification Signature:
Signed for and on behalf of: Xiaomi Communications Co., Ltd. Place: The Rainbow City of China Resources,NO.68,Qinghe Middle Street,Haidian District,Beijing,China