
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
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(shenzhenshichaorendakejiyouxiangongsi) (August 16, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BCHS-APP-SL-C) [shenzhenshichaorendakejiyouxiangongsi] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) CAO YAN (shenzhenshichaorendakejiyouxiangongsi) (August 16, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BCHS-APP-SL-C) [shenzhenshichaorendakejiyouxiangongsi] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) CAO YAN
shenzhenshichaorendakejiyouxiangongsi Model Difference Data:September 15, 2023 Product description: APP curtain lamp Model name: APP-SL-C, APP-SL-WW, APP-SL-CW, APP-SL-RGB, APP-SL-B, APPC-SPLM1*1-C, APPC-SPLM1*1-WW, APPC-SPLM1*1-CW, APPC-SPLM1*1-RGB, APPC-SPLM1*1-B, APPC-SPLM2*2-C, APPC- SPLM2*2-WW, APPC-SPLM2*2-CW, APPC-SPLM2*2-RGB, APPC-SPLM2*2- B, APPC-SPLM3*3-C, APPC-SPLM3*3-WW, APPC-SPLM3*3-CW, APPC- SPLM3*3-RGB, APPC-SPLM3*3-B, CTree-RCGreen, CTree-RCTrans, CTree- AppRCGreen, CTree-AppRCTrans, CTLeaf-AppRCGreen Trade Name: N/A FCC ID: 2BCHS-APP-SL-C All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : CAO YAN(Owner) Contact information / address:luohuqunanhujiedaojiabeishequyingchunlu12hao, haiwailianyidasha1303-1180, Shenzhen, Guangdong China
shenzhenshichaorendakejiyouxiangongsi (September 15, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (APP curtain lamp / APP-SL-C, APP-SL- WW, APP-SL-CW, APP-SL-RGB, APP-SL-B, APPC-SPLM1*1-C, APPC-SPLM1*1-WW, APPC-SPLM1*1-CW, APPC-SPLM1*1-RGB, APPC-SPLM1*1-B, APPC-SPLM2*2-C, APPC-SPLM2*2-WW, APPC-SPLM2*2-CW, APPC-SPLM2*2-RGB, APPC-SPLM2*2-B, APPC-SPLM3*3-C, APPC-SPLM3*3-WW, APPC-SPLM3*3-CW, APPC-SPLM3*3-RGB, APPC-SPLM3*3-B, CTree-RCGreen, CTree-RCTrans, CTree-AppRCGreen, CTree-AppRCTrans, CTLeaf-AppRCGreen / FCC ID: 2BCHS-APP-SL-C) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: CAO YAN Title: Owner
shenzhenshichaorendakejiyouxiangongsi (August 16, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: CAO YAN Title: Owner
External Photos APP-SL-C CTLeaf-AppRCGreen CTree-RCGreen CTree-RCTrans
FCC ID LABEL: Label Location: FCC ID: 2BCHS-APP-SL-C Model No.: APP-SL-C
Internal Photos ANT
FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BCHS-APP-SL-C Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK& HCH 0±1 1 1 1 (0dBi) 0.0002 1 Pass
BT天线性能测试 BT antenna performance test APPlications ※BT 2.4GHz applications 一、Dimensions 二、Spe cifications n umber Item Specifications 1 Worki ng Central Frequency 2440 MHz 2 Band Wi dth (2400-2480)MHz 3 Gain 0dB i 4 VSWR ≤2.0 5 An tenna type PCB antenna 7 I mpedance 50 欧姆 三、Test result chart Efficiency Peak Gain Directivity 2400MHz 38.57% -0.5dBi-0.15dB i 2450MHz 39.45% 0dBi 1.44dBi 2480MHz 38.33% -0.7dBi-0.20dB i 共轭匹配后 未 进行匹配前的阻抗数据 Impedance data before matching 1、Return Loss(匹配后的阻抗) Mkr1:2402MHz Mkr2:2434MHz Mkr3:2460MHz Mkr4:2492MHz Mkr1:-19.7db Mkr2:-20.1db Mkr3:-19.6db Mkr4:-18.3db 2、VSWR Mkr1:2402MHz Mkr2:2434MHz Mkr3:2460MHz Mkr4:2492MHz Mkr1:1.22 Mkr2:1.24 Mkr3:1.28 Mkr4:1.33
Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230728008RFX Report Tel: 4008-707-283Web: http://www.ctb-lab.net Page 1 of 54 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: APP curtain lamp FCC ID: 2BCHS-APP-SL-C Trademark: N/A Model Number: APP-SL-C, APP-SL-WW, APP-SL-CW, APP-SL-RGB, APP-SL-B, APPC-SPLM1*1-C, APPC-SPLM1*1-WW, APPC-SPLM1*1-CW, APPC-SPLM1*1-RGB, APPC-SPLM1*1-B, APPC-SPLM2*2-C, APPC-SPLM2*2-WW, APPC-SPLM2*2-CW, APPC-SPLM2*2-RGB, APPC-SPLM2*2-B, APPC-SPLM3*3-C, APPC-SPLM3*3-WW, APPC-SPLM3*3-CW, APPC-SPLM3*3-RGB, APPC-SPLM3*3-B, CTree-RCGreen, CTree-RCTrans, CTree-AppRCGreen, CTree-AppRCTrans, CTLeaf-AppRCGreen Prepared For: shenzhenshichaorendakejiyouxiangongsi Address: luohuqunanhujiedaojiabeishequyingchunlu12hao,haiwailianyidasha1303-1180, Shenzhen,Guangdong China Manufacturer: shenzhenshichaorendakejiyouxiangongsi Address: luohuqunanhujiedaojiabeishequyingchunlu12hao,haiwailianyidasha1303-1180, Shenzhen,Guangdong China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Jul. 25, 2023 Sample tested Date: Jul. 25, 2023 to Jul. 28, 2023 Issue Date: Jul. 28, 2023 Report No.: CTB230728008RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230728008RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 54 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 10 6.1 Block Diagram Of Test Setup ......................................................................................................... 10 6.2 Limit ................................................................................................................................................ 10 6.3 Test procedure ............................................................................................................................... 10 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED SPURIOUS EMISSION ............................................................................................. 20 7.1 Block Diagram Of Test Setup ......................................................................................................... 20 7.2 Limit ................................................................................................................................................ 20 7.3 Test procedure ............................................................................................................................... 21 7.4 Test Result ..................................................................................................................................... 22 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 33 8.1 Block Diagram Of Test Setup ......................................................................................................... 33 8.2 Limit ................................................................................................................................................ 33 8.3 Test procedure ..........…
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Radiated Emissions APP-SL-C: Below 1G APP-SL-C: Above 1G CTLeaf-AppRCGreen: Below 1G CTree-RCGreen: Below 1G CTree-RCTrans: Below 1G ‘ Conducted emission APP-SL-C: CTLeaf-AppRCGreen: CTree-RCGreen: CTree-RCTrans:
luohuqunanhujiedaojiabeishequyingchunlu · Shenzhen, Guangdong · China
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 820.00 µW |

String Lights
Equipment Class
DTS - Digital Transmission System