2AW3E-A21BMultifunction Alarm Clock

使用说明书 A21-B 多功能闹钟 时钟+闹钟+无线充+蓝牙音箱+收音机+RGB彩灯（夜灯） 产品清单： 主机*1 适配器*1 使用说明书*1 产品参数： 蓝牙版本：5.3 蓝牙距离： 功能：蓝牙音乐，蓝牙通话，时钟，双闹钟，贪睡， 收音机，电台可做闹铃铃声，AUX/USB播放，无 线充，RGB彩灯，助眠夜灯，起床唤醒灯，12/24 时间制显示，USB-A输出口，蓝牙连接手机自动 同步手机时间； 喇叭功率：5W*2 充电规格： DC 9V USB-A输出：5V/1A 无线充输出：5W max 产品净重：420g 产品尺寸：170*105*85mm 使用说明： 开机/关机：连接原配适配器，连接电源可以直接开机， 开机成功，屏幕显示，底部多彩灯效亮起；开机默认为 时钟模式，断开电源直接关机； 蓝牙连接：单击模式键，切换选择蓝牙模式，打开手机 蓝牙，点击配对名“A21-B”进行连接，蓝牙连接成功后 会自动同步手机时间到时钟上，连接后即可进行音乐 播放； 模式切换：单击模式切换键，切换蓝牙/收音/AUX/USB 播放模式； 时钟设置：长按时间设置键3秒进入时钟设置，短按切 换时/分设置，单击加或减键调整时间，长按确定设置 （ 温馨提示：连接蓝牙可自动同步手机时间） 闹钟及铃声设置：长按闹钟1或闹钟2进入闹钟1或闹钟 2设置，单击加减键切换设置闹铃时间与闹铃； (闹钟响起，底部暖白灯光呼吸亮起至最亮，闹铃结束， 灯光关闭) 闹钟开启或关闭：单击“闹钟/闹铃键”开启/关闭闹钟（ 可观察屏幕闹钟标识确认闹钟的开启状态） 电台设置成闹钟铃声：FM收音模式下，电台搜索完成后 ，调到喜欢听的电台，双击“闹钟1或闹钟2”键将当前电 台默认到闹铃1/闹铃2做闹铃铃声，也可以进入铃声设 置里切换铃声； 贪睡功能：闹钟响起状态下：单击“贪睡键”闹钟贪睡9 分钟，闹铃响起状态下长按贪睡键关闭当前闹铃。单击 闹钟1或闹钟2设置键，关闭闹钟，可通过屏幕观察贪睡 开启/关闭状态； 屏幕亮度调整：单击“贪睡/灯效键”可循环调整屏幕亮 度，共5挡亮度选择，最后一档为关闭屏幕， 灯效切换：双击“贪睡/灯效键”可切换RGB灯效，单击可 调节亮度，共6种灯效，最后一种灯效为关闭灯（白光/ 暖白光/暖光灯可做小夜灯功能）； AUX/USB播放：连接AUX转接线或插入U盘，自动切换 到AUX或USB模式播放歌曲，也可以通过模式键切换播 放模式； 无线充充电:手机放到闹钟顶部无线充充电区域，自动 识别进行充电（注意：手机需支持无线充电功能） USB-A充电：用USB充电线连接主机USB-A充电口既可 以给手机等设备充电； 播放控制：可通过单击暂停键/上一曲键/下一曲键来控 制播放状态； 12/24H切换：长按“播放暂停键”3秒切换12/24H时间 制显示； 收音机使用：单击“模式切换键”选择FM模式，长按“暂 停键”进行电台搜索，单击“暂停键”暂停或播放；双击“ 暂停键”当前电台存储为闹铃铃声； （*注意：FM模式使用时，请将天线拉开至最长，并靠近 窗户位置） 注意事项： 1.提醒您勿在高温，潮湿，多尘的环境下使用 2.提醒您，使用过程中避免本机摔落或与硬物撞击，避 免接触水等液体，避免可能导致本机损坏 3.请勿用高温烘烤本机，否则易烧毁或使机器内部元器 件损坏 4.如果机器出现异常，请联系我们进行售后处理 非常感谢您的信任与 支持，希望您从说明书中得到所 需要的产品信息，并享受该产品带来的乐趣； 您的满意，我们的追求！ 面板功能：接口功能：显示面板： 模式切换/开/关灯 闹钟1 闹钟2 时钟设置/贪睡/灯效切换 /亮度调节 无线充 12/24H切换/FM 搜台键 AUX IN:DC 9V OUT/NI:USB-A 加键 减键 贪睡标识：贪睡开启，标识常亮,贪睡关闭，灯灭； 电源标识：连接电源，蓝灯亮，随屏幕亮度变化 闹钟1标识：闹钟1开启常亮，关闭状态下灯 闹钟2标识：闹钟2开启常亮，关闭状态下灯灭 音频标识：AUX音频模式下，常亮 蓝牙标识：蓝牙模式下，未连接闪烁，连接后 闪电标识：手机无线充充电状态下，蓝灯慢闪， 充满电，蓝灯常亮，异物检测红灯常亮； 12小时制标识：切换12小时制，标识常亮 收音机标识:收音机模式下，标识常亮 24小时制标识：切换24小时制，标识常亮 温馨提示：连接蓝牙可自动同步手机时间 DC 9VUSB-AAUX Instruction manual A21-B Multi-function alarm clock Clock + alarm clock + wireless charger + Bluetooth speaker + radio +RGB color lights (night lights) Product list: Host *1 Adapter *1 Instruction manual *1 Product parameters: Bluetooth version: 5.3 Bluetooth distance: Features: Bluetooth music, Bluetooth call, clock, double alarm clock, snooze, radio, radio can make alarm bell, AUX/USB playback, wireless charging, RGB color lights, sleep night lights, wake up and wake up lights, 12/24 time system display, USB-A output, Bluetooth connected mobile phone automatically synchronize mobile phone time; Horn power: 5W*2 Charging specification: DC 9V USB-A output: 5V/1A Wireless charging output: 5W max Instructions for use: Power on/off: connect the original adapter, connect the power supply can directly boot, boot successfully, the screen display, the bottom of the multi-color light effect light up; Boot default clock mode, turn off the power directly; Bluetooth connection: Click the mode key, switch to select Bluetooth mode, turn on the Bluetooth of the phone, click the pairing name "A21-B" to connect, after the Bluetooth connection is successful, the phone time will be automatically synchronized to the clock, and music can be played after the connection; Mode switch: Click mode switch key to switch Bluetooth/radio /AUX/USB playback mode; Clock setting: Long press the time setting key for 3 seconds to enter the clock setting, short press the switch hour/minute setting, click the plus or minus key to adjust the time, and long press to confirm the setting (Tips: Bluetooth connection can automatically synchronize the phone time) Set alarm clock and alarm clock: press and hold Alarm clock 1 or alarm clock 2 to enter the setting of alarm clock 1 or alarm clock 2, and click the Add or subtract key to switch the setting of alarm time and alarm clock. (The alarm clock rings, the bottom warm white light breathing lights up to the brightest, the alarm ends, the light turns off) Snooze function: When the alarm is ringing: click Snooze. Snooze for 9 minutes. When the alarm is ringing, hold down the snooze button to disable the current alarm. Click the set key of alarm 1 or Alarm 2 to turn off the alarm clock and observe the status of snooze on/off through the screen. Screen brightness adjustment: Click "snooze/Light effect key" to adjust the screen brightness cycle, a total of 5 brightness choices, the last gear is to close the screen, Light effect switch: Double click "snooze/Light effect key" to switch RGB light effect, click to adjust the brightness, a total of 6 light effects, the last light effect is to turn off the light (white light/warm white light/warm light can do night light function); AUX/USB playback: Connect the AUX transfer cable or insert the U disk, automatically switch to AUX or USB mode to play songs, you can also switch the playback mode through the mode key; Wireless charging: The mobile phone is placed in the wireless charging area on the top of the alarm clock and automatically recognized for charging (Note: the mobile phone needs to support wireless charging function) Usb-a charging: Connect the host USB-A charging port with A USB charging cable to charge devices such as mobile phones; Play control: You can control the play state by clicking pause/up/down key; 12/24H switch: Long press the "Play Pause button" for 3 seconds to switch the 12/24H time system display; Radio use: Click "Mode switch key" to select FM mode, long press "Pause key" to search for radio station, click "pause key" to pause or play; Double click "Pause" button to save the current radio as the alarm tone; (* Note: When using FM mode, please open the antenna to the longest position and close to the window) Note: 1. Remind you not to use in high temperature, wet, dusty environment 2. Remind you to avoid falling or hitting with hard objects during use, avoid contact with water and other liquids, and avoid possible damage to the machine 3. Do not bake the machine at high temperature, otherwise it is easy to burn or damage the internal components of the machine 4. If the machine is abnormal, please contact us for after-sales…

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(Shenzhen Kenuo Digital Technology Co., Ltd) (2024.12.5) 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: 2AW3E-A21B) [Shenzhen Kenuo Digital Technology Co., Ltd] (“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) Weibiao Zhao (Shenzhen Kenuo Digital Technology Co., Ltd) (2024.12.5) 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: 2AW3E-A21B) [Shenzhen Kenuo Digital Technology Co., Ltd] (“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) Weibiao Zhao

Shenzhen Kenuo Digital Technology Co., Ltd 2024.12.5 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing 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, Client’s signature: Client’s name / title : Weibiao Zhao / Manager Contact information / address:3A01, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen, China

Shenzhen Kenuo Digital Technology Co., Ltd 2024.12.5 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Multifunction Alarm Clock Trademark: CARVAAN MODEL: A21-B A29, AL01, AL02, AL03, AL05, AL07, AL08 FCC ID: 2AW3E-A21B 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 - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Weibiao Zhao / Manager Contact information / address:3A01, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen, China

Shenzhen Kenuo Digital Technology Co., Ltd Model Difference 2024.12.5 EUT NAME: Multifunction Alarm Clock Trademark: CARVAAN FCC ID: 2AW3E-A21B MODEL : A21-B A29, AL01, AL02, AL03, AL05, AL07, AL08 All the model are the same circuit and RF module, except appearance color and model name. Regards Sincerely Client’s signature: Client’s name / title : Weibiao Zhao / Manager Contact information / address:3A01, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen, China

External Photos

Label & label location Size:10*5mm FCC ID: 2AW3E-A21B This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation

Internal Photos FM receiving antenna Wireless Charging Antenna BT Antenna BLE Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID:2AW3E-A21B 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=0.2m TEST RESULTS For the Max simultaneous transmission: Simultaneous transmitting =0.00550/1+0.00864/1=0.01414≤ 1.0 Conclusion: For the max result : 0.01414≤ 1.0, compliance with FCC's RF Exposure Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW/ cm2) Result BT 4±1 5 3.16 0.875 (-0.58dBi) 0.00550 1 Pass BLE 2±1 3 2.00 2.178 (3.38dBi) 0.00864 1 Pass

Summary Inverted F Antenna Specification ITEM ANT SPEC Model Name 2.4G ANT(PCB) Center Frequency Horizontal Vertical 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.2mm Manufacture SHENZHEN RENYUAN TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Sc Frequency (MHz) Gain(dB) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/di Frequency (MHz) Gain(dB) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432

No.：BCTC/RF-EMC-005 Page: 1 of 86 Edition：B.2 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2407884229-1E Applicant: Shenzhen Kenuo Digital Technology Co., Ltd Product Name: Multifunction Alarm Clock Test Model: A21-B Tested Date: 2024-08-20 to 2024-11-28 Issued Date: 2024-11-28 Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 2 of 86 Edition：B.2 FCC ID:2AW3E-A21B 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 BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Multifunction Alarm Clock Trademark: CARVAAN Model/Type reference: A21-B A29, AL01, AL02, AL03, AL05, AL07, AL08 Prepared For: Shenzhen Kenuo Digital Technology Co., Ltd Address: 3A01, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen Manufacturer: Shenzhen Kenuo Digital Technology Co., Ltd Address: 3A01, Building U3, Junxiang U8 Intelligent Manufacturing Industrial Park, Guxing Community, Xixiang Street, Baoan District, Shenzhen Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2024-08-20 Sample tested Date: 2024-08-20 to 2024-11-28 Issue Date: 2024-11-28 Report No.: BCTC2407884229-1E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report. Tested by: Approved by: Tang Changyu/ Project Handler Zero Zhou/Reviewer Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 3 of 86 Edition：B.2 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 13 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 19 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 25 8.1 Block Diagram Of Test Setup .............................................................................. 25 8.2 Limit .................................................................................................................... 25 8.3 Test procedure .................................................................................................... 26 8.4 EUT operating Conditions ................................................................................... 26 8.5 Test Result .......................................................................................................... 27 9. Spurious RF Conducted Emissions ..................................................................... 28 9.1 Block Diagram Of Test Setup .............................................................................. 28 9.2 Limit .................................................................................................................... 28 9.3 Test procedure .....................................................…

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Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 59 of 86 Edition：B.2 Power NVNT 2-DH1 2441MHz Power NVNT 2-DH1 2480MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 60 of 86 Edition：B.2 Power NVNT 3-DH1 2402MHz Power NVNT 3-DH1 2441MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 61 of 86 Edition：B.2 Power NVNT 3-DH1 2480MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 62 of 86 Edition：B.2 12. Hopping Channel Separation 12.1 Block Diagram Of Test Setup 12.2 Limit Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 0.125W. 12.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 30kHz. VBW = 100kHz , Span = 2.0MHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. Use the marker-delta function to determine the separation between the peaks of the adjacent channels. The limit is specified in one of the subparagraphs of this Section Submit this plot. 12.4 Test Result Temperature: 26°C Relative Humidity: 54% Test Voltage: AC 120V/60Hz Remark: N/A Condition Mode Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH1 2401.874 2402.874 1 0.576 Pass NVNT 1-DH1 2440.87 2441.872 1.002 0.571 Pass NVNT 1-DH1 2478.868 2479.868 1 0.568 Pass NVNT 2-DH1 2401.872 2402.872 1 0.831 Pass NVNT 2-DH1 2440.87 2441.872 1.002 0.825 Pass NVNT 2-DH1 2478.868 2479.87 1.002 0.842 Pass NVNT 3-DH1 2402.034 2403.034 1 0.815 Pass NVNT 3-DH1 2441.03 2442.03 1 0.81 Pass NVNT 3-DH1 2479.028 2480.028 1 0.809 Pass Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 63 of 86 Edition：B.2 Test Graphs CFS NVNT 1-DH1 2402MHz CFS NVNT 1-DH1 2441MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 64 of 86 Edition：B.2 CFS NVNT 1-DH1 2480MHz CFS NVNT 2-DH1 2402MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 65 of 86 Edition：B.2 CFS NVNT 2-DH1 2441MHz CFS NVNT 2-DH1 2480MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 66 of 86 Edition：B.2 CFS NVNT 3-DH1 2402MHz CFS NVNT 3-DH1 2441MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 67 of 86 Edition：B.2 CFS NVNT 3-DH1 2480MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 68 of 86 Edition：B.2 13. Number Of Hopping Frequency 13.1 Block Diagram Of Test Setup 13.2 Limit Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. 13.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 100kHz. VBW = 300kHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. It may prove necessary to break the span up to sections. in order to clearly show all of the hopping frequencies. The limit is specified in one of the subparagraphs of this Section. 4. Set the spectrum analyzer: Start Frequency = 2.4GHz, Stop Frequency = 2.4835GHz. Sweep=auto; 13.4 Test Result Temperature: 26°C Relative Humidity: 54% Test Voltage: AC 120V/60Hz Remark: N/A Condition Mode Hopping Number Limit Verdict NVNT 1-DH1 79 15 Pass NVNT 2-DH1 79 15 Pass NVNT 3-DH1 79 15 Pass Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 69 of 86 Edition：B.2 Test Graphs Hopping No. NVNT 1-DH1 2441MHz Hopping No. NVNT 2-DH1 2441MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 70 of 86 Edition：B.2 Hopping No. NVNT 3-DH1 2441MHz Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 71 of 86 Edition：B.2 14. Dwell Time 14.1 Block Diagram Of Test Setup 14.2 Limit Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. The average time of occupancy on any channel shall not be greater than 0.4 seconds within a period of 0.4 seconds multiplied by the number of hopping channels employed. Frequency hopping systems may avoid or suppress transmissions on a particular hopping frequency provided that a minimum of 15 channels are used. 14.3 Test procedure 1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set spectrum analyzer span = 0. Centred on a hopping channel; 3. Set RBW = 1MHz and VBW = 3MHz.Sweep = as necessary to capture the entire dwell time per hopping channel. Set the EUT for DH5, DH3 and DH1 packet transmitting. 4. Use the marker-delta function to determine the dwell time. If this value varies with different modes of operation (e.g.. data rate. modulation format. etc.). repeat this test for each variation. The limit is specified in one of the subparagraphs of this Section. Submit this plot(s). Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 72 of 86 Edition：B.2 14.4 Test Result Temperature: 26°C Relative Humidity: 54% Test Voltage: AC 120V/60Hz Remark: N/A Condition Mode Frequency (MHz) Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict NVNT 1-DH1 2441 0.405 129.195 319 31600 400 Pass NVNT 1-DH3 2441 1.644 282.768 172 31600 400 Pass NVNT 1-DH5 2441 2.909 305.445 105 31600 400 Pass NVNT 2-DH1 2441 0.413 131.747 319 31600 400 Pass NVNT 2-DH3 2441 1.657 278.376 168 31600 400 Pass NVNT 2-DH5 2441 2.912 285.376 98 31600 400 Pass NVNT 3-DH1 2441 0.412 131.428 319 31600 400 Pass NVNT 3-DH3 2441 1.663 281.047 169 31600 400 Pass NVNT 3-DH5 2441 2.907 302.328 104 31600 400 Pass Note: Total Dwell Time (ms) = Pulse Time (ms)*Burst Count Report No.:BCTC2407884229-1E No.：BCTC/RF-EMC-005 Page: 73 of 86 Edition：B.2 Test Graphs Dwell NVNT 1-DH1 2441MHz One Burst Dwell NVNT 1-DH1 2441MHz Acc…

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17. EUT Test Setup Photographs Conducted emissions Radiated Measurement Photos 9kHz-30MHz 30MHz-1GHz Above 1Ghz