ZGM-AUC18239Mini Radio

AUC-18239 Introduction to Panel Button Function RF exposure statement This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. This equipment meets the exemption from the routine evaluation limits in section 2.5 of RSS-102. It should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. Cet équipement est conforme à l'exemption des limites d'évaluation habituelle de la section 2.5 de la norme RSS-102. Il doit être installé et utilisé à une distance minimale de 20 cm entre le radiateur et toute partie de votre corps. FCC Warning 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. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. IC WARNING This device contains licence-exempt transmitter(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. Remove: Removed the step that a short press and the alarm clock time display on LCD screen before adjusting alarm time. In Bluetooth mode, changed Tuner+/- to go to the next song/previous song In 6. EQ changed to DSP. In 7. BOOTS changed to LOUD. In 10. removed USA2. Add: In Bluetooth mode HFP ON,short press to call back the latest number. ADD: Enter the WB mode, the radio will automatically search the strongest station. This area displays mode information. 1. In radio mode, the radio frequency is displayed. 2. In the supported Bluetooth mode, song track information will be displayed. a. Press the Play/Pause Button to pause Bluetooth playback, and press the Play/Pause Button again to resume playback. b. Press the tuner + button to select the next song, and press the tuner button - to select the previous song. You can answer the incomig call by pressing the answer Button, and you can end the call by pressing the hangup button or reject the incoming call. c. Press the VOL+/- button and the MENU button to adjust the volume and sound effects. Short press when the LCD displays the word RPT ONE, and the single song repeats playback. Short press again for after the RPT ALL word on the LCD disappears, and all song repeats playback. Short press again after the RPT OFF word on the LCD, and the single song repeat playback is canceled. 3. In the radio mode, press and hold the AUX/BT button for 3 seconds to automatically search and preview radio stations. 4. In AUX mode, long press turner + for 3 secs to check the MCU version. LCD Display 2. Enter the WB mode, the radio will automatically search the strongest station. AUX/BT Button 1. Enter AUX mode, short press AUX/BT button, the LCD screen will display the AUX IN character, after passing the portable audio device (such as mobile phone/MP3/IPOD, etc.), the AUX audio is input to the radio for playback, and you can use the VOL+/- button of the radio And MENU button to adjust the volume and sound effect adjustment. 2. Open the Bluetooth setting program on the mobile device and activate the Bluetooth function. After scanning the Bluetooth name of John Deere, select to connect the two devices. After the connection is successful, there will be a Bluetooth icon displays on the LCD screen, short press the AUX/BT button, when BT AUDIO displays on the LCD screen, the audio of your mobile device can be played on the radio at this time. NOTE: Use the AUX/BT button (the mobile device must be connected to the radio first). 2. If asked to enter the code "0000". You can also operate some functions through the control buttons on the panel: 2. In Bluetooth mode, press to pause or play. Vol +/- Button 1. Press VOL + in any mode to increase the volume. 2. Press VOL - to decrease the volume. AM/FM Button 1. Short press this button to cycle switch between FM1/FM2/FM3/AM1/AM2/WB. 2/Answer Button 1. After receiving a ra…

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Reference No.: WTX21X12140074W001 Page 2 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Reference No.: WTX21X12140074W001 Page 3 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 3 EUT View 4 Reference No.: WTX21X12140074W001 Page 4 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 5 EUT View 6 Reference No.: WTX21X12140074W001 Page 5 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 7 EUT View 8

Reference No.: WTX21X12140074W001 Page 1 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: ZGM-AUC18239 Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTX21X12140074W001 Page 6 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 Solder Board-Component View 1 Reference No.: WTX21X12140074W001 Page 7 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 2 Solder Board-Component View 3 Reference No.: WTX21X12140074W001 Page 8 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 4 Solder Board-Component View 5 Reference No.: WTX21X12140074W001 Page 9 of 12 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: MAGNADYNE CORPORATION Address of applicant: 1111 W. Victoria Street, Compton, CA. 90220-5898 Manufacturer: The same as Applicant Address of manufacturer: The same as Applicant General Description of EUT: Product Name: Mini Radio Trade Name / Model No.: AUC18239 Adding Model(s): / Rated Voltage: DC 12V Battery Capacity: / FCC ID: ZGM-AUC18239 Equipment Type: Portable device Technical Characteristics of EUT: Bluetooth Bluetooth Version: V5.0 (BR/EDR mode) Frequency Range: 2402-2480MHz RF Output Power: 1.62dBm (Conducted) Data Rate: 1Mbps, 2Mbps, 3Mbps Modulation: GFSK, π/4 DQPSK, 8DPSK Quantity of Channels: 79 Channel Separation: 1MHz Type of Antenna: External Antenna Antenna Gain: 3.3dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and KDB 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Prediction Frequency Output Power Antenna Gain Duty Cycle Tune-Up Time-Averaged Power ERP (MHz) (dBm) (dBi) (%) (dBm) (dBm) Bluetooth 2402 1.62 3.3 100 2.00 3.15 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 2402 C 20.00 3.15 2.07 768.00 0.01 Pass Note: 1. Time-Averaged Power=Output Power * Duty Cycle; ERP= Time-Averaged Power+ Antenna gain-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, P th (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Simultaneous Ratio Limit Result Pass/Fail -- -- -- -- -- -- Result: Pass

1 1.Project specification NC Content Page Number 1 Project specification 1 2 Electrical performance test report 2 3 Product graph 2 4 Network analyzer graph 3 5 Efficiency and Gain test results 4 6 Radiation pattern 5 170.00 mm Manufacturer: SHENZHEN TOKWA PRECISION TECHNOLOGY CO., LTD . Address: Guangdong Province, P.R.China A5 Building, Tongxin Industrial Zon, No.87, Tongxin Road, Longgang District, Shenzhen City, External Antenna Model No.: AUC18239 3 4.Network analyzer graph 4 5.Efficiency and Gain test results Frequency：2.402-2.480GHz Frequency Point(MHz) Efficiency(%) Efficiency(dB ) Gain(dBi) 2400 60.56% -2.2 3.1 2410 61.20% -2.1 3.1 2420 65.76% -1.8 3.3 2430 65.29% -1.9 3.2 2440 61.95% -2.1 2.8 2450 63.69% -2.0 2.8 2460 63.38% -2.0 2.6 2470 69.39% -1.6 2.9 2480 73.52% -1.3 3.1 Mean value 64.97% -1.88 2.98 5 6.Radiation pattern 3D Diagram: 2.400GHZ Diagram： (T h eta 0) 6 （P hi 0） （Phi 9 0） 7 (T heta 0) （P hi 0） 2.440GHz Diagram: 8 ( Theta 0) （Phi 9 0） 2 .4 80GHz Diagram 9 （P hi 0） （Phi 90）

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 61 TEST REPORT Reference No. .................... : WTX21X12140074W001 FCC ID ................................ : ZGM-AUC18239 Applicant ........................... : MAGNADYNE CORPORATION Address ............................. : 1111 W. Victoria Street, Compton, CA. 90220-5898 Manufacturer ..................... : The same as Applicant Address ............................. : The same as Applicant Product Name ................... : Mini Radio Model No... ......................... : AUC18239 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : 2023-05-12 Date of Test........................ : 2023-05-12 to 2023-05-17 Date of Issue ..................... : 2023-05-17 Test Report Form No. ....... : WTX_Part 15_247W Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Gala Wang Silin Chen Reference No.: WTX21X12140074W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 61 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ......................................................................... 5 1.2 TEST STANDARDS ................................................................................................................................................. 6 1.3 TEST METHODOLOGY ........................................................................................................................................... 6 1.4 TEST FACILITY ...................................................................................................................................................... 6 1.5 EUT SETUP AND TEST MODE .............................................................................................................................. 7 1.6 MEASUREMENT UNCERTAINTY ............................................................................................................................. 9 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................. 10 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 13 3. ANTENNA REQUIREMENT ................................................................................................................................. 14 3.1 STANDARD APPLICABLE ..................................................................................................................................... 14 3.2 EVALUATION INFORMATION ................................................................................................................................ 14 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS .................................................................................... 15 4.1 STANDARD APPLICABLE ..................................................................................................................................... 15 4.2 FREQUENCY HOPPING SYSTEM ......................................................................................................................... 15 4.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE ............................................................................... 16 5. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION .................................................... 17 5.1 STANDARD APPLICABLE ..................................................................................................................................... 17 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 17 5.3 TEST PROCEDURE .............................................................................................................................................. 17 5.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 18 6. DWELL TIME OF HOPPING CHANNEL ........................................................................................................... 19 6.1 STANDARD APPLICABLE ..................................................................................................................................... 19 6.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 19 6.3 TEST PROCEDURE .............................................................................................................................................. 19 6.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 20 7. 20DB BANDWIDTH ............................................................................................................................................... 21 7.1 STANDARD APPLICABLE ..................................................................................................................................... 21 7.2 TEST SETUP BLOCK DIAGRAM .....................................................................…

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Reference No.: WTX21X12140074W001 Page 10 of 11 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS sRadiation Emission Test Setup (Below 30MHz) Radiation Emission Test Setup (30MHz to 1GHz) Reference No.: WTX21X12140074W001 Page 11 of 11 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (1GHz to 18GHz) Radiation Emission Test Setup (Above 18GHz) ***** END OF REPORT *****