2A8YA-NE20BLUETOOTH ELECTRONIC HEARING PROTECTION EARBUDS

NE20NE20 Electronic Hearing Protection with Electronic Hearing Protection with Bluetooth Ear plugsBluetooth Ear plugs 2 NE20 Bluetooth earbuds are in-ear electronic hearing protectors that suppress hazardous noise above 82dB and improve situational awareness and communication in harsh environments. Bluetooth connection function can connect devices in a state of noise reduction, freely listen to music, answer calls or reject calls, share communication and entertainment diversity. Also can last for 8 hours when fully charged, with voice prompts and low battery prompts. Smaller size and lighter weight Compared with traditional headphones. Combines compatibility, portability and comfort. Lower power consumption, longer battery life, better signal 1. Auto on/off, pick up/back to case 2. Auto search Bluetooth when it is on 3. Auto reconnect Bluetooth Noise reduction, pickup and bluetooth, dual modes can be used at the same time When the quick response gunshot sounds, the ultra-fast 0.5ms is compressed. Self and surrounding vocal tracking and optimization, and acoustic design. Improve the internal pickup and whistling of the earbuds Three switchable sound modes 1. Outdoor mode - maximum sound and maximum distance 2. Indoor mode - normal hearing and segment distance 3. Silent mode - listen to bluetooth audio or call Operates in any extreme environment Soft and elastic, the max pulling force is 20N (Prevent hook damage) • Rechargeable, • High battery life • Auto shutdown of 2 hours of standby • IPX5 Protection Rating Bluetooth 5.3 Auto connect Ambient sound and bluetooth hybrid Fast reaction core Clear voice tracking Feedback problem control Multi scene switch Sigle button control Prevent lost cord 3 Industry (Oil & Gas), Mining, Automobile Manufacturing, Construction, Product Manufacturing, Forestry, Machine Maintenance, Military Missions, Outdoor Sports, Transportation Applicable scene 4 NRR: 26 NE20 attenuation data, according to the specifications of the American National Standards Institute ANSI S3.19-1974 NE20 earbuds meet the following standards: ANSI S3.19-1974 EN 352-2：2002 EN 352-5：2002 EN 352-7：2002 EN 352-9：2002 Frequency (Hz) 125250500100020003150400063008000 NRR Mean attenuation (dB) 34.430.234.335.738.441.543.745.545.1 26 Standard 5.95.15.54.74.12.75.34.85.7 Need to know the protection: Always wear hearing protection in a noisy environment, otherwise noise may cause hearing damage. Daily exposure may cause slight hearing loss. Hearing protection recommended. Daily exposure may casue moderate to severe loss. Hearing protection required. Short exposure may casue moderate to severe hearingloss. Wear hearing protection with extracare. Brief expsure may casue permanent hearingloss. Hearing protection required Pistol Jet take off Military Vehicles Conversation Soft whisper Pin falling on floor Sniper gun Howitzer 200 150 100 85 50 0 5 Data and specifications Dimensions Charging case: 85(L)* 53(W)* 40(H)/mm Electronic Earplug(single side): 29(L)*23(W)*34(H)/mm Component Parameters Earbuds Active noise reduction:82dB NRR: 26dB Power by:lithium battery Working voltage: 3.7V Temperature resistance: -40°to +60° Material：ABS+PC Accessories 3 pairs of earpieces cover (S,M,L size) 3 pairs of sponge earplugs (S,M,L size) Retention cord Weight Earbuds(single): 8.3g Charging case: 72g Bluetooth Play/pause music Answer/Reject/Hang up call Pickups Large/small/mute three-speed adjustment Charge Interface: Type-C Component Parameters Speaker Diameter: 10mm Impedance: 16Ω Rated power: 3mW Frequency response: full-band Pickups Sensitivity: -38dB Type: Omnidirectional Battery EARPLUGS: 65mAh charging case: 500mAh 6 WARNING Hearing protector Hearing protection is designed to reduce the harm caused by harmful noise or other treble. Improper use or improper wearing can cause hearing damage in strong noise. In order to use hearing protection headphones properly, you can consult a professional and read the instructions carefully or call our company for more details. Please do not wear headphones if the ear is ill, or improper protection will cause permanent hearing loss. RF exposure statement This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 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 1: 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. FCC ID: 2A8YA-NE20 24/F, TCL Plaza, No. 18 Haizhou Road, Haizhu District, Guangzhou, 510335, Guangdong, …

Text truncated - open the document above for the full version.

Reference No.: WTX22X10201936W001 Page 2 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Reference No.: WTX22X10201936W001 Page 3 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 3 EUT View 4 Reference No.: WTX22X10201936W001 Page 4 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 5 EUT View 6 Reference No.: WTX22X10201936W001 Page 5 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 7 EUT View 8 Reference No.: WTX22X10201936W001 Page 6 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 9 EUT View 10

Reference No.: WTX22X10201936W001 Page 7 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 11 EUT View 12 Reference No.: WTX22X10201936W001 Page 8 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 13 EUT View 14 Reference No.: WTX22X10201936W001 Page 9 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 15 EUT View 16 Reference No.: WTX22X10201936W001 Page 10 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 17 EUT View 18 Reference No.: WTX22X10201936W001 Page 11 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 19 EUT View 20

Reference No.: WTX22X10201936W001 Page 1 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2A8YA-NE20 Specifications: Due to the small size of the device, label will be placed on the packing box and on the user manual to ensure that the label will be readily visible at the time of purchase. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTX22X10201936W001 Page 12 of 19 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.: WTX22X10201936W001 Page 13 of 19 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 2 Solder Board-Component View 3 Reference No.: WTX22X10201936W001 Page 14 of 19 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 4 Solder Board-Component View 5

Reference No.: WTX22X10201936W001 Page 15 of 19 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 6 Solder Board-Component View 7 Reference No.: WTX22X10201936W001 Page 16 of 19 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: SYSMAX Innovations Co., Ltd. Address of applicant: Unit 6355, 5/F, No.1021 Gaopu Road, Tianhe District, Guangzhou, 510653, Guangdong, China Manufacturer: SYSMAX Innovations Co., Ltd. Address of manufacturer: Unit 6355, 5/F, No.1021 Gaopu Road, Tianhe District, Guangzhou, 510653, Guangdong, China General Description of EUT: Product Name: BLUETOOTH ELECTRONIC HEARING PROTECTION EARBUDS Trade Name NITECORE Model No.: NE20 Adding Model(s): / Rated Voltage: DC3.7V Battery Capacity: 65mAh FCC ID: 2A8YA-NE20 Equipment Type: Portable device Technical Characteristics of EUT: Bluetooth Bluetooth Version: V5.3 (EDR mode) Frequency Range: 2402-2480MHz RF Output Power: -0.27dBm (Conducted) Data Rate: 1Mbps, 2Mbps Modulation: GFSK, π/4 DQPSK Quantity of Channels: 79 Channel Separation: 1MHz Type of Antenna: ceramic chip Antenna Antenna Gain: 1.6dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and 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 Min. Frequency Max. Output Power Max. Tune-Up Output Power Antenna Gain Duty Cycle Tune-Up EIRP (MHz) (dBm) (dBm) (dBi) (%) (dBm) Bluetooth 2402 -0.27 0.00 1.6 100 1.6 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 2402 B 0.5 0.00 1.00 2.79 0.36 Pass Note: 1. ERP=EIRP-2.15dB; EIRP= Output Power + Antenna gain 2. Option A, B and C refers as clause 1.2. 3. For option B, Pth(mW) convert to Exposure Limit(mW); For option C, ERP(W) convert to Exposure Limit(mW). 4. 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

ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 1 OF 11 H 2 1 8 D E B 1 0 U 3 0 1 0 3.2 x 1.6 x 1.3 (mm) WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification 1. Product Number 2. Features *Stable and reliable in performances *Low profile, compact size *RoHS 2.0 compliance *SMT processes compatible *AEC-Q200 compliant 3. Applications *ISM 2.4 GHz applications *ZigBee/BLE applications *Bluetooth earphone systems *Hand-held devices when WiFi / Bluetooth functions are needed, e.g., Smartphones *IEEE802.11 b/g/n *Wireless PCMCIA cards or USB dongles 4. Description Unictron’s CW324S chip antenna is designed for ISM 2.4GHz applications, covering frequencies 2400~2500 MHz. Fabricated with proprietary design and processes, CW324S shows excellent performance and is fully compatible with SMT processes, which can decrease the assembly cost and improve the device’s quality and consistency. ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 2 OF 11 5. Layout Guide & Electrical Specifications 5-1. Layout Guide (unitǺmm) Solder Land Pattern: The solder land pattern (gold marking areas) is shown below. Recommendation on matching circuit will be provided according to the customer’s installation conditions. Top View Bottom View Signal Input Transmission Line with 50ȍ Impedance Characteristic ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 3 OF 11 5-2. Electrical Specifications (Evaluation Board Dimensions: 40 x 40 mm 2 ) 5-2-1. Electrical Table Characteristics Specifications Unit Outline Dimensions 3.2 x 1.6 x 1.3 mm Working Frequency 2400 ~ 2500 MHz VSWR(@ center frequency)* 2 Max. Characteristic Impedance 50 : Polarization Linear Polarization Peak Gain (@2442 MHz) 1.5 (typical**) dBi Efficiency 56.3 (typical**) % *Center frequency means the frequency with the lowest value in return loss of the chip antenna on the evaluation board. **A typical value is for reference only, not guaranteed. 5-2-2. Return Loss & VSWR Return Loss (S 11 ) VSWR (S 11 ) ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 4 OF 11 6. Outline Dimensions of Antenna & Evaluation Board (unit: mm) 6-1. Antenna Dimensions PIN Definitions PIN 1 2 Soldering PAD Signal N/C ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 5 OF 11 6-2. Evaluation Board with Antenna Unit: mm ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 6 OF 11 7. Radiation Pattern (with 40 x 40 mm 2 Evaluation Board) 7-1. 3D Gain Radiation Pattern @ 2442 MHz (unit: dBi) X Z Y ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:www.unictron.com THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED AS THE B ASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES W ITHOUT PERMISSION Prepared by : Jane Designed by : Ken Checked by : Mike Approved by烉Herbert TITLE烉3.2 x 1.6 x 1.3 WiFi / Bluetooth Chip Antenna (CW324S) Engineering Specification DOCUMENT H2U38D1E1B0100 REV. NO. C PAGE 7 OF 11 7-2. 3D Efficiency Table Frequency(MHz) 2400 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 2484 2500 Efficiency(dB) -2.9 -2.8 -2.7 -2.7 -2.6 -2.6 -2.5 -2.5 -2.6 -2.5 -2.5 -2.4 -2.5 -2.5 -2.6 -2.7 Efficiency(%) 51.8 52.1 53.1 54.3 54.9 55.5 55.7 56.3 55.4 56.4 56.5 57.1 56.8 56.6 54.4 53.1 Peak Gain(dBi) 1.2 1.2 1.3 1.3 1.3 1.4 1.6 1.5 1.5 1.5 1.4 1.5 1.4 1.4 1.2 1.1 7-3. 3D Efficiency vs. Frequency ຐ཰ࣽިמҽԖज़Ϧљ Unictron Technologies Corporation Website:ww…

Text truncated - open the document above for the full version.

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 57 TEST REPORT Reference No. .................... : WTX22X10201936W001 FCC ID ................................ : 2A8YA-NE20 Applicant ........................... : SYSMAX Innovations Co., Ltd. Address.............................. : Unit 6355, 5/F, No.1021 Gaopu Road, Tianhe District, Guangzhou, 510653, Guangdong, China Manufacturer ..................... : The same as Applicant Address.............................. : The same as Applicant Product Name ................... : BLUETOOTH ELECTRONIC HEARING PROTECTION EARBUDS Model No... ......................... : NE20 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : 2022-10-11 Date of Test........................ : 2022-10-11 to 2022-12-30 Date of Issue ..................... : 2022-12-30 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: Mike Shi Silin Chen Reference No.: WTX22X10201936W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 57 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 .............................................................................................................................8 1.7 TEST EQUIPMENT LIST AND DETAILS ...................................................................................................................9 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 12 3. ANTENNA REQUIREMENT ................................................................................................................................ 13 3.1 STANDARD APPLICABLE ..................................................................................................................................... 13 3.2 EVALUATION INFORMATION ................................................................................................................................ 13 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS.................................................................................... 14 4.1 STANDARD APPLICABLE ..................................................................................................................................... 14 4.2 FREQUENCY HOPPING SYSTEM ......................................................................................................................... 14 4.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE ............................................................................... 15 5. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION ................................................... 16 5.1 STANDARD APPLICABLE ..................................................................................................................................... 16 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 16 5.3 TEST PROCEDURE .............................................................................................................................................. 16 5.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 17 6. DWELL TIME OF HOPPING CHANNEL .......................................................................................................... 18 6.1 STANDARD APPLICABLE ..................................................................................................................................... 18 6.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 18 6.3 TEST PROCEDURE .............................................................................................................................................. 18 6.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 19 7. 20DB BANDWIDTH ............................................................................................................................................... 20 7.1 STANDARD APPLICABLE ..................................................................................................................................... 20 7.2 TEST SETUP BLOCK DIAGRAM ....…

Text truncated - open the document above for the full version.

Reference No.: WTX22X10201936W001 Page 15 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Conducted Emission Test Setup Radiation Emission Test Setup (Below 30MHz) Reference No.: WTX22X10201936W001 Page 16 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (30MHz to 1GHz) Radiation Emission Test Setup (1GHz to 18GHz) Reference No.: WTX22X10201936W001 Page 17 of 17 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (Above 18GHz) ***** END OF REPORT *****