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ChamSys Ltd Brooklands Courtyard, First Avenue, Millbrook, Southampton, SO15 0LJ -------------------------------------------------------------------------------- (FCC ID：2AQWR-MQCOMP) POWER OF ATTORNEY DATE: 2020-03-05 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, ChamSys Ltd are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, ChamSys Ltd

Report No.: W EXHIBI EUT View 1 EUT View 2 WTX19X110 T 2 - EUT 1 2 80563W-1/-3/ T EXTER /-4/-5 RNAL PH HOTOGR APHS FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W EUT View 3 EUT View 4 WTX19X110 3 4 80563W-1/-3/ /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W EUT View 5 EUT View 6 WTX19X110 5 6 80563W-1/-3/ /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247

Report No.: W EXHIBI Proposed Specification silk-screened Proposed WTX19X110 T 1 - PRO FCC ID La ns: Text is b d onto the EU Label Loca 80563W-1/-3/ ODUCT L abel Forma black in colo UT or shall be ation on EU /-4/-5 LABELIN at r and justifie e affixed at a UT FCC NG ed. Labels ar conspicuous ID Label Lo re printed in location on t cation FCC P indelible ink the EUT. M Part 15E / FCC k on perman Model: MQ70 C Part 15.247 nent adhesivee

Report No.: W EXHIBI EUT Housi n EUT Housi n WTX19X110 T 3 - EUT ng and Boar ng and Boar 80563W-1/-3/ T INTER rd View 1 rd View 2 /-4/-5 NAL PHO OTOGRA APHS FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 1 ent View 2 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 3 ent View 4 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 5 ent View 6 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 7 ent View 8 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 9 ent View 10 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247

Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 11 ent View 12 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 13 ent View 14 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Solder Boar Solder Boar WTX19X110 rd-Compone rd-Compone 80563W-1/-3/ ent View 15 ent View 16 /-4/-5 FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 5G W Report No.: W Antenna Vi Wi-Fi/BT Ant WTX19X110 iew 80563W-1/-3/ /-4/-5 2.4G G Wi-FiAnt FCC P M Part 15E / FCC Model: MQ70 C Part 15.247

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) 1.1 General Information Client Information Applicant: ChamSys Ltd Address of applicant: Brooklands Courtyard, First Avenue, Millbrook, Southampton, SO15 0LJ Manufacturer: ChamSys Ltd Address of manufacturer: Brooklands Courtyard, First Avenue, Millbrook, Southampton, SO15 0LJ General Description of EUT: Product Name: MagicQ Consoles Trade Name: CHAMSYS Model No.: MQ70 Adding Model(s): MQ50 FCC ID: 2AQWR-MQCOMP Rated Voltage: Battery: DC12V Battery Capacity: 0.8Ah Technical Characteristics of EUT: Bluetooth Bluetooth Version: V4.2 (BR/EDR/BLE mode) Frequency Range: 2402-2480MHz RF Output Power: 4.69dBm (Conducted) Data Rate: 1Mbps, 2Mbps, 3Mbps Modulation: GFSK, Pi/4 DQPSK, 8DPSK Quantity of Channels: 79/40 Channel Separation: 1MHz/2 MHz Type of Antenna: Integral Antenna Antenna Gain: 5.7dBi Wi-Fi (2.4G) Support Standards: 802.11b, 802.11g, 802.11n Frequency Range: 2412-2462MHz for 802.11b/g/n-HT20 2422-2452MHz for 802.11n-HT40 RF Output Power: 13.50dBm (Conducted) Type of Modulation: DBPSK,BPSK,DQPSK,QPSK,16QAM,64QAM Data Rate: 1-11Mbps, 6-54Mbps, up to 150Mbps Quantity of Channels: 11 for 802.11b/g/n-HT20 7 for 802.11n-HT40 Channel Separation: 5MHz Type of Antenna: Integral Antenna Antenna Gain: 5.7dBi Wi-Fi (5G) Support Standards: 802.11a, 802.11n(HT20) , 802.11n-HT40, 802.11ac-VH80 Frequency Range: 5150-5250MHz RF Output Power: 11.46dBm (Conducted) Type of Modulation: BPSK, QPSK,16QAM,64QAM, 256QAM Data Rate: 6-54Mbps, up to 200Mbps Type of Antenna: Integral Antenna Antenna Gain: 5.7dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, 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. (a) 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 Times | 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 1500-100000 / / 5 6 (b) 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 Times | 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 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 1.3 MPE Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm) 1.4 MPE Calculation Result For Bluetooth Maximum Tune-Up output power: 5(dBm) Maximum peak output power at antenna input terminal: 3.16(mW) Prediction distance: >20(cm) Prediction frequency: 2402 (MHz) Antenna gain:5.7(dBi) Directional gain (numeric gain): 3.72 The worst case is power density at prediction frequency at 20cm: 0.0023(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) For 2.4G Wi-Fi Maximum Tune-Up output power: 14(dBm) Maximum peak output power at antenna input terminal: 25.12(mW) Prediction distance: >20(cm) Prediction frequency: 2437 (MHz) Antenna gain:5.7(dBi) Directional gain (numeric gain): 3.72 The worst case is power density at prediction frequency at 20cm: 0.0186(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) For 5G Wi-Fi Maximum Tune-Up output power: 12(dBm) Maximum peak output power at antenna input terminal: 15.85(mW) Prediction distance: >20(cm) Prediction frequency: 5200(MHz) Antenna gain:5.7(dBi) Directional gain (numeric gain): 3.72 The worst case is power density at prediction frequency at 20cm: 0.0117(mw/cm 2 ) MPE limit for general population exposure at prediction frequency: 1 (mw/cm 2 ) BT and Wi-Fi can’t transmit at the same time. Result: Pass

Model: MQ70 Report No.: WTX19X11080563W-5 Page 1 of 32 FCC Part 15.247 FCC Part 15C Measurement and Test Report For ChamSys Ltd Brooklands Courtyard, First Avenue, Millbrook, Southampton, SO15 0LJ, United Kingdom FCC ID: 2AQWR-MQCOMP FCC Rule(s): FCC Part 15.247 Product Description: MagicQ Consoles Tested Model: MQ70 Report No.: WTX19X11080563W-5 Sample Receipt Date: 2019-11-20 Tested Date: 2019-11-20 to 2019-12-09 Issued Date: 2019-12-09 Tested By: Mike Shi/ Engineer Reviewed By: Silin Chen / EMC Manager Approved & Authorized By: Jandy So / PSQ Manager Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. 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 Website: www.semtest.com.cn Note: This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Waltek Testing Group (Shenzhen) Co., Ltd. Model: MQ70 Report No.: WTX19X11080563W-5 Page 2 of 32 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................... 5 1.3 TEST METHODOLOGY ............................................................................................................................................. 5 1.4 TEST FACILITY ....................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 6 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 7 2. SUMMARY OF TEST RESULTS ........................................................................................................................... 9 3. RF EXPOSURE ....................................................................................................................................................... 10 3.1 STANDARD APPLICABLE ....................................................................................................................................... 10 3.2 TEST RESULT........................................................................................................................................................ 10 4. ANTENNA REQUIREMENT ................................................................................................................................ 11 4.1 STANDARD APPLICABLE ....................................................................................................................................... 11 4.2 EVALUATION INFORMATION ................................................................................................................................ 11 5. POWER SPECTRAL DENSITY ........................................................................................................................... 12 5.1 STANDARD APPLICABLE ....................................................................................................................................... 12 5.2 TEST PROCEDURE ................................................................................................................................................. 12 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 12 6. DTS BANDWIDTH ................................................................................................................................................. 14 6.1 STANDARD APPLICABLE ....................................................................................................................................... 14 6.2 TEST PROCEDURE ................................................................................................................................................. 14 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 14 7. RF OUTPUT POWER ............................................................................................................................................ 16 7.1 STANDARD APPLICABLE ....................................................................................................................................... 16 7.2 TEST PROCEDURE ................................................................................................................................................. 16 7.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 16 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 18 8.1 STANDARD APPLICABLE ....................................................................................................................................... 18 8.2 TEST PROCEDURE ................................................................................................................................................. 18 8.3 CORRECTED AMPLITUDE & MARGIN CALCULATION .........................................................…

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Model: MQ70 Report No.: WTX19X11080563W-3 Page 1 of 62 FCC Part 15.247 FCC Part 15C Measurement and Test Report For ChamSys Ltd Brooklands Courtyard, First Avenue, Millbrook, Southampton, SO15 0LJ, United Kingdom FCC ID: 2AQWR-MQCOMP FCC Rule(s): FCC Part 15.247 Product Description: MagicQ Consoles Tested Model: MQ70 Report No.: WTX19X11080563W-3 Sample Receipt Date: 2019-11-20 Tested Date: 2019-11-20 to 2019-12-09 Issued Date: 2019-12-09 Tested By: Mike Shi/ Engineer Reviewed By: Silin Chen / EMC Manager Approved & Authorized By: Jandy So / PSQ Manager Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. 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 Website: www.semtest.com.cn Note: This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Waltek Testing Group (Shenzhen) Co., Ltd. Model: MQ70 Report No.: WTX19X11080563W-3 Page 2 of 62 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................... 5 1.3 TEST METHODOLOGY ............................................................................................................................................. 5 1.4 TEST FACILITY ....................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ..................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 10 3. RF EXPOSURE ....................................................................................................................................................... 11 3.1 STANDARD APPLICABLE ....................................................................................................................................... 11 3.2 TEST RESULT........................................................................................................................................................ 11 4. ANTENNA REQUIREMENT ................................................................................................................................ 12 4.1 STANDARD APPLICABLE ....................................................................................................................................... 12 4.2 EVALUATION INFORMATION ................................................................................................................................ 12 5. POWER SPECTRAL DENSITY ........................................................................................................................... 13 5.1 STANDARD APPLICABLE ....................................................................................................................................... 13 5.2 TEST PROCEDURE ................................................................................................................................................. 13 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 6. DTS BANDWIDTH ................................................................................................................................................. 18 6.1 STANDARD APPLICABLE ....................................................................................................................................... 18 6.2 TEST PROCEDURE ................................................................................................................................................. 18 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 18 7. RF OUTPUT POWER ............................................................................................................................................ 23 7.1 STANDARD APPLICABLE ....................................................................................................................................... 23 7.2 TEST PROCEDURE ................................................................................................................................................. 23 7.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 23 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 29 8.1 STANDARD APPLICABLE ....................................................................................................................................... 29 8.2 TEST PROCEDURE ................................................................................................................................................. 29 8.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ..........................................................…

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Report No.: W EXHIBI Conducted Radiation E WTX19X110 T 4 - TES Emission Te Emission Tes 80563W-1/-3/ ST SETUP est Setup st Setup (Belo /-4/-5 P PHOTO ow 30MHz) OGRAPH HS FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Radiation E Radiation E WTX19X110 Emission Tes Emission Tes 80563W-1/-3/ st Setup (30M st Setup (1GH /-4/-5 MHz to 1GHz Hz to 18GHz z) z) FCC P M Part 15E / FCC Model: MQ70 C Part 15.247 Report No.: W Radiation E WTX19X110 Emission Tes 80563W-1/-3/ st Setup (Abo /-4/-5 ove 18GHz) FCC P M Part 15E / FCC Model: MQ70 C Part 15.247