EMC
陈辉
RF Exposure-FCC-MPE
Shenzhen GMK Technology Co., Ltd K1 NucBox 2AXUD-K1 2AXUDK1 k1
Shenzhen GMK Technology Co., Ltd K1 2AXUD-K1 2AXUDK1 k1
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Document DEVICE REPORTGetApplicationAttachment.html?id=6550918Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AXUD-K1 Maximum Permissible Exposure Report Product Information EUT Model Number Model Declaration Test Model Power Supply Hardware version Software version Sample ID Bluetooth Bluetooth Version Operation Frenquency Channel Number Modulation Technology Data Rates Antenna Type And Gain WiFi : NucBox K1,K2,K3,K4,K5,K6,K7,K8,K9,K10,K11,K12,K13,K14,K15,K16,K17,K18,K19,K : 20,K21,K22,K23,K25,K26,K27,K28,K29,K30,K100,K200,K300,M1,M2,M3,M4, M5,M6,M7,M8,M9,M10,M11,M12,M13,M14,M15,M16,M17,M18,M19,M20,M21 ,M22,M23,M25,M26,M27,M28,M29,M30,M100,M200,M300,GNi12U,KN2,KN3 : All the same except for the model name : K1 : DC 19V by adpater : IP3_ARB20_V10 : Windows 11 Pro 22H2 : TZ2304042852#&TZ2304042854# : V5.2 : 2402- 2480 MHz : 79 40 Channels Channels for for Bluetooth BR/EDR(DSS) BLE (DTS) : GFSK, /4-DQPSK, 8-DPSK GFSK for BLE (DTS) for Bluetooth BR/EDR (DSS) : Bluetooth BR/EDR BLE (DTS): 1Mbps (DSS): 1/2/3Mbps : Internal 1.3dBi Antenna 1: WLAN : Supported IEEE 802.11a/b/g/n/ac WLAN FCC Operation Frequency WLAN Channel Number WLAN Modulation Technology Antenna Type And Gain IEEE 802.11b:2412-2462MHz IEEE 802.11g:2412-2462MHz IEEE 802.11n HT20:2412-2462MHz / 5180-5240MHz : IEEE IEEE 802.11n HT40: 2422-2452MHz 802.11a: 5180-5240MHz / 5190-5230MHz IEEE 802.11ac VHT20: 5180-5240MHz IEEE 802.11ac VHT40: 5190-5230MHz IEEE 802.11ac VHT80: 5210MHz 11 Channels for 2412-2462MHz(IEEE 802.11b/g/n HT20) 7 Channels for 2422-2452MHz(IEEE 802.11n HT40) : 4 Channels for 5180-5240MHz (IEEE 802.11a/ac VHT20/n HT20) 2 Channels for 5190-5230MHz (IEEE 802.11ac VHT40/n HT40) 1 Channels for 5210MHz (IEEE 802.11ac VHT80) IEEE 802.11b: DSSS(CCK,DQPSK,DBPSK) IEEE 802.11g: OFDM (64QAM, 16QAM, QPSK, BPSK) : IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK) IEEE 802.11a: OFDM (64QAM, 16QAM, QPSK, BPSK) IEEE 802.11ac: OFDM (256QAM, 64QAM, 16QAM, QPSK, BPSK) Internal Antenna 1: : 1.3dBi (Max.), for TX/RX (WLAN 2.4G Band) 1.55dBi (Max.), for TX/RX (WLAN 5.2G Band) Internal Antenna 2: This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 10 Shenzhen Tongzhou Testing Co.,Ltd 1.3dBi (Max.), for TX/RX (WLAN 2.4G Band) 1.55dBi (Max.), for TX/RX (WLAN 5.2G Band) FCC ID: 2AXUD-K1 Note 1: Antenna position refer to EUT Photos. Note 2: the above information was supplied by the applicant. 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far-field plane-wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 10 Shenzhen Tongzhou Testing Co.,Ltd 3. Limit FCC ID: 2AXUD-K1 3. 1 Refer evaluation method ANSI C95.11999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices 3. 2 Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Electric Field Magnetic Field Power Density Averaging Time Range(MHz) Strength(V/m) Strength(A/m) (mW/cm²) (minute) Limits for Occupational/Controlled Exposure 0.3 3.0 614 1.63 (100) * 6 3.0 30 1842/f 4.89/f (900/f2)* 6 30 300 61.4 0.163 1.0 6 300 1500 / / f/300 6 1500 100,000 / / 5 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Electric Field Magnetic Field Power Density Averaging Time Range(MHz) Strength(V/m) Strength(A/m) (mW/cm²) (minute) Limits for Occupational/Controlled Exposure 0.3 3.0 614 1.63 (100) * 30 3.0 30 824/f 2.19/f (180/f2)* 30 30 300 27.5 0.073 0.2 30 300 1500 / / f/1500 30 1500 100,000 / / 1.0 30 F=frequency in MHz *=Plane-wave equivalent power density 4. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4R² 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 5. Antenna Information This Product can only use antennas certificated as follows provided by manufacturer; Antenna Gain and type refer to Product information This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 10 Shenzhen Tongzhou Testing Co.,Ltd 6. Conducted Power 2.4G Band: Bluetooth(BDR+EDR) TestMode DH5 2DH5 3DH5 Bluetooth(BLE) TestMode BLE_1M WiFi 2.4GHz Band TestMode 11B 11G 11N20MIMO 11N40MIMO Antenna Ant1 Ant1 Ant1 Antenna Ant1 Antenna Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Channel 2402 2441 2480 2402 2441 2480 2402 2441 2480 Channel 2402 2440 2480 Channel 2412 2412 2437 2437 2462 2462 2412 2412 2437 2437 2462 2462 2412 2412 2412 2437 2437 2437 2462 2462 2462 2422 2422 2422 2437 2437 2437 2452 2452 2452 FCC ID: 2AXUD-K1 Result[dBm] 3.65 4.26 1.79 3.93 4.33 2.16 4.13 4.45 2.29 Result[dBm] -4.09 -3.59 -5.86 Result[dBm] 16.54 16.14 17.82 17.16 17.08 16.53 10.05 9.94 11.12 10.99 10.51 10.31 8.90 8.59 11.76 9.85 9.75 12.81 9.64 9.42 12.54 9.85 9.36 12.62 10.59 9.94 13.29 9.83 9.78 12.82 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 10 Shenzhen Tongzhou Testing Co.,Ltd 5G Band UNII-1 Band TestMode 11A 11N20MIMO 11N40MIMO 11AC20MIMO 11AC40MIMO 11AC80MIMO Antenna Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Ant1 Ant2 total Channel 5180 5180 5200 5200 5240 5240 5180 5180 5180 5200 5200 5200 5240 5240 5240 5190 5190 5190 5230 5230 5230 5180 5180 5180 5200 5200 5200 5240 5240 5240 5190 5190 5190 5230 5230 5230 5210 5210 5210 FCC ID: 2AXUD-K1 Result[dBm] 10.79 7.98 11.14 8.49 11.67 9.14 9.71 6.78 11.50 9.91 7.71 11.96 10.64 7.98 12.52 9.68 7.51 11.74 9.52 7.43 11.61 9.80 6.86 11.58 10.12 7.42 11.99 10.06 7.26 11.89 9.84 6.91 11.63 9.62 6.86 11.47 8.26 6.01 10.29 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 5 of 10 Shenzhen Tongzhou Testing Co.,Ltd 7. Manufacturing Tolerance Bluetooth(BDR+EDR) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) GFSK (Peak) Channel 0 Channel 39 3.0 4.0 1.0 1.0 /4-DQPSK (Peak) Channel 0 Channel 39 3.5 4.0 1.0 1.0 8-DPSK (Peak) Channel 0 Channel 39 3.5 4.0 1.0 1.0 Bluetooth(BLE) Channel Target (dBm) Tolerance ±(dB) GFSK(1Mbps) (Peak) Channel 0 Channel 19 -4.5 -4.0 1.0 1.0 WiFi 2.4GHz Band Antenna 1 IEEE 802.11b(Average) Channel Channel 1 Channel 6 Target (dBm) 16.0 17.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11g (Average) Channel Channel 1 Channel 6 Target (dBm) 9.5 10.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11n HT20 (Average) Channel Channel 1 Channel 6 Target (dBm) 8.5 9.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11n HT40 (Average) Channel Channel 3 Channel 6 Target (dBm) 9.5 10.0 Tolerance ±(dB) 1.0 1.0 WiFi 2.4GHz Band Antenna 2 IEEE 802.11b(Average) Channel Channel 1 Channel 6 Target (dBm) 15.5 16.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11g (Average) Channel Channel 1 Channel 6 Target (dBm) 9.5 10.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11n HT20 (Average) Channel Channel 1 Channel 6 Target (dBm) 8.0 9.5 Tolerance ±(dB) 1.0 1.0 IEEE 802.11n HT40 (Average) Channel Channel 3 Channel 6 Target (dBm) 9.0 9.5 Tolerance ±(dB) 1.0 1.0 FCC ID: 2AXUD-K1 Channel 78 1.5 1.0 Channel 78 1.5 1.0 Channel 78 2.0 1.0 Channel 39 -6.5 1.0 Channel 11 16.5 1.0 Channel 11 10.0 1.0 Channel 11 9.0 1.0 Channel 9 9.5 1.0 Channel 11 16.0 1.0 Channel 11 10.0 1.0 Channel 11 9.0 1.0 Channel 9 9.5 1.0 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 6 of 10 Shenzhen Tongzhou Testing Co.,Ltd UNII-1 Band Antenna 1 Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) IEEE 802.11a (Average) Channel 36 Channel 40 10.5 10.5 1.0 1.0 IEEE 802.11n HT20 (Average) Channel 36 Channel 40 9.0 9.5 1.0 1.0 IEEE 802.11ac VHT20 (Average) Channel 36 Channel 40 5.0 5.5 1.0 1.0 IEEE 802.11n HT40 (Average) Channel 38 Channel 46 9.0 9.0 1.0 1.0 IEEE 802.11ac VHT40 (Average) Channel 38 Channel 46 9.5 9.0 1.0 1.0 IEEE 802.11ac VHT80 (Average) Channel 42 -- 8.0 -- 1.0 -- UNII-1 Band Antenna 2 Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) Channel Target (dBm) Tolerance ±(dB) IEEE 802.11a (Average) Channel 36 Channel 40 7.5 8.0 1.0 1.0 IEEE 802.11n HT20 (Average) Channel 36 Channel 40 6.5 7.0 1.0 1.0 IEEE 802.11ac VHT20 (Average) Channel 36 Channel 40 6.5 7.0 1.0 1.0 IEEE 802.11n HT40 (Average) Channel 38 Channel 46 7.0 7.0 1.0 1.0 IEEE 802.11ac VHT40 (Average) Channel 38 Channel 46 6.5 6.5 1.0 1.0 IEEE 802.11ac VHT80 (Average) Channel 42 -- 5.5 -- 1.0 -- FCC ID: 2AXUD-K1 Channel 48 11.0 1.0 Channel 48 10.0 1.0 Channel 48 7.5 1.0 ---- ---- ---- Channel 48 8.5 1.0 Channel 48 7.5 1.0 Channel 48 7.0 1.0 ---- ---- ---- This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 7 of 10 Shenzhen Tongzhou Testing Co.,Ltd 8. Measurement Results FCC ID: 2AXUD-K1 8.1 Standalone MPE As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antenna refer to antenna information, the RF power density can be obtained. Bluetooth(BDR+EDR) Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) Duty Cycle MPE (mW/cm2) MPE Limits dBm mW (mW/cm2) GFSK 5.0 3.1623 1.3 1.3490 100% 0.0008 1.0000 /4-DQPSK 5.0 3.1623 1.3 1.3490 100% 0.0008 1.0000 8-DPSK 5.0 3.1623 1.3 1.3490 100% 0.0008 1.0000 Bluetooth(BLE) Modulation Type GFSK(1Mbps) Output power dBm -3.0 mW 0.5012 Antenna Gain (dBi) Antenna Gain (linear) 1.3 1.3490 Duty Cycle 100% MPE MPE (mW/cm2) Limits (mW/cm2) 0.0001 1.0000 WiFi 2.4GHz Band Ant 1 Modulation Type IEEE 802.11b IEEE 802.11g IEEE 802.11n HT20 IEEE 802.11n HT40 Output power dBm 18.5 11.5 10.5 11.0 mW 70.7946 14.1254 11.2202 12.5893 Antenna Gain (dBi) 1.55 1.55 1.55 1.55 Antenna Gain (linear) 1.4289 1.4289 1.4289 1.4289 Duty Cycle 100% 100% 100% 100% MPE MPE (mW/cm2) Limits (mW/cm2) 0.0201 1.0000 0.0040 1.0000 0.0032 1.0000 0.0036 1.0000 WiFi 2.4GHz Band Ant 2 Modulation Type IEEE 802.11b IEEE 802.11g IEEE 802.11n HT20 IEEE 802.11n HT40 Output power dBm 17.5 11.5 10.5 10.5 mW 56.2341 14.1254 11.2202 11.2202 Antenna Gain (dBi) 1.55 1.55 1.55 1.55 Antenna Gain (linear) 1.4289 1.4289 1.4289 1.4289 Duty Cycle 100% 100% 100% 100% MPE MPE (mW/cm2) Limits (mW/cm2) 0.0160 1.0000 0.0040 1.0000 0.0032 1.0000 0.0032 1.0000 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 8 of 10 Shenzhen Tongzhou Testing Co.,Ltd UNII-1 Band Ant 1 Modulation Type IEEE 802.11a IEEE 802.11n HT20 IEEE 802.11ac VHT20 IEEE 802.11n HT40 IEEE 802.11ac VHT40 IEEE 802.11ac VHT80 Output power dBm 12.0 11.0 10.5 10.0 10.5 9.0 mW 15.8489 12.5893 11.2202 10.0000 11.2202 7.9433 Antenna Gain (dBi) 1.55 1.55 1.55 1.55 1.55 1.55 Antenna Gain (linear) 1.4289 1.4289 1.4289 1.4289 1.4289 1.4289 FCC ID: 2AXUD-K1 Duty Cycle 100% 100% 100% 100% 100% 100% MPE MPE (mW/cm2) Limits (mW/cm2) 0.0045 1.0000 0.0036 1.0000 0.0032 1.0000 0.0028 1.0000 0.0032 1.0000 0.0023 1.0000 UNII-1 Band Ant 2 Modulation Type IEEE 802.11a IEEE 802.11n HT20 IEEE 802.11ac VHT20 IEEE 802.11n HT40 IEEE 802.11ac VHT40 IEEE 802.11ac VHT80 Output power dBm 9.5 8.5 8.0 8.0 7.5 6.5 mW 8.9125 7.0795 6.3096 6.3096 5.6234 4.4668 Antenna Gain (dBi) Antenna Gain (linear) 1.55 1.4289 1.55 1.4289 1.55 1.4289 1.55 1.4289 1.55 1.4289 1.55 1.4289 Duty Cycle 100% 100% 100% 100% 100% 100% MPE MPE (mW/cm2) Limits (mW/cm2) 0.0025 1.0000 0.0020 1.0000 0.0018 1.0000 0.0018 1.0000 0.0016 1.0000 0.0013 1.0000 Remark: 1. Output power including tune-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer; 8.2 Simultaneous Transmission MPE Bluetooth + Wi-Fi Maximum Maximum MPE(mW/cm2) MPE(mW/cm2) BT Ant. 0.0008 WIFI Ant.1 0.0201 Maximum MPE(mW/cm2) WIFI Ant.2 0.0160 MPE (mW/cm2) 0.0369 Limit (mW/cm2) 1.0000 Remark: 1. Output power including tune-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer; Results PASS This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 9 of 10 Shenzhen Tongzhou Testing Co.,Ltd 9. Conclusion FCC ID: 2AXUD-K1 The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT--------------- This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 10 of 10
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