HDVWT8005 Small-sized graphical vehicle-mounted wireless terminal RF Exposure Info MPE report YANTAI HUADONG ELECTRON TECHNOLOGY CO.,LTD.
YANTAI HUADONG ELECTRON TECHNOLOGY CO.,LTD. Small-sized graphical vehicle-mounted wireless terminal
Report No: 68.950.18.0471.01A MPE Calculation Applicant: YANTAI HUADONG ELECTRON TECHNOLOGY CO., LTD. Address: Huadong Elec-Tech Building, Gaoxin District, 264003 yantai, China Product: Small-sized graphical vehicle-mounted wireless terminal FCC ID: 2AROX-HDVWT8005 Model No.: HD-VWT8005 According to subpart 15.247(i)and subpart §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 Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm2) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1,500 f/1500 30 1,500–100,000 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm2); 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 (appropriate units, e.g., cm); Calculated Data: TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Report No: 68.950.18.0471.01A For vehicle-mounted wireless terminal Maximum peak output power at antenna input terminal (dBm): 15.1 Maximum peak output power at antenna input terminal (mW): 32.36 Prediction distance (cm): 20 Antenna Gain, typical (dBi): Maximum Antenna Gain (numeric): 3.16 The worst case is power density at predication frequency at 20 cm (mW/cm2): 0.0203 MPE limit for general population exposure at prediction frequency (mW/cm2): 1.0 0.0203(mW/cm2) < 1 (mW/cm2) Result: Compliant TUV SUD China, Shenzhen Branch Reviewed by: Phoebe Hu/ EMC Section Manager Date: 2018-11-27 Prepared by: Mark Chen/EMC Project Engineer Date:2018-11-27 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng Wisdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299
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