RF exposure

FCC ID: 2AMLF-ET500

RF Exposure Info

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FCCID_4388036

1. MAXIMUM PERMISSIBLE EXPOSURE (MPE) 1.1 General Information Client Information Applicant: Shenzhen Jimi IOT Co., Ltd Address of applicant: 4/F, Building C, Gaoxinqi Industrial Park, Liuxian 1st Road, No.67 Xin'an Street, Bao'an District, Shenzhen, China Manufacturer: Shenzhen Jimi IOT Co., Ltd Address of manufacturer: 4/F, Building C, Gaoxinqi Industrial Park, Liuxian 1st Road, No.67 Xin'an Street, Bao'an District, Shenzhen, China General Description of EUT: Product Name: Intelligent E-bike GPS Alarm Trade Name: JIMI Model No.: EG02, ET500 FCC ID: 2AMLF-ET500 Rated Voltage: DC3.7V Technical Characteristics of EUT: 2G Support Networks: GSM, GPRS Support Band: GSM850/PCS1900 GSM/GPRS 850: 824~849MHz Uplink Frequency: GSM/GPRS 1900: 1850~1910MHz GSM/GPRS 850: 869~894MHz Downlink Frequency: GSM/GPRS 1900: 1930~1990MHz Max RF Output Power: GSM850: 30.48dBm, GSM1900: 26.87dBm Type of Emission: GSM850: 262KGXW, GSM1900: 255KGXW Type of Modulation: GMSK Type of Antenna: Integral Antenna Antenna Gain: GSM850: -0.5dBi; GSM1900: -0.5dBi GPRS Class: Class 12 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

Electric Field Magnetic Field Averaging Times Frequency range Power Density Strength (E) Strength (H) | E |2, | H |2 or (MHz) (S) (mW/cm2) (V/m) (A/m) 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 Electric Field Magnetic Field Averaging Times Frequency range Power Density Strength (E) Strength (H) | E |2, | H |2 or (MHz) (S) (mW/cm2) (V/m) (A/m) 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*R2) S = 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 (in appropriate units, e.g., cm) 1.4 MPE Calculation Result For GSM850: Maximum Tune-Up output power: 32.73 (dBm) Maximum peak output power at antenna input terminal: 1874.99 (mW) Prediction distance: >20(cm) Prediction frequency: 824.20 (MHz) Antenna gain:-0.5 (dBi) Directional gain (numeric gain): 0.89 The worst case is power density at prediction frequency at 20cm: 0.3324(mw/cm2) MPE limit for general population exposure at prediction frequency: 0.5495 (mw/cm2) The exclusion thresholds is 0.3324mw/cm2<0.5495 mw/cm2

For GPRS850: Maximum Tune-Up output power: 31.92 (dBm) Maximum peak output power at antenna input terminal: 1555.97 (mW) Prediction distance: >20(cm) Prediction frequency: 848.80 (MHz) Antenna gain:-0.5 (dBi) Directional gain (numeric gain): 0.89 The worst case is power density at prediction frequency at 20cm: 0.2759(mw/cm2) MPE limit for general population exposure at prediction frequency: 0.5659(mw/cm2) The exclusion thresholds is 0.2759mw/cm2<0.5659 mw/cm2 For GSM1900: Maximum Tune-Up output power: 28.96 (dBm) Maximum peak output power at antenna input terminal: 787.05 (mW) Prediction distance: >20(cm) Prediction frequency: 1850.20 (MHz) Antenna gain:-0.5 (dBi) Directional gain (numeric gain): 0.89 The worst case is power density at prediction frequency at 20cm: 0.1395(mw/cm2) MPE limit for general population exposure at prediction frequency: 1 (mw/cm2) The exclusion thresholds is 0.1395mw/cm2<1 mw/cm2 For GPRS1900: Maximum Tune-Up output power: 28.95(dBm) Maximum peak output power at antenna input terminal: 785.24 (mW) Prediction distance: >20(cm) Prediction frequency:1880.00 (MHz) Antenna gain:-0.5 (dBi) Directional gain (numeric gain): 0.89 The worst case is power density at prediction frequency at 20cm: 0.1392(mw/cm2) MPE limit for general population exposure at prediction frequency: 1 (mw/cm2) The exclusion thresholds is 0.1392mw/cm2<1 mw/cm2 Result: Pass


Document Created: 2019-08-06 08:54:45
Document Modified: 2019-08-06 08:54:45
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