MPE Report

FCC ID: QQIET100

RF Exposure Info

Download: PDF
FCCID_3486764

FCC ID: QQIET100 Maximum exposure limits from CFR 47, FCC Part 1.1310: Table 1—Limits for Maximum Permissible Exposure (MPE) Frequency Electric field Magnetic field Power Averaging range strength strength density time (MHz) (V/m) (A/m) (mW/cm2) (minutes) (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *100 6 2 3.0-30 1842/f 4.89/f *900/f 6 30-300 61.4 0.163 1.0 6 300-1,500 f/300 6 1,500-100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *100 30 2 1.34-30 824/f 2.19/f *180/f 30 30-300 27.5 0.073 0.2 30 300-1,500 f/1500 30 1,500-100,000 1.0 30 The power density is calculated as shown below: S = (P x G)/(4 x π x d^2) – used to calculate exposure at 20 cm d = √(S/(P x G) x 4 X π) – used to calculate minimum distance to meet limits S= power density P = transmitter conducted power (in mW) G = antenna numeric gain d = distance to radiation center Page 1 of 2

Table 2 – Power Density Calculations Output Power +10% Antenna Output for Power Frequency Gain power tolerance Density Limit Distance MHz numerical mW mW mW/cm^2 mW/cm^2 902.3 1 11.56 12.716 0.0025311 0.0602 20 908.6 1 11.17 12.287 0.0024457 0.0606 20 914.9 1 13.52 14.872 0.0029602 0.0610 20 Note: This equipment is not intended to be operated by hand. It is expected that a 20cm separation will be maintained at all times. The EIRP values were calculated from the maximized field strength from all possible angles of the EUT. Page 2 of 2


Document Created: 2017-07-27 17:49:11
Document Modified: 2017-07-27 17:49:11
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC