RF Exposure Evaluation

FCC ID: HD5-SFPMB

RF Exposure Info

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FCCID_4037956

Safety and Productivity Solutions 9680 Old Bailes Road Fort Mill, SC 29707 USA www.honeywell.com www.honeywellaidc.com RF Exposure and Transmitter Power Considerations for the Honeywell BT Module FCC ID: HD5-SFPMB The FCC requires that the calculated MPE be equal to or less than a given limit dependent on frequency at a distance of 20 cm from a device to the body of a user. The following FCC Rule Parts and procedures are applicable: Part 1.1310 – Radiofrequency radiation exposure limits Part 2.1091 – Radiofrequency radiation exposure evaluation: mobile devices KDB447498 D01 v06 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorisation Policies MPE CALCULATIONS The MPE calculation used to calculate the safe operating distance for the user. S = EIRP/4 π R2 Where S = Power density EIRP = Effective Isotropic Radiated Power (EIRP = P x G) P = Conducted Transmitter Power G = Antenna Gain (relative to an isotropic radiator) R = distance to the centre of radiation of the antenna (safe operating distance) Values: Transmitter frequency range = 2402-2480MHz EIRPmax = 11.5dBm {14.1mW} (this includes the 1.8dBi antenna gain)

Power Density Requirement From table 1 (b) - Limits for General Population/ Uncontrolled Exposure of FCC Rule Part 1.1310 for 2400MHz S = 1.0 mW/cm2 Calculation: S = EIRP /4 π R2 S = 14.1/(12.56 x 202) S = 14.1/(5024) S = 0.0028 mW/ cm2 (<1.0 mW/cm2) This equates to a safe operating distance of 1.10 cm at the power density limit of 1.0 mW/cm 2


Document Created: 2018-09-26 16:28:43
Document Modified: 2018-09-26 16:28:43
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