AHR-M8T General Consumer Home Robot RF Exposure Info FCC IC RF EXPOSURE REPORT Robert Bosch Start-Up Platform North America LLC

Robert Bosch Start-Up Platform North America LLC General Consumer Home Robot

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Report Number. : 11988903-E6V1
Applicant :
Model :
FCC ID :
Mayfield Robotics
400 Convention Way
Redwood City, CA 94063
AHR-M8T
2AN44-AHR-M8T
EUT Description :
General Consumer Home Robot
Test Standard(s) :
FCC Part 1 Subpart I
FCC Part 2 Subpart J
Date Of Issue:
June 27, 2018
Prepared by:
UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538, U.S.A.
TEL: (510) 771-1000
FAX: (510) 661-0888
NVLAP Lab Code 200065-0 (Fremont)
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
Revision History
Issue
Date
Revisions
Revised By
V1
6/11/2018
Initial Issue
---
V2
6/27/2018
Updated antenna gains, Tolerances
F. de Anda
Rev.
Page 2 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
TABLE OF CONTENTS
1.
ATTESTATION OF TEST RESULTS ................................................................................. 4
2.
TEST METHODOLOGY ..................................................................................................... 5
3.
REFERENCES ................................................................................................................... 5
4.
FACILITIES AND ACCREDITATION ................................................................................. 5
5.
DESCRIPTION OF EUT ..................................................................................................... 5
6.
MAXIMUM PERMISSIBLE RF EXPOSURE ....................................................................... 6
7.
6.1.
FCC RULES ................................................................................................................ 6
6.2.
IC RULES .................................................................................................................... 7
6.3.
EQUATIONS................................................................................................................ 8
6.4.
LIMITS AND IC EXEMPTION .....................................................................................10
RF EXPOSURE RESULTS ................................................................................................11
Page 3 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
1. ATTESTATION OF TEST RESULTS
COMPANY NAME:
Mayfield Robotics
400 Convention Way
Redwood City, CA 94063
EUT DESCRIPTION:
General Consumer Home Robot
MODEL:
AHR-M8T
SERIAL NUMBER:
NA
DATE TESTED:
NA
APPLICABLE STANDARDS
STANDARD
TEST RESULTS
FCC PART 1 SUBPART I & PART 2 SUBPART J
Exempt from SAR testing
UL Verification Services Inc. calculated the RF Exposure of the above equipment in
accordance with the requirements set forth in the above standards, using test results reported in
the test report documents referenced below and/or documentation furnished by the applicant.
All indications of Pass/Fail in this report are opinions expressed by UL Verification Services Inc.
based on interpretations of these calculations. The results show that the equipment is capable
of demonstrating compliance with the requirements as documented in this report.
Note: The results documented in this report apply only to the tested sample, under the
conditions and modes of operation as described herein. This document may not be altered or
revised in any way unless done so by UL Verification Services Inc. and all revisions are duly
noted in the revisions section. Any alteration of this document not carried out by UL Verification
Services Inc. will constitute fraud and shall nullify the document. This report must not be used
by the client to claim product certification, approval, or endorsement by NVLAP, NIST, any
agency of the Federal Government, or any agency of the U.S. government.
Approved & Released For
UL Verification Services Inc. By:
Francisco de Anda
CONSUMER TECHNOLOGY DIVISION
Operations Leader
UL Verification Services Inc.
Page 4 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
DATE: June 27, 2018
MODEL: AHR-M8T
2. TEST METHODOLOGY
All calculations were made in accordance with FCC OET Bulletin 65 Edition 97-01 and IC Safety
Code 6.
3. REFERENCES
All measurements were made as documented in test report UL Verification Services Inc.
Document 11988903-E1V2 FCC DTS Report, 11988903-E2V2 FCC BLE Report and 11988903E3V2 FCC BT Report for operation in the 2.4 GHz band and UL Verification Services Inc.
Document 11988903-E5V2 FCC UNII Report for operation in the 5 GHz bands.
Duty cycle data is excerpted from the applicable test reports.
Output power is excerpted from the applicable test reports.
Antenna gain data is excerpted from product documentation provided by the applicant.
4. FACILITIES AND ACCREDITATION
The test sites and measurement facilities used to collect data are located at 47173 Benicia
Street, Fremont, California, USA.
UL Verification Services Inc. is accredited by NVLAP, Laboratory Code 200065-0.
5. DESCRIPTION OF EUT
The EUT is a general consumer home robot
Page 5 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
6. MAXIMUM PERMISSIBLE RF EXPOSURE
6.1.
FCC RULES
§1.1310 The criteria listed in Table 1 shall be used to evaluate the environmental impact of
human exposure to radio-frequency (RF) radiation as specified in §1.1307(b), except in the case
of portable devices which shall be evaluated according to the provisions of §2.1093 of this
chapter.
TABLE 1—LIMITS FOR M AXIMUM PERMISSIBLE EXPOSURE (MPE)
Frequency range Electric field strength Magnetic field strength Power density Averaging time
(MHz)
(V/m)
(A/m)
(mW/cm )
(minutes)
(A) Limits for Occupational/Controlled Exposure
0.3-3.0
614
1.63
*100
1.0
f/300
1.63
*100
30
30
0.2
30
f/1500
30
1.0
30
3.0-30
1842/f
4.89/f
30-300
61.4
0.163
300-1,500
*900/f
1,500-100,000
(B) Limits for General Population/Uncontrolled Exposure
0.3-1.34
614
1.34-30
824/f
2.19/f
30-300
27.5
0.073
300-1,500
1,500-100,000
*180/f
f = frequency in MHz
* = Plane-wave equivalent power density
Notes:
(1) Occupational/controlled exposure limits apply in situations in which persons are exposed
as a consequence of their employment provided those persons are fully aware of the
potential for exposure and can exercise control over their exposure. Limits for
occupational/controlled exposure also apply in situations when a person is transient
through a location where occupational/controlled limits apply provided he or she is made
aware of the potential for exposure.
(2) General population/uncontrolled exposure limits apply in situations in which the general
public may be exposed, or in which persons who are exposed as a consequence of their
employment may not be fully aware of the potential for exposure or cannot exercise
control over their exposure
Page 6 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
6.2.
DATE: June 27, 2018
MODEL: AHR-M8T
IC RULES
IC Safety Code 6 (2015), Section 2.2.2: To ensure compliance with the basic restrictions outlined
in Section 2.1, at frequencies between 10 MHz and 300 GHz, the reference levels for electric- and
magnetic-field strength and power density must be complied with.
TABLE 5: Reference Levels for Electric Field Strength, Magnetic Field Strength and Power
Density in Uncontrolled Environments
TABLE 6: Reference Levels for Electric Field Strength, Magnetic Field Strength and Power
Density in Controlled Environments
Page 7 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
6.3.
DATE: June 27, 2018
MODEL: AHR-M8T
EQUATIONS
POWER DENSITY
Power density is given by:
S = EIRP / (4 * Pi * D^2)
Where
S = Power density in mW/cm^2
EIRP = Equivalent Isotropic Radiated Power in mW
D = Separation distance in cm
Power density in units of mW/cm^2 is converted to units of W/m^2 by multiplying by 10.
DISTANCE
Distance is given by:
D = SQRT (EIRP / (4 * Pi * S))
Where
D = Separation distance in cm
EIRP = Equivalent Isotropic Radiated Power in mW
S = Power density in mW/cm^2
SOURCE-BASED DUTY CYCLE
Where applicable (for example, multi-slot cell phone applications) a duty cycle factor may be
applied.
Source-based time-averaged EIRP = (DC / 100) * EIRP
Where
DC = Duty Cycle in %, as applicable
EIRP = Equivalent Isotropic Radiated Power in W
Page 8 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
DATE: June 27, 2018
MODEL: AHR-M8T
MIMO AND COLOCATED TRANSMITTERS (IDENTICAL LIMIT FOR ALL TRANSMITTERS)
For multiple chain devices, and colocated transmitters operating simultaneously in frequency
bands where the limit is identical, the total power density is calculated using the total EIRP
obtained by summing the EIRP (in linear units) of each transmitter.
Total EIRP = (EIRP1) + (EIRP2) + ... + (EIRPn)
where
EIRPx = Source-based time-averaged EIRP of chain x or transmitter x
The total EIRP is then used to calculate the Power Density or the Distance as applicable.
MIMO AND COLOCATED TRANSMITTERS
For multiple colocated transmitters operating simultaneously in frequency bands where different
limits apply:
The Power Density at the specified separation distance is calculated for each transmitter chain
or transmitter.
The fraction of the exposure limit is calculated for each chain or transmitter as
(Power Density of chain or transmitter) / (Limit applicable to that chain or transmitter).
The fractions are summed.
Compliance is established if the sum of the fractions is less than or equal to one.
Page 9 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
6.4.
DATE: June 27, 2018
MODEL: AHR-M8T
LIMITS AND IC EXEMPTION
INDUSTRY CANADA EXEMPTION
RSS-102 Clause 2.5.2 RF exposure evaluation is required if the separation distance between
the user and the device’s radiating element is greater than 20 cm, except when the device
operates as follows:
• at or above 300 MHz and below 6 GHz and the source-based, time-averaged maximum e.i.r.p.
of the device is equal to or less than 1.31 x 10^-2 ƒ^0.6834 W (adjusted for tune-up tolerance),
where ƒ is in MHz;
Page 10 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
7. RF EXPOSURE RESULTS
In the table(s) below, Power and Gain are entered in units of dBm and dBi respectively and
conversions to linear forms are used for the calculations.
(Single chain transmitters, no colocation, MPE distance > 20 cm)
Single Chain and non-colocated transmitters
Band
Mode
FCC
IC
Limit
Output Antenna
AVG
Power
(mW/cm^2) (W/m^2) (dBm)
2.4 GHz
Limit
EIRP
Gain
Duty
EIRP
Cycle
Separation
Distance
(dBi)
(dBm)
(%)
(mW)
(cm)
-16.99
3.10
-13.89
59.5
0.02
0.04
BLE
1.00
10.0
2.4 GHz
BT
1.00
10.0
-0.90
3.10
2.20
76.9
1.28
0.32
2.4 GHz
WLAN
1.00
10.0
16.94
3.10
20.04
100.0
100.9
2.83
5 GHz
WLAN
1.00
10.0
18.55
3.60
22.15
100.0
164.1
3.61
Band
Distance
2.4 GHz BLE
2.4 GHz BT
2.4 GHz WLAN
20.00
5 GHz WLAN
BLE/2.4GHz
WLAN
Combined
BT/2.4GHz
WLAN
Combined
BLE/5GHz
WLAN
Combined
BT/5GHz
WLAN
Combined
20.00
FCC Power
Density
(mW/cm^2)
0.000005
IC Power
Density
(W/cm^2)
0.00005
0.0003
0.003
0.020
0.201
0.033
0.327
0.020
0.201
0.020
0.203
0.033
0.327
0.033
0.329
The device operates above 300 MHz and below 6 GHz with a maximum EIRP less than or
equal to 2.7 Watts in 2.4GHz band and 4.9 Watts in the 5GHz bands as a mobile device with a
minimum separation distance of 20 cm, therefore it is exempt from routine RF Exposure
Evaluation under RSS-102.
Page 11 of 12
UL VERIFICATION SERVICES INC.
FORM NO: CCSUP4701I
47173 BENICIA STREET, FREMONT, CA 94538, USA
TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
DATE: June 27, 2018
MODEL: AHR-M8T
REPORT NO: 11988903-E6V1
FCC ID: 2AN44-AHR-M8T
Notes:
1) A tolerance value was included in the output power values above to cover the output
power tolerance under extreme conditions as declared by the client as below;
BLE
+1.00 dB
BT
+1. 25 dB
2.4 GHz WLan
+1.00 dB
5 GHz Wlan
+3.00 dB
Standard Bluetooth RF Characteristics:
The manufacturer power variation over temperature is up to +/- 1.25dB
BLE RF Characteristics:
The manufacturer power variation over temperature is up to +1dB / -4dB
WiFi RF Characteristics:
The manufacturer power variation over temperature is up to +/- 1.0dB for 2.4GHz band.
The manufacturer power variation over temperature is up to +/- 3.0dB for bands greater
than 5.0GHz.
2) The output power in the tables above is the maximum power per chain among various
channels and various modes within the specific band.
3) The antenna gain in the tables above is the maximum antenna gain among various
channels within the specified band.
END OF REPORT
Page 12 of 12
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FORM NO: CCSUP4701I
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TEL: (510) 771-1000
FAX: (510) 661-0888
This report shall not be reproduced except in full, without the written approval of . UL Verification Services Inc.
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Document ID3909496
Application IDLcqtayuvI7YZWRJjXcJCTg==
Document DescriptionRF exposure info
Short Term ConfidentialNo
Permanent ConfidentialNo
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Date Submitted2018-07-03 00:00:00
Date Available2018-07-03 00:00:00
Creation Date2018-06-28 10:48:26
Producing SoftwareMicrosoft® Word 2010
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Document TitleFCC IC RF EXPOSURE REPORT
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Document Author: Mike Heckrotte

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