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MIC Notice No.88 Appendix No.43 Ordinance of MPT No.37, 1981: Article 2 paragraph 1 item (19)
Low power data communications system in the 2.4GHz band
Remark: Maintenance of compliance is the responsibility of the manufacturer. Any modification of the product maybe which result in lowering the emission should be checked to ensure compliance has been maintained.
Note 1: The tests were performed according to the method of measurements prescribed in MIC Notice No.88 Appendix No.43.
Note 2: It is unnecessary to testing, when a E.I.R.P. is less than the variable E.I.R.P. limit of minimum (DSSS: 12.14dBm/MHz) or less, FHSS (2427-2470.75 MHz): 6.91dBm/MHz or less, etc.)
Note 3: Not apply to this device, since EIRP does not require compensation through Antenna Power.
Note 4: Apply for 802.11n40 which the Occupied bandwidth within 26MHz-40MHz.
Test Channel Frequency List
Mode
Channel
Channel Number
Frequency (MHz)
11b
HIGH/MIDDLE/LOW(H/M/L)
13/7/1
2472/2442/2412
11g
HIGH/MIDDLE/LOW(H/M/L)
13/7/1
2472/2442/2412
11n20
HIGH/MIDDLE/LOW(H/M/L)
13/7/1
2472/2442/2412
Test Laboratory
Test Laboratory
Shenzhen EU Testing Laboratory Limited
Address
101, Building B1, Fuqiao Fourth Area, Qiaotou Community, Fuhai Subdistrict, Baoan District, Shenzhen, Guangdong, China
Test Configuration
Test Environment
During the measurement, the normal environmental conditions were within the listed ranges:
Relative Humidity
30% to 60%
Atmospheric Pressure
86 kPa to 106 kPa
Temperature
NT (Normal Temperature) +15°C to +35°C
Working Voltage of the EUT
NV (Normal Voltage) 100 V LV (Low Voltage) 90 V HV (High Voltage) 110 V
Power Supply Voltage Fluctuation Test
Voltage Fluctuation Test
Normal Voltage
High Voltage +10% of Normal Voltage
Low Voltage -10% of Normal Voltage
Input to EUT
AC 100V
AC 110V
AC 90V
Output to RF Module
DC 3.3V
DC 3.3V
DC 3.3V
Voltage Variation (%)
--
0.00%
0.00%
Note: Voltage Variation (%) = (Output high or Low Voltage - Output Normal Voltage)/ Output Normal Voltage* 100% For extreme voltage test, we have tested the relationship between the external power supply and RF IC power supply. Base on the test results, only the normal voltage was selected to perform all items.
Test Equipment
Radiated Emission and RF Test
Equipment
Manufacturer
Model No
Serial No
Cal Date
Cal Due Date
EMI Test Receiver
ROHDE & SCHWARZ
ESPI
EE-006
2024/01/09
2025/01/08
Bilog Broadband Antenna
SCHWARZBECK
VULB 9163
EE-007
2023/01/14
2026/01/13
Double Ridged Horn Antenna
A-INFOMW
LB-10180-NF
EE-008
2023/01/12
2026/01/11
Pre-amplifier
Agilent
8447D
EE-009
2024/01/09
2025/01/08
Pre-amplifier
Agilent
8449B
EE-010
2024/01/09
2025/01/08
MXA Signal Analyzer
Agilent
N9020A
EE-011
2024/01/09
2025/01/08
MXG RF Vector Signal Generator
Agilent
N5182A
EE-012
2024/01/09
2025/01/08
Test Software
Farad
EZ-EMC
EE-015
N.C.R
N.C.R
MIMO Power Measurement Module
TSTPASS
TSPS 2023R
EE-016
2024/01/09
2025/01/08
RF Test Software
TSTPASS
TS32893 V2.0
EE-017
N.C.R
N.C.R
Wideband Radio Communication Tester
ROHDE & SCHWARZ
CMW500
EE-402
2024/02/15
2025/02/14
Loop Antenna
TESEQ
HLA6121
EE-403
2024/02/15
2025/02/14
MXG RF Analog Signal Generator Constant
Agilent
N5181A
EE-406
2024/02/15
2025/02/14
Temperature Humidity Chamber
Guangxin
GXP-401
ES-002
2023/07/31
2024/07/30
Note1: Calibration Company: Shenzhen Academy Of Metrology& Quality inspection.
Note2: Calibration method: Calibration conducted in foreign countries, which is equivalent to calibration conducted by the NICT or a designated calibration agency under Article 102-18-1 and Article 24-2, Paragraph 4 of the Radio Act.
Description of Support Unit
No.
Title
Manufacturer
Model No.
Serial No.
--
--
--
--
--
Measurement Uncertainty
Parameters
Uncertainty
Frequency Error / 99% Bandwidth
(3.2 x f x 10-6) Hz
Antenna Power
1.82 dB
TX-RX Spurious Emissions
1.84 dB
Transmission Antenna Gain
5.36 dB
Temperature
0.8 °C
Humidity
4 %
DC / AC Power Source
0.04%
Note: "f" is the nominal signal frequency in Hz.
Note: This uncertainty represents as expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2.
Test Items
5.1 Frequency Tolerance Test
5.1.1 Test Requirement
Item
Limits
Frequency Tolerance
≤±50 ppm
5.1.2 Test Setup Diagram
Test Setup Diagram: A diagram shows the EUT connected to a Spectrum Analyzer.
5.1.3 Test Procedure
Span=2MHz
Sweep time=Auto
Detector mode=Positive peak
Indication mode=Max hold
EUT has transmitted modulation signal and fixed channelize. f is using the mark cursor to mark the peak frequency value, fc is declaring of channel frequency. Then the frequency error formula is (fc-f)/fcx 106ppm and the limit is less than +50 ppm.
5.1.4 Test Deviation
There is no deviation with the original standard.
5.1.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, carrier mode.
Test Setup Diagram: A diagram shows the EUT connected to a Spectrum Analyzer.
5.2.3 Test Procedure
Set the spectrum analyzer as follows:
Center frequency: Test frequency
Span: Approximately 2 to 3.5 times nominal bandwidth
Resolution bandwidth: Approximately 3% or less nominal bandwidth
Video bandwidth: equivalent to resoluble bandwidth
Sweep time: auto
Sweep mode: Continuous sweep
Detection: Positive peak
Trace mode: Maximum hold
After repeating sweeps until the display shows steady data, store the values at all data points into the computer array variables.
Convert the dB values at all data points to antilogarithm on the power dimension.
Obtain sum total of the power at all data points, and store it as “total power”.
5.2.4 Test Deviation
There is no deviation with the original standard.
5.2.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, channel-selected mode.
5.2.6 Test Data
PASS. Please refer to Annex E for details.
5.3 Antenna Power Test
5.3.1 Test Requirement
Item
Limits
Antenna Power Density
a) FH, FH+DS, or FH+OFDM form 2427 - 2470.75 MHz: ≤3 mW/MHz b) DS but other than a) from 2400~2483.5 MHz: ≤ 10 mW/MHz c) OFDM, but other than a): For OCB of 26MHz or less: ≤ 10 mW/MHz For OCB of over 26 MHz to 40 MHz: ≤5 mw/MHz d) Other than a), b) and c): ≤ 10 mW
Antenna Power Error
+20% (Base on manufacturer declare antenna power density)
EIRP Power
12.14 dBm/MHz
5.3.2 Test Setup Diagram
Test Setup Diagram: A diagram shows the EUT connected to a Spectrum Analyzer.
5.3.3 Test Procedure
The following table is the setting of the spectrum.
Spectrum Parameter
Setting
Span Frequency
0MHz
RB/VB
1MHz
Detector
Positive Peak
Trace
Max hold
Sweep Time
Auto
Power Meter Parameter
Setting
Filter No.
Auto
Measurement time
0.135 s ~ 26 s
Measure equivalent noise bandwidth at 1 MHz resolution bandwidth of the spectrum analyzer and obtain a correction value used for correcting the resolution bandwidth into 1 MHz equivalent bandwidth. However, in case that the spreading bandwidth is 1 MHz or less, correction using the measured equivalent noise bandwidth is not required.
The attenuator shall be adjusted to supply an optimum input level to the spectrum analyzer.
Set the spectrum analyzer as follows to search for frequency giving the maximum antenna power: Centre Frequency: Test frequency Frequency sweep width: Approximately twice the occupied bandwidth Resolution bandwidth: 1MHz Video bandwidth: Approximately 3 times the resolution bandwidth (e.g. 3 MHz) Y-axis scale: 10 dB / div Sweep time: Minimum time to ensure the measuring accuracy (In case of burst wave, one burst shall be included in one sample at least.) Trigger condition: Free-run Number of data points: 1001 points or more Sweep mode: Continuous sweep
5.3.4 Test Deviation
There is no deviation with the original standard.
5.3.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, channel-selected mode.
EUT has the continuous reception mode and fixed only one channelize.
Setting of SA is following as RB / VB: 100 kHz (below 1GHz emissions) / 1 MHz (above 1GHz emissions) / AT:10 dB / Ref: 0dBm / Sweep time: Auto / Sweep Mode: Continuous sweep / Detect mode: Positive peak / Trace mode: Max hold.
SA set RB: 100 kHz and VB: 100 kHz. Then adjust to start frequency 30 MHz and stop frequency 1000 MHz. Search to mark peak reading value + cable loss shall be less than 4 nW.
SA set RB: 1 MHz and VB: 1 MHz. Then adjust to start frequency 1000 MHz and stop frequency 12500 MHz. Search to mark peak reading value + cable loss shall be less than 20 nW.
If power level of lower emissions are more than 1/10 of limit (0.4nW for f < 1 GHz, 2 nW for f≥ 1GHz), all those are to be indicated in the 2nd and 3rd lines. If others are 1/10 or less more of the limit, no necessary to be indicated.
5.5.4 Test Deviation
There is no deviation with the original standard.
5.5.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, channel-selected mode.
5.5.6 Test Data
PASS. Please refer to Annex E for details.
5.6 Interference Prevention Function
5.6.1 Test Requirement
Item
Limits
Identification
≥ 48 bits
5.6.2 Test Setup Diagram
Test Setup Diagram: A diagram shows the EUT connected to Companion Equipment and a Notebook.
5.6.3 Test Procedure
In the case that the EUT has the function of automatically transmitting the identification code: a. Transmit the predetermined identification codes form EUT. b. Check the transmitted identification codes with the demodulator.
In the case of receiving the identification code: a. Transmit the predetermined identification codes form the counterpart. b. Check if communication is normal. c. Transmit the signals other than predetermined ID codes form the counterpart. d. check if the EUT stops the transmission, or if it displays that identification codes are different from the predetermined ones.
5.6.4 Test Deviation
There is no deviation with the original standard.
5.6.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, channel-selected mode.
360/A (If A<1; then A=1) A = {EIRP Power [mW] / 16.36 for DS, OFDM} or A = {EIRP Power [mW] / 4.9 for FH}
Note: This test item will not be applied to the transmission antenna which has a gain of 2.14dBi or less.
5.7.2 Test Setup Diagram
Test Setup Diagram: A diagram illustrates the setup with the EUT, a Measuring Antenna, and a Spectrum Analyzer, showing distances and heights (1.5m, 3m, 1.5m, 0.5m).
5.7.3 Test Procedure
Set EUT and measuring antenna at the same height and roughly facing each other.
Set spectrum analyzer with RBW=1 MHz, VBW=1 KHz, Y scale=5 dB, Detector=Peak, Trace mode=Max Hold, and tune reference level to observe receiving signal position.
Rotate directions of the EUT horizontally and vertically to find the maximum receiving power.
Move the measuring antenna height up and down within ± 50cm of EUT height and swing it to find the maximum output of measuring antenna. The output level at the spectrum analyzer is read as “E”
Calculate permitted radiation angle in horizontal and vertical using EIRP measured in another test method.
Calculate 3dB antenna beam width by the formula below 360/A (If A<1; then A=1). A = {EIRP Power [mW] / 16.36 for DS, OFDM} or A = {EIRP Power [mW] / 4.9 for FH}
5.7.4 Test Deviation
There is no deviation with the original standard.
5.7.5 EUT Operation during Test
The EUT was programmed to be in continuous transmit, channel-selected mode.
5.7.6 Test Data
Note: Because the EIRP is less than 12.14 dBm, this item is not applicable.
5.8 Construction Protection Confirmation Method
The RF and modulation portions are protected against illegal modification as following method:
Protected Method
Description
Structure protection
The terminal number is 40, terminal pitch is 1mm. it can't be easily opened and modified.
Reference Photo: An image shows a printed circuit board (PCB) with various components, a ruler indicating measurements, and labels like 'H1001-3 V1.0', 'OWIFI', 'RX', 'GND', 'BT'.
STATEMENT
The laboratory guarantees the scientificity, accuracy and impartiality of the test, and is responsible for all the information in the report, except the information provided by the customer. The customer is responsible for the impact of the information provided on the validity of the results.
The report without China inspection body and laboratory Mandatory Approval (CMA) mark has no effect of proving to the society.
For the report with CNAS mark or A2LA mark, the items marked with "-" are not within the accredited scope.
This report is invalid if it is altered, without the signature of the testing and approval personnel, or without the "inspection and testing dedicated stamp" or test report stamp.
The test data and results are only valid for the tested samples provided by the customer.
This report shall not be partially reproduced without the written permission of the laboratory.
Any objection shall be raised to the laboratory within 30 days after receiving the report.
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