FCC RF Test Report

Report No.: FG992901C

LTE Band 66 Test Results

LTE Band 66 Band Edge Measurements

This section presents band edge emission data for LTE Band 66 across various bandwidths (10MHz, 15MHz, 20MHz) and modulations (QPSK, 16QAM, 64QAM). The data includes measurements for Lowest and Highest Band Edge, for both 1 RB and Full RB configurations. The spectral plots show the reference level, spurious lines, and measured emissions, indicating compliance with limits.

Example: LTE Band 66 / 10MHz / 64QAM - Lowest Band Edge / 1 RB

Range LowRange UpRBWFrequencyPower AbsALimit
1.700 GHz1.709 GHz1.000 MHz1.70601 GHz-42.06 dBm-29.06 dB
1.709 GHz1.710 GHz100.000 kHz1.70999 GHz-36.21 dBm-23.21 dB
1.710 GHz1.720 GHz100,000 kHz1.71056 GHz19.29 dBm-10.71 dB

Example: LTE Band 66 / 15MHz / QPSK - Lowest Band Edge / Full RB

Range LowRange UpRBWFrequencyPower AbsALimit
1.700 GHz1.709 GHz1.000 MHz1.70878 GHz-26.59 dBm-13.59 dB
1.709 GHz1.710 GHz150.000 kHz1.70998 GHz-30.40 dBm-17.40 dB
1.710 GHz1.725 GHz100,000 kHz1.71879 GHz2.37 dBm-27.63 dB

Example: LTE Band 66 / 20MHz / 64QAM - Highest Band Edge / 1 RB

Range LowRange UpRBWFrequencyPower AbsALimit
1.760 GHz1.780 GHz100.000 kHz1.77889 GHz19.96 dBm-10.04 dB
1.780 GHz1.781 GHz200.000 kHz1.78001 GHz-32.84 dBm-19.84 dB
1.781 GHz1.790 GHz1.000 MHz1.78100 GHz-40.54 dBm-27.54 dB

LTE Band 66 Conducted Spurious Emissions

This section details conducted spurious emissions measurements across various LTE Band 66 configurations (1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz) and modulations (QPSK, 16QAM, 64QAM). The data is presented for Lowest, Middle, and Highest channels, covering frequency ranges from 30 MHz to 18 GHz. For each test, specific frequency ranges, RBW (Resolution Bandwidth), measured power, and limit values are provided. All tested emissions were within the specified limits.

Example: LTE Band 66 / 1.4MHz / Lowest Channel / QPSK

Range LowRange UpRBWFrequencyPower AbsALimit
30.000 MHz1.000 GHz1.000 MHz929.95252 MHz-52.83 dBm-39.83 dB
1.000 GHz1.700 GHz1.000 MHz1.65575 GHz-53.44 dBm-40.44 dB
1.790 GHz3.000 GHz1.000 MHz2.99899 GHz-52.05 dBm-39.05 dB
3.000 GHz9.000 GHz1.000 MHz3.42071 GHz-42.78 dBm-29.78 dB
9.000 GHz13.000 GHz1.000 MHz12.69179 GHz-48.81 dBm-35.81 dB
13.000 GHz18.000 GHz1.000 MHz15.74206 GHz-44.95 dBm-31.95 dB

LTE Band 66 Frequency Stability

This section details the frequency stability test results for LTE Band 66, Middle Channel, 10MHz Bandwidth, QPSK modulation. The deviation in ppm (parts per million) is measured across varying temperature and voltage conditions. The reference condition is 20°C and Normal Voltage, where the deviation is 0.0000 ppm. All tested conditions resulted in deviations within the specified limit.

Test ConditionsLTE Band 66 (QPSK) / Middle ChannelLimit
Temperature (°C)Voltage (Volt)BW 10MHz Deviation (ppm)Note 2. Result
50Normal Voltage0.0012PASS
40Normal Voltage0.0035
30Normal Voltage0.0003
20(Ref.)Normal Voltage0.0000
10Normal Voltage0.0034
0Normal Voltage0.0005
-10Normal Voltage0.0012
-20Normal Voltage0.0020
-30Normal Voltage0.0035
20Maximum Voltage0.0019
20Battery End Point0.0007

Notes:

  • Normal Voltage = 3.8 V; Battery End Point (BEP) = 3.6 V; Maximum Voltage = 4.4 V.
  • The frequency fundamental emissions stay within the authorized frequency block.

LTE Band 71 Test Results

LTE Band 71 / 20MHz Peak-to-Average Ratio (PAR)

This section presents the Peak-to-Average Ratio (PAR) measurements for LTE Band 71 with 20MHz bandwidth. Data is provided for QPSK, 16QAM, and 64QAM modulations across Lowest, Middle, and Highest channels, for both 1RB and Full RB configurations. The limit for PAR is 13dB. All tested configurations passed the limit.

ModeMod.RB SizeQPSK16QAM64QAMLimit: 13dB
1RBFull RB1RBFull RB1RBFull RBResult
LTE Band 71 / 20MHzQPSKLowest CH3.624.615.425.86PASS
Middle CH3.514.235.195.57
Highest CH3.544.125.165.33
QPSKLowest CH5.425.83PASS
Middle CH4.875.59
Highest CH5.285.33

LTE Band 71 26dB Bandwidth

This section details the 26dB bandwidth measurements for LTE Band 71 across various bandwidths (5MHz, 10MHz, 15MHz, 20MHz) and modulations (QPSK, 16QAM, 64QAM). The table lists the measured bandwidth in MHz for each channel (Lowest, Middle, Highest) and configuration.

BandwidthModulationLowest CHMiddle CHHighest CH
QPSKQPSKQPSK
5MHz4.8754.9354.915
10MHz9.919.599.77
15MHz14.38614.50514.386
20MHz20.1420.1820.46
BandwidthModulationLowest CHMiddle CHHighest CH
16QAM16QAM16QAM
5MHz4.8754.8754.975
10MHz9.739.859.77
15MHz14.47614.47614.505
20MHz20.2220.2620.3
BandwidthModulationLowest CHMiddle CHHighest CH
64QAM64QAM64QAM
5MHz4.9254.9654.955
10MHz9.659.859.69
15MHz14.38614.23614.356
20MHz20.0620.1820.06

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