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Signal Plus
2018.12.21
Antenna Test Report
Signal Plus Technology Co., Ltd
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List of contents
Test setup
Antenna Solution
S Parameter---Return Loss
Efficiency and Peak Gain
Radiation Patterns
Signal PlusAntennas
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1.Test system description---S Parameter
1.1.Test Setup1.1.1 VNA Test Setup
S parameter measurements (S11) were performed using an KeySight E5071C Network Analyzer and previously described tests fixtures. The isolation between antennas is also tested. The testing was performed with apparatus in free space.
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1.1.2 Anechoic Chamber Test SetupThe gain of the antenna was measured in the anechoic chamber(ETS-3D). The chamber provides less
than –30 dB reflectivity from 400 MHz through 6 GHz. The chamber size is:7m*4m*3m.The measurement results are calibrated using a leaky wave horn standard. We can measure the antenna gain and efficiency accurately.
+Z
+Y
+X
Horn Antenna
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1.Test system description--- Anechoic Chamber Test Setup
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1.1.3 Instruments
R&S CMW500
4G/WIFI
(LTE/WIFI b/g/a)
Agilent 8960
2G/3G
(GSM/CDMA/WCDMA)
KeySight E5071C
(400MHz~6GHz)
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1.Test system description--- Test Instruments
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2. Antenna Solution
2.1 Antenna Location Pictures
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X X
Y
Z---in
AntennaLora Antenna 1#:
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Ant:
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N/A IC
N/A
Ant
N/A
2. Antenna Solution
2.2 Matching Circuit
Antenna 1#:
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3.Test Result---Return Loss
S11&SWR
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Lora Antenna 1#:
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3.Test Result---Efficiency/Gain
Freq.(Mhz) 863 867 870
Eff.(%) 49.10 47.40 46.77
Gain(dBi)
1.46 1.44 1.45
Freq.(Mhz)
902 914 928
Eff.(%)44.40 39.70 34.10
Gain(dBi)
0.88 0.55 0.24
Lora Antenna 1#:
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4.Test Result---Radiation Patterns
Lora Antenna 1#:
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2. Antenna Solution
2.1 Antenna Location Pictures
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X X
Y
Z---in
AntennaLora Antenna 2#:
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Ant:
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9pF IC
N/A
Ant
N/A
2. Antenna Solution
2.2 Matching Circuit
Lora Antenna 2#:
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3.Test Result---Return Loss
S11&SWR
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Lora Antenna 2#:
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3.Test Result---Efficiency/Gain
Freq.(Mhz) 470 490 510
Eff.(%) 7.90 12.10 7.9
Lora Antenna 2#:
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4.Test Result---Radiation Patterns
Lora Antenna 2#:
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The end !
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