USER MANUAL
DUO mXTEND
TM
(NN03-320)
Last updated on July 2019
© 2019 FRACTUS ANTENNAS, S.L. -
8
2.2.3.
RADIATION PATTERNS (1561MHz, 1575MHz, and 1598 - 1606MHz), GAIN AND EFFICIENCY
Measurement System Set-Up
Evaluation Board in Plane XY
= 90º Plane XY at
1.561 GHz
,
1.575 GHz
and
1.602 GHz
= 0º Plane XZ at
1.561 GHz
,
1.575 GHz
and
1.602 GHz
= 90º Plane YZ at
1.561 GHz
,
1.575 GHz
and
1.602 GHz
BeiDou
Gain
-1.1 dBi
Efficiency
44.6 %
GPS
Gain
-1.0 dBi
Efficiency
49.7 %
GLONASS
Gain
Peak Gain
-1.0 dBi
Average Gain across the band
-1.0 dBi
Gain Range across the band (min, max)
-1.0
<
–
>
-1.0 dBi
Efficiency
Peak Efficiency
54.6 %
Average Efficiency across the band
53.9 %
Efficiency Range across the band (min, max)
53.0
– 54.6 %
Table 2
–
Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) for BeiDou E1 (1561
MHz), GPS L1 (1575 MHz) and GLONASS L1 (1598 MHz
– 1606 MHz) bands. Measures made in the
Satimo STARGATE 32 anechoic chamber.
X
Y
Z
θ
X
Y
Z
-30
-25
-20
-15
-10
-5
0
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
-30
-25
-20
-15
-10
-5
0
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
-30
-25
-20
-15
-10
-5
0
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
180
240
270
310
330
120
150
0
30
60
90
210
