APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 1
Versatile RUN mXTENDTM: 2G, 3G, 4G & 5G coverage
- Antenna Component: RUN mXTENDTM FR01-S4-224
- Dimensions: 12.0 mm x 3.0 mm x 2.4 mm
- Frequency regions: 698-960 MHz, 1710-2690 MHz and 3400-3800 MHz
The RUN mXTENDTM antenna booster has been
designed for providing top quality mobile operation
at 2G, 3G, 4G and 5G in three different frequency
regions: 698-960 MHz, 1710-2690 MHz and 3400-
3800 MHz.
RUN mXTENDTM allows a versatile antenna system
configuration for any mobile or IoT device, where
you can distribute several antenna components on the
printed circuit board. This diverse and reconfigurable
antenna booster distribution enables a top quality
antenna performance with over a 60% of efficiency rate on the low frequency regions and a 70%
efficiency rate on the high frequency ones.
The RUN mXTENDTM chip antenna component and other Fractus Antennas products based on
its proprietary Virtual AntennaTM technology are protected by one or more of the following Fractus
Antennas patents.
All information contained within this document is property of Fractus Antennas and is subject to
change without prior notice. Information is provided “as is” and without warranties. It is prohibited
to copy or reproduce this information without prior approval.
Fractus Antennas is an ISO 9001:2015 certified company. All our antennas are lead-free and
RoHS and REACH compliant.
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 2
TABLE OF CONTENTS
1. PRODUCT DESCRIPTION FR01-S4-224 .......................................................................... 3
2. EVALUATION BOARD 2 PORT (698-960 MHz, 1710-2690 MHz, 3400-3800 MHz) ........... 4
2.1. QUICK REFERENCE GUIDE ..................................................................................... 4
2.2. EVALUATION BOARD 2 PORT (698-960 MHz, 1710-2690 MHz, 3400-3800 MHz) ... 4
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 3
1. PRODUCT DESCRIPTION FR01-S4-224
The RUN mXTENDTM Antenna Booster has been specifically designed for providing the major
level of flexibility to operate any required frequency band inside any wireless device. The RUN
mXTENDTM Antenna Booster is capable of operating the main mobile communication standards,
such as GSM850, GSM900, GSM1800/DCS, GSM1900/PCS, UMTS, LTE700, LTE800, LTE850,
LTE900, LTE1700, LTE1800, LTE1900, LTE2000, LTE2100, LTE2300, LTE2500, and LTE2600,
LTE3500, and LTE3700, through the same antenna component, thus enabling full worldwide 2G,
3G, 4G, and 5G coverage, from 698-960MHz, 1710-2690MHz up to 3400-3800MHz.
The RUN mXTENDTM Antenna Booster offers the flexibility to be tuned at the frequency regions
of interest through the proper adjustment of the matching network. This characteristic provides
an important benefit since removes the need of including different antenna parts inside the same
wireless device for operating different communication standards, thus reducing considerably the
integration complexity while saving costs. The results gathered herein presents how the matching
network should be configured for operating the main mobile communication standards of 2G, 3G,
4G, and 5G.
TOP
BOTTOM
Material: The RUN mXTENDTM Antenna Booster is built on glass epoxy substrate.
APPLICATIONS
Handsets
Smartphones
Tablets
Laptop PCs
Smart Meters
IoT Devices
Modules
Routers
BENEFITS
High efficiency
Small size
Cost-effective
Easy-to-use (pick and place)
Multiband behaviour (worldwide
standards)
Off-the-Shelf Standard Product (no
customization is required)
The RUN mXTENDTM Antenna Booster belongs to a new generation of antenna solutions based
on the Virtual AntennaTM technology owned by Fractus Antennas. The technology is mainly
focused on replacing conventional antenna solutions by miniature and standard components.
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 4
2. EVALUATION BOARD 2 PORT (698-960 MHz, 1710-2690 MHz, 3400-
3800 MHz)
2.1. QUICK REFERENCE GUIDE
698 – 960 MHz
1710 – 2690 MHz
3400 – 3800 MHz
> 60 %
> 75 %
> 65 %
1.6 dBi
3.7 dBi
3.1 dBi
< 3:1
Omnidirectional
Linear
0.19 g
-40 to + 85 ºC
50
12.0 mm x 3.0 mm x 2.4 mm
Table 1 – Technical features. Measures from the Evaluation Board. See Figure 1. Note that for obtaining
comparable results, a ground plane length larger than 100 mm is recommended.
2.2. EVALUATION BOARD 2 PORT (698-960 MHz, 1710-2690 MHz, 3400-3800
MHz)
This Evaluation Board (part number: EB_FR01-S4-224-UFL3R-2P) integrates UFL cables to
connect the RUN mXTENDTM Antenna Boosters with the SMA connectors. It works from 698 MHz
to 960 MHz, from 1710 MHz to 2690 MHz, and from 3400 MHz to 3800 MHz.
Measure
mm
A
131
B
120
C
60
D
8
Tolerance: ±0.2 mm
D: Distance between the RUN
mXTENDTM Antenna Booster and
the ground plane.
Material: The Evaluation Board is
built on FR4 substrate. Thickness
is 1 mm.
Figure 1 – EB_FR01-S4-224-UFL3R-2P. Evaluation Board
providing operation in 3 frequency ranges, 698 MHz to 960 MHz,
1710 MHz to 2690MHz, and 3400 MHz to 3800 MHz.
This product and its use is protected by at least one or more of the following patents and patent
applications US 8,203,492; US 8,237,615; PCT/EP2013/064692; WO2014/012842; US
62/028,494; US 62/072,671; and other domestic and international patents pending. Additional
B
A
C
D
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 5
information about patents related to this product is available at
http://www.fractusantennas.com/virtual-antenna/.
Comments:
Note that in this case the Evaluation Board (Figure 1) integrates two RUN mXTENDTM
Antenna Boosters that are placed together to provide operation at 698-960MHz frequency
range.
The efficiency measures (Figure 3) are shown from 700 MHz due to the minimum
frequency specifications of the Satimo STARGATE 32 anechoic chamber.
2.2.1. MATCHING NETWORKS
The specs of a Fractus Antennas standard product are measured in their Evaluation Board, which
is an ideal case. In a real design, components nearby the antenna, LCD’s, batteries, covers,
connectors, etc. affect the antenna performance. This is the reason why it is highly recommended
placing pads compatible with 0402 and 0603 SMD components for a matching network as close
as possible to the feeding point. Do it in the ground plane area, not in the clearance area. This
provides a degree of freedom to tune the RUN mXTENDTM Antenna Booster once the design is
finished and taking into account all elements of the system (batteries, displays, covers, etc.).
Please notice that different devices with different ground planes and different components nearby
the RUN mXTENDTM Antenna Booster may need a different matching network. To ensure optimal
results, the use of high Q and tight tolerance components is highly recommended (Murata
components).
Matching network for the Evaluation Board
698 – 960 MHz
Value
Part Number
24 nH
LQW18AN24NG00
7.1 nH
LQW15AN7N1G80
3.0 pF
GJM1555C1H3R0WB01
8.2 nH
LQW15AN8N2G00
1710 – 2690 MHz
and
3400 – 3800 MHz
Value
Part Number
0.4 pF
GJM1555C1HR40WB01
3.4 nH
LQW15AN3N4B80
Figure 2 – Matching networks implemented in the Evaluation Board 2 ports (Figure 1).
These matching networks apply to this Evaluation Board. Other configurations would require a
matching network adjustment. Please contact info@fractusantennas.com for more information
related to the antenna booster matching service.
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 6
2.2.2. VSWR AND TOTAL EFFICIENCY
VSWR (Voltage Standing Wave Ratio) and Total Efficiency versus Frequency (GHz).
Figure 3 – VSWR and Total Efficiency for the 698 – 960 MHz range, for the 1710 – 2690 MHz, and for
the 3400 – 3800 MHz range from the Evaluation Board 2 ports (Figure 1).
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 7
2.2.3. RADIATION PATTERNS (698-960 MHz), GAIN, AND EFFICIENCY
Measurement System Set-Up
Evaluation Board in Plane XY
θ = 90º Plane XY at 750 MHz, and 890MHz
= 0º Plane XZ at 750 MHz, and 890MHz
= 90º Plane YZ at 750 MHz, and 890MHz
Gain
Peak Gain
1.6 dBi
Average Gain across the band
0.8 dBi
Gain Range across the band (min, max)
-0.1 <–> 1.6 dBi
Efficiency
Peak Efficiency
73.4 %
Average Efficiency across the band
63.7 %
Efficiency Range across the band (min, max)
54.9 – 73.4 %
Table 2 – Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within the 698 – 960
MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber.
X
Y
Z
θ
X
Y
Z
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 8
2.2.4. RADIATION PATTERNS (1710-2690 MHz), GAIN, AND EFFICIENCY
Measurement System Set-Up
Evaluation Board in Plane XY
θ = 90º Plane XY at 1.71 GHz, 2.2 GHz and
2.69 GHz
= 0º Plane XZ at 1.71 GHz, 2.2 GHz and
2.69 GHz
= 90º Plane YZ at 1.71 GHz, 2.2 GHz and
2.69 GHz
Gain
Peak Gain
3.7 dBi
Average Gain across the band
2.6 dBi
Gain Range across the band (min, max)
1.8 <–> 3.7 dBi
Efficiency
Peak Efficiency
88.7 %
Average Efficiency across the band
80.6 %
Efficiency Range across the band (min, max)
63.3 – 88.7 %
Table 3 – Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within the 1710 – 2690
MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber.
X
Y
Z
θ
X
Y
Z
APPLICATION NOTES
Last updated on February 2018
© 2018 FRACTUS ANTENNAS, S.L. - 9
2.2.5. RADIATION PATTERNS (3400-3800 MHz), GAIN, AND EFFICIENCY
Measurement System Set-Up
Evaluation Board in Plane XY
θ = 90º Plane XY at 3.4 GHz, 3.6 GHz and
3.8 GHz
= 0º Plane XZ at 3.4 GHz, 3.6 GHz and
3.8 GHz
= 90º Plane YZ at 3.4 GHz, 3.6 GHz and
3.8 GHz
Gain
Peak Gain
3.1 dBi
Average Gain across the band
2.9 dBi
Gain Range across the band (min, max)
2.5 <–> 3.1 dBi
Efficiency
Peak Efficiency
70.3 %
Average Efficiency across the band
66.3 %
Efficiency Range across the band (min, max)
59.0 – 70.3 %
Table 4 – Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within the 3400 – 3800
MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber.
X
Y
Z
θ
X
Y
Z