Antenova-SRFG017-100
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Bentoni GNSS Antenna
Part No. SRFG017
flexiiANT
®
Product Specification
1. Features
Antenna for 1559
–
1609 MHz applications
Solution for all global public constellations: GPS, GLONASS, Beidou and
GALILEO
Maintains high performance within device: DFI (Designed For Integration)
1.13mm diameter RF cable with I-PEX MHF connector
Self-adhesive mounted
Quick integration minimizes design cycle
High performance
50mm OR 100mm cable
–
(other lengths available, MOQs apply)
2. Description
Bentoni is intended for use with all positioning applications. It is a flexible antenna
with a cable enabling direct connection to the host PCB for easy integration with plug
and play simplicity. This product specification shows the performance of the antenna
to cover a typical GNSS reception: 1559
–
1609 MHz.
3. Applications
Trackers
Portable devices
Drones
Network devices
Wearable devices
Antennas for Wireless Applications
Product Specification SRFG017-PS-1.
8
Page 1
Bentoni
Part No. SRFG017
4. Part
Number
Bentoni: SRFG017
-xxx
Note. -xxx refers to cable length option:
Part Number
Cable Length
SRFG017-50
50mm
SRFG017-100
100mm
5. General
Data
Product name
Bentoni
Part Number
SRFG017
Frequency
1559
–
1609MHz
Linear
Polarization
Operating temperature
Environmental condition test
Impedance with matching
Weight
-40°C to +85°C
ISO 16750-4
5.1.1 / 5.1.2
50 Ω
< 0.5 g
FPC Self-adhesive 3M
468MP
Antenna Assembly type
Dimensions (Antenna)
Cable length (mm)
Connection
40.0 x 14.0 x 0.15 (mm)
50 /100 (other lengths available)
I-PEX MHF1 (20278-112R-13)
6. RF
Characteristics
1559
–
1609 MHz
Conditions
Peak gain
4.0dBi
-1.2dBi
>75%
-14dB
1.45:1
Average gain
All data
measured in a loaded
condition adhered to a plastic
carrier free space.
Average efficiency
Maximum return loss
Maximum VSWR
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 2
Bentoni
Part No. SRFG017
7. RF
Performance
7.1 Return Loss
[dB]
5
Atyune
0
-5
-10
-15
-20
-25
4
1
3
2
-30
-35
[MHz]
1700
1450
1500
MHz
1550
1600
1650
MARKERS:
dB
MHz
dB
1: 1563
-15.40
2: 1587
-18.18
3: 1597
-17.06
4: 1609
-14.76
7.2 VSWR
[]
Atyune
10
9
8
7
6
5
4
3
2
4
1
3
2
[MHz]
1700
1
1450
1500
1550
1600
1650
MARKERS:
MHz
MHz
1: 1563
2: 1587
1.41
1.28
3: 1597
4: 1609
1.33
1.45
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 3
Bentoni
Part No. SRFG017
7.3 Antenna patterns
7.3.1 1575
MHz
3D pattern at 1575MHz
Drag to rotate pattern and PCB by using Adobe Reader
(Click to Activate)
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 4
Bentoni
Part No. SRFG017
8. Antenna
Dimensions
8.1 Dimensions FPC section
2 Holes = 1mm ø (diameter)
L
W
T
Length
Width
Thickness
40.0 ±0.2 (mm)
14.0 ±0.2 (mm)
0.15 (mm) nominal
All dimensions in mm
8.2 Dimensions assembled
L
SRFG017
-50
L
SRFG017
-100
L
The standard cable lengths for this
antenna are 50mm and 100mm (other
lengths are available, MOQs apply)
57 ±2.0 (mm)
107 ±2.0 (mm)
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 5
Bentoni
Part No. SRFG017
8.3 I-PEX Connector MHF1 (20278-112R-13)
I-PEX
Copper Alloy
Ag
Material
Plating
Side
Front
Back
5.0
2
.0
All dimensions in mm
8.4 Assembly
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 6
Bentoni
Part No. SRFG017
9. Electrical
Interface
9.1 Host Interface
The host PCB requires the mating connector which is the I-PEX MHF (UFL)
receptacle. The location should be close to the chip/modules pin for the RF. Any
feed from this receptacle should be maintained at 50
Ω
impedance.
9.2 Transmission Line
All transmission lines should be designed to have a characteristic impe
dance of 50Ω.
• The length of the transmission lines should be kept to a minimum
• Any other parts of the RF system like transceivers, power amplifiers, etc, should
also be designed to have an impedance of 50 Ω
Once the material for the PCB has been chosen, (PCB thickness and dielectric
constant), a coplanar transmission line can easily be designed using any of the
commercial software packages for transmission line design. For the chosen PCB
thickness, copper thickness and substrate dielectric constant, the program will
calculate the appropriate transmission line width and gaps on either side of the feed.
A DC blocking capacitor should be placed in line to protect the RF front end.
10. Mechanical
Fixing
The antenna uses 3M 468MP adhesive on the reverse side of the FPC. The antenna
has an easy access split line to peel off to reveal the adhesive side. It is designed for
a one time fix to a clean smooth surface.
FPC back side
Split line for
easy peel
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 7
Bentoni
Part No. SRFG017
10.0 Antenna Integration Guide
10.1 Placement
For placing the FPC antenna within a device, the host PCB size is not a factor as
with PCB mounted antennas. However placement still needs to follow some basic
rules, as any antenna is sensitive to its environment.
Use the six spatial directions shown below as a guide.
The antenna FPC section
should ideally maintain a minimum of three directions free from obstructions to be
able to operate effectively. The other directions will have obstacles in their path –
these directions still require a minimum clearance.
Six spatial directions relative to FPC
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 8
Bentoni
Part No. SRFG017
10.2 Orientation of FPC
The orientation of the FPC with respect to the host PCB should be defined
depending on the unit. The proximity of the GND will have an influence on the
antenna so the PCB location relative to the antenna should be considered.
The FPC will normally be placed in one of the three following options for orientation.
In each option a distance (d) is the critical dimension to consider. See the minimum
value of (d) for each, below. Other obstructions may increase this dimension.
1) Vertical
mounted
FPC
Cable +Connector
d ≥ 3
mm
PCB
2) Co-planar to PCB
d ≥ 12
mm
3) Planar to
PCB (Same plane)
d ≥ 3
mm
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 9
Bentoni
Part No. SRFG017
10.3 Device Integration Example
An example of integration within a drone is shown below. The device contains the
major components along with the device outer case. The FPC is shown adhered to
the inside of the device
’s
plastic housing. The length of the cable should be chosen
to be sufficient to allow ease of assembly when produced (SRFG017-100 in
example).
The FPC was placed vertically relative to the PCB. The FPC is kept at maximised
height above the PCB to ensure it is above the minimum
clearance of ≥
2mm. This
example shows the FPC 5mm above the PCB. For this type of device it is advisable
to keep the antenna away from the electric motor cables and motors themselves that
may interfere.
For vertical placement
relative to PCB d=15mm
(min
≥2mm)
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 10
Bentoni
Part No. SRFG017
11. Hazardous
Material Regulation Conformance
The antenna has been tested to conform to RoHS requirements. A certificate of
conform
ance is available from Antenova’
s website.
12. Packaging
The antennas are stored in individual plastic (PE) bags, then stored within a second
bag of 100 pcs.
Single antenna per bag
100 units per second bag (Labelled)
12.1 Optimal Storage Conditions
Temperature
Humidity
-10ºC to 40ºC
Less than 75% RH
Shelf life
18 Months
Storage place
Away from corrosive gas and direct sunlight
Antennas should be stored in unopened sealed
manufacturer’s plastic packaging.
Packaging
The shelf life of the antenna is 18 months, provided the bag of 100 pieces remains factory
sealed.
Antennas for Wireless Applications
Product Specification
SRFG017-PS-1.
8
Page 11
12.2 Label Information
Antennas for Wireless Applications
Product Specification SRFG017-PS-1.
8
Page 12
Quality statements
Antenova’s products conform to REACH and RoHS legislation. For our statements
Antenna design, integration and test resources
Product designers
–
the details contained in this datasheet will help you to complete
your embedded antenna design. Please follow our technical advice carefully to
obtain optimum antenna performance.
It is our goal that every customer will create a high performing wireless product using
Antenova’s antennas. You will find a wealth of design resources, calculators and
case studies to aid your design at our website.
Antenova’s design laboratories are equipped with the latest antenna design tools
and test chambers. We provide antenna design, test and technical integration
services to help you complete your design and obtain certifications.
If you cannot find the antenna you require in our product range, please contact us to
discuss creating a bespoke antenna to meet your requirement exactly.
Contacts
Join our online antenna design community:
ask.antenova.com
Global Headquarters:
Antenova Ltd, 2
nd
Floor Titan Court, 3 Bishop Square,
Hatfield, AL10 9NA
+44 (0) 1223 810600
Copyright
®
Antenova Ltd.
All Rights Reserved. Antenova
®
, gigaNOVA
®
, RADIONOVA
®
, the Antenova product
family names and the Antenova logos are trademarks and/or registered trademarks of Antenova Ltd. Any other
names and/or trademarks belong to their respective companies. The materials provided herein are believed to be
reliable and correct at the time of printing. Antenova does not warrant the accuracy or completeness of the
information, text, graphics or other items contained within this information. Antenova further assumes no
responsibility for the use of this information,
and all such information shall be entirely at the user’s risk.
Antennas for Wireless Applications
Product Specification SRFG017-PS-1.
8
released January 2016, updated
November
2019 Page
13
