LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Features Applications
Electrical Characteristics
Item Spec* Comments
Working Frequency Range 700~960 MHz / 1710~2170 MHz / &
2500~2700 MHz Covers 4G LTE
VSWR 4.5 : 1 max Depends on the environment
Peak Gain (2400~2500MHz) -3.77dB min / -1.13dB max
Frequency dependent
measured from 824MHz to
2700MHz
Efciency
700~960 MHz 55%
1710~ 2170MHz 70%
2500~2700MHz 50%
Polarization Linear
Impedance 50 Ω
Terminations Ag Environmentally Friendly Pb
Free
Operating Temperature -40˚C ~ 85˚C
Storage Temperature -40˚C ~ 85˚C
* Data collected per Table on standard evaluation board size 45 x 107 mm, and under the environmental conditions of +40˚C and
0-95% relative humidity.
** Actual Electrical value will depend on customer ground plane size
• 4G/LTE full band coverage
(700~960 MHz, 1710~2170 MHz,
2500~2700MHz)
• 2G/3G/GSM support
• Compact size
• Linear polarization
• IoT
• M2M
• 4G/LTE/3G/2G/GSM applications
• Telecommunications
• Networking
• Wireless modules
• Mobile devices
• Consumer electronics
• Broadband cellular connectivity
• Video and surveillance
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Dimensions
Evaluation Board and Dimensions
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Recommended Layout Dimensions
Recommended Layout from Evaluation Board
T and w = Unique dimensioning according to your PCB design.
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Antenna Response – Return Loss S11
Return Loss 700MHz 960MHz 1710MHz 2170MHz 2500MHz 2700MHz
S11 -4.34dB -8.50dB -4.62dB -13.87dB -8.49dB -6.49dB
Circuit Symbol Size Description
L1 0402 6.8nH
C1 0402 3pF Capacitor
Evaluation Board showing position of match components and solder pads
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Antenna SWR
Antenna Smith Chart
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
GSM Antenna Performance Summary*
Band (MHz) 824 960 1710 1850 1990 2170 2500 2700
Efciency (%) 54.50 51.26 45.07 57.30 67.94 77.00 56.66 41.99
Average Gain (dBi) -2.47 -2.49 -3.46 -2.42 -1.67 -1.13 -2.46 -3.77
Antenna Performance
Antenna Efciency Versus Ground Plane Length
* (Ground Length 107 mm)
Reference Efciency vs Ground Plane Length
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Antenna 3D Radiation Patterns – Evaluation Board
Radiation patterns (3D)
Coordinates
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Reow Soldering Standard Condition
Abracon’s ACAR3705-S698 Planer Inverted-F antenna can be assembled following either Sn-Pb or Pb-free assembly. According
to the Standard IPC/JEDEC J-STD-020C, the temperature prole suggested is as follow:
Phase Prole Features Sn-Pb Assembly Pb-Free Assembly
(SnAgCu)
Ramp-Up Avg Ramp-Up Rate (Tsmax to TP) 3°C /second(max) 3°C /second(max)
Preheat
-Temperature Min (Tsmin)
-Temperature Max (Tsmax)
-Time (Tsmin to Tsmax)
100°C
150°C
60-120 seconds
100°C
150°C
60-120 seconds
Reow -Temperature (TL)
-Total Time above TL (t L)
183°C
60-150 seconds
217°C
60-150 seconds
Peak -Temperature (TP)
-Time(tp)
235°C
10-30 seconds
260°C
20 - 40 second
Ramp-Down Rate 6°C / second max. 6°C / second max.
Time from 25°C to Peak Temperature 6 minutes max 8 minutes max.
Reow Prole
LL
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ABRACON IS
ISO9001-2015
CERTIFIED
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
REVISED: 11.09.2018
4G/LTE Ceramic Chip Antenna
Pb
37.0 x 5.0 x 5.0 mm
RoHS/RoHS II Compliant
MSL = 1
ACAR3705-S698
Packaging
Tape Dimensions (mm)
Reel Dimensions (mm)
1. Blister tape to IEC 286-3, polyester.
2. Pieces per tape /reel: 450pcs
3. MOQ: 1350pcs (3 x reels)
ATTENTION: Abracon LLC’s products are COTS – Commercial-O-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applica-
tions. Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability
where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment,
written consent and authorization from Abracon LLC is required. Please contact Abracon LLC for more information.
