© 2007. All Rights Reserved.
Pulse Finland Oy
Takatie 6
90440 Kempele, Finland
Tel: +358 207 935 500
Fax: +358 207 935 501
www.pulseeng.com/antennas
W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07).
ISM 900MHz Helical SMD-Antenna
Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A
Features
-Verticalmountonboard
-CompactsizeWxLxH(2.5x8x8mm)
-Lowweight(390mg)
-LeadFreematerials
-FullySMDcompatible
•GlueneededbetweenantennaandPWB
-Leadfreesolderingcompatible
-Tapeandreelpacking
-RoHSCompliantProduct
Applications
-900MHzISMBandSystems
Engineering samples available
Electrical specications @ +25 °C
Note: Electrical characteristics depend on test board
(GP) size and antenna positioning on GP and Ground
Clearance area size.
ISM 900MHz
Typicalperformance(testboardsize100x40mm,PWBgroundclearancearea6.00x11.00mm)
FrequencyRange
[MHz]
902–928
MaxGain
[dBi]
0.9(peak)
-0.3(bandedges)
Efciency
[%]/[dB]
67/-1.7(peak)
50/-3(bandedges)
Returnloss
min.[dB]
-10
Impedance
[Ω]
50
Operating
Temperature[°C]
-40to+85
© 2007. All Rights Reserved.
Pulse Finland Oy
Takatie 6
90440 Kempele, Finland
Tel: +358 207 935 500
Fax: +358 207 935 501
www.pulseeng.com/antennas
W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07).
ISM 900MHz Helical SMD-Antenna
Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A
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Typical Electrical Characteristics (T=25 °C)
TypicalReturnLossS11/impedance,
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© 2007. All Rights Reserved.
Pulse Finland Oy
Takatie 6
90440 Kempele, Finland
Tel: +358 207 935 500
Fax: +358 207 935 501
www.pulseeng.com/antennas
W3112A Datasheet version 1.3 ISM 900 MHz Helical SMD-Antenna. (11/07).
ISM 900MHz Helical SMD-Antenna
Ground cleared under antenna, clearance area 6.00 x 11.00 mm. Pulse Part Number: W3112A
XZ-PLANE
Typical Free space Radiation Patterns
ZY-PLANE
XY-PLANE