W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Features - Low profile (5.5 mm) - Compact size W x L x H (5.0 x 2.5 x 5.5 mm) - Low weight (140 mg) - Lead Free materials - Fully SMD compatible - Lead free soldering compatible - Tape and reel packing - RoHS Compliant Product Applications - IEEE 802.11b/g - Bluetooth - WiFi - 2.4 GHz WLAN - 2.4 GHz ISM Band Systems - ZigBee IEEE 802.15.4 Engineering samples available Electrical specifications +25 C Note: Electrical characteristics depend on test board (GP) size and antenna positioning on GP and Ground Clearance area size. 2.4 GHz WiFi Typical performance (testboard size 100 x 40 mm, PWB ground clearance area 7.5 x 5.5 mm) Values below are measured inside typical mobile phone chassis including all mechanics Frequency Range Max Gain Efficiency Return loss Impedance Operating MHz dBi % / dB min. dB Temperature C 2400 2483.5 1.5 50 / -3 -8 50 -40 to +85 Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas 2007. All Rights Reserved.W3108 Datasheet version 2.1. 2.4 GHz Helical WiFi SMD Antenna. (11/07). 2.4 GHz Helical WiFi SMD Antenna Ground cleared under antenna, clearance area 7.50 x 5.50 mm. Pulse Part Number: W3108 Typical Electrical Characteristics (T=25 C) Measured on basic chassis including PWB, display, battery and plastic covers. Chassis size abt. 17 x 40 x 100 mm. Typical Return Loss S11/ impedance B ( ) ( ) I J 7 H I J Free space efficiency and maximum gain, PWB ground clearance area 6.00 x 11.00 mm S Q ZHW Cn =W Wd ZQ8S & & ( ) ( & & * ( & * ( & ( * ( & ) * ( & * * ( & + * ( & , * ( & - * ( & . * ( & , + ( & ( ) ( & & * ( & * ( & ( * ( & ) * ( & * * ( & + * ( & , * ( & - * ( & . * ( & , + ( < < Pulse Finland Oy Takatie 6 90440 Kempele, Finland Tel: +358 207 935 500 Fax: +358 207 935 501 www.pulseeng.com/antennas 2007. All Rights Reserved. CWn =W d HWZ Q S h g QC>pS h g QC>pS & ( & + & & (& & + )& & + & *& + ( & +& ( + ,& LaVc ) <=o <8 =Za m LaVc ) <=o <8 =Za m EF ( .*& &&& &&& C>p J ( &*& &&& &&& C>p IF 7D .&& &&& &&& C>p 9 DJ H ( **& &&& &&& C>p 9eh 9eh FHc FHc ( **& &&& &&& C>p 9> I K <I .+ ), f> ( .* . ) )) -). ( *.)+& =>p ) . , ,. Z8 + Z8%H < & Z8 E= 9> I ( *.& &&& =>p - +&+ ( (, ,) ( **& &&& &&& C>p ( ( ./& Z8 ( *&& &&& =>p ) +&& *, /.. ( *&&&& =>p & -.+ Z8 8=&BVg Zgh Zgh 8=&BVg 7I LA6C 7I LA6C