DS039-8 August ‘04 ©2004 REG No 277 4001, ENGLAND. Page 1
A
ntenna
A range of high quality antennae designed and manufactured for operation specifically with Low power short
range telemetry systems. Using one of the following antennae will give optimum range and reliability to your
application.
‘Stubby’ Helical Antenna
• 1/4 Wavelength Helical Antenna
• Rugged Plastic Finish, Flexible Antenna
• Available As BNC, 4BA, M4 Screw Fixing
1/4 Wave Flexible Antenna
• Standard 1/4 Wavelength Whip Antenna
• Rugged Plastic Finish. Flexible Antenna
• Available As BNC, 4BA, M4 Screw Fixing
+3db GAIN ANTENNA
• +3db GAIN 5/8 Wavelength Whip Antenna
• Integral Wall Mounting Bracket
• Supplied With 2 Metres Coax Cable & BNC (50Ω)
Note: In Order To Comply With The UK DTI Regulations, A Gain
Antenna Must Not Be Used On Any Transmitting Device.
DS039-8 August ‘04 ©2004 REG No 277 4001, ENGLAND. Page 2
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ntenna
¼ Wave Whip Antenna Dimensions (mm)
M4 4BA BNC
Length Dia Length Dia Length Dia
315MHz * * 231 13 250 18
433MHz 162.5 13 160.5 13 172 17
458MHz - - - - 164 16
868MHz 97 13 - - 81 17.5
916MHz - - 83 13 - -
Helical / Compressed Helical / Gain Antenna Dimensions (mm)
Helical M4 Helical 4BA Helical BNC Comp. Helical
M4 Gain
Length Dia Length Dia Length Dia Length Dia Length Dia
173MHz - - * * - - - - * *
315MHz - - 72 13 105 17 - - * *
433MHz 55 14 55.5 13 84 17 35 14 490 14
458MHz - - - - 81 17 - - - -
868MHz - - - - - - - - - -
916MHz - - 83 13 * * - - - -
Puk Antenna
• Panel Mounting Puk Antenna
• Rugged Plastic Finish
• Available with BNC, SMA Fixings
Dipole Antenna
• Flat Form Dipole Antenna
• Tuned for european GSM frequencies
• Rugged Plastic Finish
• Self Adhesive Pad
• Available with SMA Fixing
DS039-8 August ‘04 ©2004 REG No 277 4001, ENGLAND. Page 3
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ntenna
Puk / Dipole Antenna Dimensions (mm)
Puk Dipole
Height Dia Cable Length Length Width Height Cable Length
433MHz 52 47 500
900/1800 MHz 112 60 10 175
Part Numbers
1/4 Wave Whip
Fixing 315MHz 433MHz 458MHz 868MHz 915Hz
M4 - FLEXI-M4-433 - FLEXI-M4-868 -
4BA FLEXI-4BA-315 FLEXI-4BA-433 - - FLEXI-4BA-916
BNC - FLEXI-BNC-433 FLEXI-BNC-458 FLEXI-BNC-868 -
Helical
Fixing 173MHz 315MHz 433MHz 458MHz 915Hz
M4 - - PU-M4-433 - -
4BA PH-4BA-173 PU-4BA-315 PU-4BA-433 - PU-4BA-916
BNC - PU-BNC-315 PU-BNC-433 PU-BNC-458 -
Compressed Helical
Fixing 173MHz 433MHz 458MHz 868MHz 915Hz
M4 - PHC-M4-433 - - -
Gain Antenna
Fixing 173MHz 433MHz 458MHz 868MHz 915Hz
Mag Mount SR150M/TS - - - -
Wall Mounting
Bracket (incl) - MB450-RFS433 - - -
YAGI - - YU8-458 - -
Puk / Dipole Antenna
Fixing 433MHz 900/1800 MHz
BNC ANTPUK1-433 -
SMA ANTPUK1-433-SMA ANTGSM-ADH-RASMA
DS039-8 August ‘04 ©2004 REG No 277 4001, ENGLAND. Page 4
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ntenna
SCTM4RA
The SCRTM4RA is a PCB mounting terminal providing a simple method of attaching a low cost 4mm Screw
thread antenna to a PCB.
PCB Layout
7.5
5
φ
2DIA
A
A = 5,1mm excluding screw head, this al so depends on how far the screw
terminal i s from the outside surface of the box its fitted i n to.
All dimensions in mm
