Alpha 7 Combined 27dBi GPS/GSM puck antenna Key Features 27dB pre-amplifier High grade mounting adhesive 3 metre cable 50mm x 17.5 mm RoHS compliant General Description Additional Considerations The Siretta Alpha 7 range of GPS Improves signal to noise ratio for mobile applications and GSM combined antennas offer 3M PE foam backed ensures long lasting bond to windscreen an excellent performance coupled Ideal for routing around headlining or under dash of vehicle with a simple installation to provide a quick, reliable fit either to OEM or Works on all UK and European GSM / GPRS cellular networks after market telemetry products. This Meets all EU compliance criteria for electronic goods versatility makes it popular amongst trade suppliers to the automotive industry. The 27dB pre-amplifier circuit ensures compatibility with many of todays GPS receivers whilst the 900/1800MHz dipole will allow GSM and GPRS coverage throughout Europe, Africa and most of Asia. Measuring just 50mm diameter x 17.5mm depth, our standard version is supplied with 3m cable and comes with SMA male connectors on both GPS and GSM cables. Other cable lengths and connector options are available on request. Rev 1.0 Siretta is a division of Sequoia Technology Group Ltd Siretta sales +44(0)118 976 9014 Basingstoke Road fax +44(0)118 976 9020 Registered in England No. 4004881 Spencers Wood email info siretta.co.uk VAT Registration No. GB614 5653 45 Reading web www.siretta.co.uk Berkshire RG7 1PWAlpha 7 Combined 27dBi GPS/GSM puck antenna Key Specifications - Electrical Key Specifications - Mechanical Temperature range: -40 to +85C Dimensions: 50mm x 17.5mm without cable Case: Black ABS plastic Impedance: 50 Ohm Cable: 3 metre RG174 GPS gain LNA: 27dB at LNA Connector: Please refer to options table over page GPS gain patch: 5dBi typ. Mounting Gain at elevation of 10 -1.0dBi min Adhesive method: Noise figure: 1.5dBi typ. VSWR: 2.0 max 22mA max - 5V Current and voltage: 15mA max - 3.3V Polarization: RHCP Centre frequency GPS: 1.575.42 MHz 1.023 MHz Bandwidth: 10MHz GSM frequency range 900, 1800MHz (cellular): GSM polarization Vertical (denoted by cable exit (cellular): pointing straight up or down) Test Reports GPS Radiation Patter n GSM Amplitude - 900MHz GSM Amplitude - 1800MHz Ordering Details Part Number Description ALPHA7/3M/FMEF/SMAM/S/S/11 Combined GPS/GSM Antenna, 3m Cable, SMA Male/FME Female Connector ALPHA7/3M/SMAM/SMAM/S/S/11 Combined GPS/GSM Antenna, 3m Cable, SMA Male/SMA Male Connector Siretta is a division of Sequoia Technology Group Ltd Siretta sales +44(0)118 976 9014 Basingstoke Road fax +44(0)118 976 9020 Registered in England No. 4004881 Spencers Wood email info siretta.co.uk VAT Registration No. GB614 5653 45 Reading web www.siretta.co.uk Berkshire RG7 1PW