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X2010-868 Datasheet(PDF) 6 Page - rfsolutions.ltd |
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X2010-868 Datasheet(HTML) 6 Page - rfsolutions.ltd |
6 / 6 page DS2010_2 Dec ‘01 ©2001 REG No 277 4001, England. Page 6 FM Narrow Band Transceiver Modules X2010 / X2011 Antenna Design The design and positioning of the antenna is as crucial as the module performance itself in achieving a good wireless system range. The following will assist the designer in maximising system performance. The antenna should be kept as far away from sources of electrical interference as physically possible. If necessary, additional power line decoupling capacitors should be placed close to the module. The antenna ‘hot end’ should be kept clear of any objects, especially any metal as this can severely restrict the efficiency of the antenna to receive power. Any earth planes restricting the radiation path to the antenna will also have the same effect. Best range is achieved with either a straight piece of wire, rod or PCB track @ ¼ wavelength (15.5cm @ 433.92MHz). Further range may be achieved if the ¼ wave antenna is placed perpendicular in the middle of a solid earth plane measuring at least 16cm radius. In this case, the antenna should be connected to the module via some 50 ohm characteristic impedance coax Part Numbers Part Number Description X2010-434 Narrow Band Transceiver 434.075MHz X2011-434 Narrow Band Transceiver 434.075MHz Integral Antenna X2010-868 Narrow Band Transceiver 868.4MHz X2011-868 Narrow Band Transceiver 868.4MHz Integral Antenna X2010-915 Narrow Band Transceiver 914.5MHz X2011-915 Narrow Band Transceiver 914.5MHz Integral Antenna R F Solutions Ltd., Unit 21, Cliffe Industrial Estate, South Street, Lewes, E. Sussex. BN8 6JL, England Tel: +44 (0)1273 898 000 Fax: +44 (0)1273 480 661 Email : sales@rfsolutions.co.uk http://www.rfsolutions.co.uk Information contained in this document is believed to be accurate , however no representation or warranty is given and no liability is assumed by R.F. Solutions Ltd. With respect to the accuracy of such information. Use of R.F.Solutions as critical components in life support systems is not authorised except with express written approval from R.F.Solutions Ltd. |
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