Wijzigingen aan stap #9
Bewerking door Kyle Wiens —
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Stap regels
[* black] The larger of the two boards contains the connections for both antennas and is responsible for the RF side of the tracking device. Its notable chips include: |
[* red] |
[* red] |
[* black] The XE1201 allows for data transmission and data reception in half duplex mode. |
[* orange] RFM [link|http://www.rfm.com/products/spec_sheet.php?record=RF1172|RF1172] SAW (surface-acoustic-wave) filter |
[* black] The RF1172 provides front-end selectivity (the capability to separate signals in one frequency from all other frequencies) in 433.92 MHz receivers. |
[* black] Typical applications of this filter include wireless remote-control and security devices operating in Europe under ETSI I-ETS 300 220. |