Contextual Info: RFM HX1003 Ideal f o r 4 1 8 M H z U nlicensed Transm itters in the U K a n d the USA • Q uartz S A W F requency Stabilization a n d H arm onic F iltering • Compact, Surface-M ount Case with < 90 m m 2 F ootprint • The HXL003 is a m iniature transm itter m odule that generates on-off keyed OOK