RFEMWSUB1G Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Simple to plug in your RF Explorer unit， compatible with all models</li><li>Extend band coverage to all popular sub-1Ghz ISM bands， including 315Mhz， 433Mhz， 868Mhz and 915Mhz.</li><li>Extend internal FLASH and RAM memory for additional capabilities</li><li>Lifetime free firmware upgrades available， open to community requested features</li><li>Note this unit does not include RF Generator functionality， only Spectrum Analyzer functionality.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/413vnhmGJJL.jpg" noproxy>