Product model: fs-rm005 built for ?noble nb4 wireless frequency: 2. 4ghz transmission power: <20 dbm (eu) wireless protocol: mini-z(fhss) power: 3. 3±0. 1v antenna type: built-in single antenna temperature range: -10 ? — + 60 ? Humidity range: 20% -95% online update: yes dimensions: 34*18*5. 2mm ? Without the protective cover? Weight: 2. 3g certification: ce?mic,fcc id:n4zrm005 notice:before using the fs-rm005, the noble nb4 should be uploaded to the fw 2. 0. 99(check the chanrgelog carefully before updating) (fs-rm005)