http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - cs series data s heet p. 1 wenshing ?? t ws - cs rf module series wireless narrow band transmitter module (rf ask) version history version date changes v1.01 dec.28 , 2002 1 st . edition v1.02 jul.3 , 2008 2 nd . edition model : t ws - cs - 3 ? frequency range: 418 mh z ? modulate mode: ask ? circuit shape: saw ? date rate: 8kbps ? supply voltage: 2.5 ~12v ? power supply and all input / output pins: - 0.3 to 12.0v ? non - operating case temperature: - 10 to + 70 ? soldering temperature ( 10 seconds ) : 230 (10 seconds )
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - cs series data s heet p. 2 absolute maximum rating rating value unit power supply and all input/output pins - 0.3 to 12.0 v non - operating case temperature - 10 to + 70 soldering temperature(10 seconds) 230 electrical characteristic characteristic sym min typ e max un i t operating frequency ( 3 00kh z ) v cc 417.7 418 418.3 mhz data rate ask 8k kbps transmitter performance(ook@2.4kbps) peak input current,12 vdc supply itp 3 5 ma peak output power po 10 mw tu rn on/ tu rn off time on/ off 1 us power supply voltage range v cc 3 12 vdc operating ambient temperature ta - 1 0 + 70 tx antenna out 3v ~12v - 1.7 17 db m
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - cs series data s heet p. 3 size & pin assignment demo c ircuit
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