http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - bs series data s heet p. 1 wenshing ?? tws - bs rf module series wireless hi power transmitter module ( rf ask ) version history version date changes v1.01 mar. 01 , 2002 1 st . edition v1.02 jul. 05 , 2008 2 nd . edition v1.0 3 oct . 20 , 20 10 3 nd . edition
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - bs series data s heet p. 2 model : tws - bs - 1 ? frequency range: 303.875 mhz ? modulate mode: ask ? circuit shape: saw ? date rate: 8kbps ? supply voltage: 1.5 ~12v ? output power : 14 dbm ? working temperature: - 2 0~+ 85 ? solder temperature: 230 (10 seconds) . ? high sensitivity is designed . application ? wireless data transmission ? wireless game pad ? remote control ? wireless toys ? c ar key ? home automation ? amr - automatic meter reading ? remote keyless entry absolute maximum ra ting rating value unit power supply and all input/ output pins - 0.3 ~ +12.0 v non - operating case temperature - 2 0~+ 85 soldering temperature(10 seconds) 230 electrical characteristic
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - bs series data s heet p. 3 characteristic min typ e max un i t operating frequency ( 250 khz) 3 03. 625 303.8 7 5 304.1 25 mhz data rate 8 kbps current consumption 8 ma output power 32 mw operating voltage 3 12 v dc operating ambient temperature - 2 0 + 85 pin assignment pin function 1 gnd 2 data in 3 v cc 4 ant 1 2 3 4
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - bs series data s heet p. 4 size
http : //www.wenshing.com.tw ; http://www.rf.net.tw tws - bs series data s heet p. 5 demo c ircuit
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