rfm8 4 v 1.0 tel: +86 - 755 - 8 2973805 fax: +86 - 755 - 82973550 e - mail: sales@hoperf.com http://www.hoperf.com 1 1. general RFM84 series module is based on the super - regenerative principle of ask / ook receiver module , with operating at 315/433.92mhz. it is customizable for special operation frequency . it features high reliability, low power consumption , high sensiti vity, low cost, high performance. it is your ideal choice for designing wireless data transmission products which can be widely used on wireless data transmission field. 2. features ? low cost, high performance ? data rate range is 0.1 - 10 khz ? power supply = 5v ? operat ing current = 4 . 0 ma ? sensitivity = - 95 dbm ? ism frequency band ? ask /ook receive modulation ? operation frequency 315mhz,433.92mhz ? dip package 3. application ? w ireless data transmission ? h ousehold automatization ? remot e system f or alarm 4. pin description pin name define 1 rf in rf signal input 2 gnd ground , co n nect to gnd 3 vcc power supply , co n nect to vcc+ 4 data d ata output 5 gnd ground , co n nect to gnd 1 2 3 4 5 rfm8 4 free datasheet http:///
rfm8 4 v 1.0 tel: +86 - 755 - 8 2973805 fax: +86 - 755 - 82973550 e - mail: sales@hoperf.com http://www.hoperf.com 2 5. parameter parameter condition min typical max unit power su p ply ( vcc) dc 3 5 5.5 v current 5v , 315mhz 4 5 ma 5v , 433.92m h z 4 5 ma operation frequency RFM84 - 315 314.85 315 315.15 mhz RFM84 - 433.92 43 3.77 433.92 434.07 mhz sensitivity @315mhz r ate =1.2k bps - 95 dbm @434mhz rate =1.2k bps - 95 dbm bandwidth 300 khz modulate data rate 0.1 10 khz operate t e mp e r a t u r e - 40 + 85 6. mechanical dimension unit mm figure 1: rfm8 4 mechanical dimension free datasheet http:///
rfm8 4 v 1.0 tel: +86 - 755 - 8 2973805 fax: +86 - 755 - 82973550 e - mail: sales@hoperf.com http://www.hoperf.com 3 7. ordering information part number=module type + operation frequency + package type rfm8 4 C 315 d package type o peration frequency m odule type for e xample 1. rfm8 4 - 315 d : ask receiver module operation frequency is 315mh z , package type is dip . 2. rfm8 4 - 433 d : ask receiver module operation frequency is 433.92mh z , package type is d ip . . hope microelectronics co.,ltd add:4/f, block b3, east industrial area, huaqiaocheng, shenzhen, guangdong, china tel: 86 - 755 - 82973805 fax: 86 - 755 - 82973550 email: sales@hoperf.com t rade@hoperf.com website: http://www.hoperf.com http://hoperf.en.alibaba.com this document may contain preliminary information and is subject to chan ge by hope microelectronics without notice. hope microelectronics assumes no responsibility or liability for any use of the information contained herein. nothing in this document shall operate as an express or implied license or indemnity under the intelle ctual property rights of hope microelectronics or third parties. the products described in this document are not intended for use in implantation or other direct life support applicati ons where malfunction may result in the direct physical harm or injury to persons. no warranties of any kind, including, but not limited to, the implied warranties of mechantability or fitness for a articular purpose, are offered in this document. ?2006, hope microelectronics co.,ltd. all rights reserved. free datasheet http:///
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