home > º¸¾ÈÀåºñ > CCTV ºí·¢¹Ú½º/À¯ ¹«¼±Àåºñ > 23. À¯¼±¿µ»óÁõÆø±â/³ëÀÌÁîÁ¦°Å?
[RF DATA ¼Û½Å±â] RSM-447T
447MHz´ë Data Åë½Å¿ë RF Modem
¾à 3Km À̳»ÀÇ Data¸¦ ¹«¼± ¼Û/¼ö½Å RS232, RS485 ¹× TTL Åë½ÅÀÌ °¡´É ¿ÜÀå LED¸¦ ÅëÇÑ ÁÖÆļö ¹× ¼Û/¼ö½Å »óÅ ¸ð´ÏÅ͸µ ¾Ë·ç¹Ì´½ ÄÉÀ̽º (¿ÜºÎ ÀüÆÄ ¹æÇØ ÃÖ´ë Â÷´Ü) Á¦Ç°»ç¾ç ¸ðµ¨¸í RSM-447T RF »ç¾ç ¼Û/¼ö½Å ÁÖÆļö ¹üÀ§ 447.8625MHz ~ 447.9875MHz Ãâ ·Â 10mw ÀüÆÄ Çü½Ä F1D º¯Á¶ ¹æ½Ä FSK º¯Á¶ ¼Óµµ 4800bps MAX. ¹ßÁø ¹æ½Ä PLL ¹ß½Å ÁÖÆļö ¹üÀ§ 447.8625MHz ~ 447.9875MHz ±¹ºÎ ¹ßÁø ÁÖÆļö ¹üÀ§ 426.2125MHz ~ 426.3375MHz Áß°£ ÁÖÆļö 1st : 21.65MHz, 2nd : 450KHz ä¹è ¹æ½Ä Superheterodyne 2ä¹è ¹æ½Ä ÃÖ´ë º¯Á¶µµ 2.5KHz ÃÖ´ë ÁÖÆļö ÆíÀÌ ¡¾4.0ppm MAX. PLL ±âÁعßÁø ÁÖÆļö 10.6MHz ÀϹݻç¾ç ±â±âÀÇ Çü½Ä LARN-IO2D 447.8625/447.9875 T 0.01 F2D-11-1 Åë½Å ¹æ½Ä ´Ü¹æÇâÅë½Å(Simplex) ANTENNA CONNECTOR TNC TYPE ÀÔ·Â Àü¿ø DC12V ¼Òºñ Àü·Â Tx½Ã:100mA, Rx½Ã:90mA »ç¿ë ¿Âµµ -10¡É ~ +55¡É Áß·® 340g ¿ÜÇü 130.8(W)x21.8(H)x104(D)mm
|