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	ZigBee Based Voice & Image Transmission Soluions - Overview System Overview   802.15.4(ZigBee RF) ¹«¼± Åë½Å ÇÁ·ÎÅäÄÝÀ» ÀÌ¿ëÇÏ¿© Mono À½¼º µ¥ÀÌÅ͸¦ ¾ç¹æÇâÀ¸·Î Àü¼ÛÇÏ¿© ½Ç½Ã°£ À½¼º ÅëÈ­¸¦ Á¦°øÇÑ´Ù.     ¼Û½Å º¸µå¿¡¼­ Camera Module¿¡¼­ ÃÔ¿µÇÑ JPEG À̹ÌÁö¸¦ Àü¼ÛÇÏ°í, ¼ö½Åº¸µå¿¡¼­´Â ¼ö½ÅµÈ À½¼º ¶Ç´Â À̹ÌÁö¸¦ TFT-LCD ¶Ç´Â PC¿¡¼­ Ãâ·ÂÇÏ´Â ZigBee Voice & Image Àü¼ÛÀåÄ¡ÀÌ´Ù.             System Features   2.4GHz ISM BandÀÇ ZigBee Solution   Mono À½¼º µ¥ÀÌÅ͸¦ ¾ç¹æÇâ Àü¼Û ¹× Àç»ý   Ä«¸Þ¶ó¸¦ ÅëÇØ Image Capture ÈÄ ·ÎÄà LCD·Î PreviewÇϰųª USB ¹× UDP ÀÎÅÍÆäÀ̽º·Î Àü¼ÛÇÏ¿© ÄÄÇ»ÅÍ »óÀÇ ¸ð´ÏÅÍ¿¡ À̹ÌÁö¸¦ Ãâ·Â(3fps)     Radio coverage : Indoor 20m, Outdoor 20~50m   ZigBee ±¸°£ÀÇ µ¥ÀÌÅÍ Àü¼Û·üÀ» ÃÖ´ë·Î È°¿ë(144Kbps)     System Specifications   Specifications Micro-Controller ATmega128L System Clock 7.3728Mhz Transceiver Chip CC2420(Chipcon) RF effective data rate 144Kbps Packet Format Header(11Byte), Payload(102Byte) Packet Rate (113Byte) 118KByte/sec Audio Codec ML7029(OKI) Audio Codec Rate 4Bit ADPCM(8Kbps Sampling) USB Chip CY7C68013A(Cypress) LAN Chip W3150A LAN PHY Chip RTL8201CP Image Processing Chip (DSP) PV1000A (JPEG Encoder/Decoder built-In) LCD Module NAM-128T160-43(TFT-LCD) CAMERA Module HV7131RP O.S TinyOS.v1.1.15     ZigBee Based Voice & Image Transmission Soluions - Applications Voice/Image Transfer ZigBee Module - °³¿ä     Voice/Image Transfer ZigBee Module H/W