Air interface standard: 450Mhz £¬ 800Mhz or 1900Mhz world-class CDMA module large LCD display Call ID Backup internal battery Hand-free available Call forward, call conference Powerful phone book SMS service Data with RS232 port Call records External high gain antenna Support UIM and Non-UIM card Specifications Network support: 450Mhz, 800Mhz or 1900Mhz Protocol: CDMA2000 1X , IS-95A/B Environment • Operating temperature range: -10¡ãC to +55¡ãC • Storage temperature range: -40¡ãC to + 60¡ãC • Humidity: 5% to 95
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