Longest-range cordless ranges up to 12 floors in buildings, and up to 250,000 square feet in warehouse-type environments. Outdoors on farms, ranches or college campuses, coverage is up to 3,000 acres. Clear, secure reception digital spread-spectrum technology offers maximum privacy and security; system uses 100-times-per-second frequency hopping to prevent eavesdropping. Super long talk time provides 6 hours of talk time, 50 hours of stand-by time; handset comes with a long-life lithium ion batt
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