Table 1 Compare Best Medical Alert Systems
| Range | 1,300–1,400 feet | 1,000 feet | 600–1,400 feet | 800 feet |
| Connection type | Landline, AT&T, or Verizon cellular | Landline, AT&T, or Verizon cellular | Landline, AT&T cellular | Landline, AT&T cellular |
| Battery life | Up to 5 days | Up to 5 days | 30 hours | Up to 5 days |
| Response time | 30–60 seconds | 45+ seconds | 25–50 seconds | 50–70 seconds |
