|
|
||||
|
Cordless Phone |
Cell Phone |
Wi-Fi or Bluetooth |
||
|
Coverage |
1000 ft in theory 200 - 300 ft in practice |
Nationwide |
200 - 300 ft in theory 100 ft in practice |
|
|
Connection Technology |
Point to point |
Point to point |
Point to multipoint |
|
|
Dead Zones |
None |
Regional or area |
Spotted |
|
|
Line Dropping |
< 1% |
5% - 10% |
> 10% / often in motion |
|
|
Coverage Usage Density |
Up to 10 channels |
“Peak hours” congestion |
Up to 3 channels |
|
|
Speed |
< 1 second |
< 1 second |
< 1 second |
|
|
Security |
High |
Moderate |
Low |
|
|
Eavesdropping |
None |
Yes |
Common / difficult to avoid |
|
|
Additional Security Features |
• 260,000 security codes • Patent-protected `Lock-In™ technology • FCC part 68 regulation compliant • Eavesdropping attempts result in frequency changes |
• TDMA (GPRS in GSM system): Signals extracted via time slots. Eavesdroppers can “listen” but not alter data • CDMA system: signals extracted via codes in lieu of time slots |
• Eavesdropping and data alteration common due to shared system. Data is secured via encryption |
|
