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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