Analog Cordless Telephones

Standard

CTO

Cordless Telephone 0

JCT

Japanese Cordless Telephone

CTI/CTI+

Cordless Telephone 1

Mobile Frequency Range (MHz)

2/48 (U.K.),  26/41(France)

30/39 (Australia)

31/40 (The Netherlands, Spain)

46/49 (China, S. Korea, Taiwan, USA)

48/74, 45/48 (China)

254/380

CTI: 914/960

CTI+: 885/932

Multiple Access Method

FDMA

FDMA

FDMA

Duplex Method

FDD

FDD

FDD

Number of Channels

10, 12, 15, 20, or 25

89

CTI: 40

CTI+: 80

Channel Spacing

1.7, 20, 25 or 40 kHz

12.5 kHz

25 kHz

Modulation

FM

FM

FM

Channel Bit Rate

n/a

n/a

n/a



cwt@vt.edu
Last Updated October 31, 2002 SRE