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CT0

Cordless telephone 0

 

Description:
Cordless telephone 0, a European and Asian cordless telephone standard. Frequency of operation varies by country, but in general is near 45 MHz. The low frequency of operation, low output power, and straightforward analog electronics make this a highly cost-competitive market.

Specifications:
 U.K.FranceSpain
Netherlands
mobile frequency2-48 MHz26-41 MHz31-40 MHz
multiple access scheme:FDMAFDMAFDMA
duplexing scheme:FDDFDDFDD
channel spacing:40 kHz40 kHz40 kHz
number of channels:10,12,15 or 2010,12,15 or 2010,12,15 or 20
channel bit rate:n/an/an/a
modulation:analog FManalog FManalog FM
 
 Australia China
Korea
Taiwan
China
mobile frequency 30-39 MHz 46-49 48-74
multiple access scheme: FDMA FDMA FDMA
duplexing scheme: FDD FDD FDD
channel spacing: 40 kHz 40 kHz 40 kHz
number of channels: 10,12,15 or 20 10,12,15 or 20 10,12,15 or 20
channel bit rate: n/a n/a n/a
modulation: analog FM analog FM analog FM

Products:
Most systems use inexpensive discrete transistors for all RF functions in the telephone. As these phones operate at 45 MHz, virtually any RF transistor can be used. Agilent Technologies' most appropriate product is the AT-41533; however the performance of this device far exceeds the requirements of most cordless telephone manufacturers.

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this page last updated: 1 October 1999