Specifications

Wireless CPU

Q24 Series

Interfaces

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WM_PRJ_Q24NG_PTS_001-004

January 16, 2007

3.21.3 Antenna Specifications

The antenna must fulfill the following requirements, as specified in the table below:

• The optimum operating frequency depends on the application. A dual-band or a

quad-band antenna must operate in these frequency bands and have the

following characteristics:

Q24

Characteristic

EGSM 900

DCS 1800 GSM 850 PCS 1900

TX Frequency

880 to

915 MHz

1710 to

1785 MHz

824 to 849 MHz

1850 to

1910 MHz

RX Frequency

925 to

960 MHz

1805 to

1880 MHz

869 to 894 MHz

1930 to

1990 MHz

Impedance 50Ω

Rx max 1.5 :1

VSWR

Tx max 1.5 :1

Typical

radiated gain

0dBi in one direction at least