Shenzhen Coban Electronics Co. Ltd. CB900 ユーザーズマニュアル
The optimum operating frequency depends on the application. A dual-band or a quad band
antenna must operate in the above frequency bands.
TX Frequency
880 - 915 MHz
1710 - 1785 MHz
824 - 849 MHz
1850 - 1910 MHz
RX Frequency
925 - 960 MHz
1805 - 1880 MHz
869 - 894 MHz
1930 - 1990 MHz
Impedance
50 ohm
VSWR Rx max
1.5 : 1
VSWR Tx max
1.5 : 1
Typical radiated gain
0 dBi in one direction at least