10. Antenna Specification
10.1
Antenna spec.
10.1.1Frequency Band
Frequency Band
CDMA 850
CDMA 1900
TX
824 ~ 849
1850 ~ 1910
RX
869 ~ 894
1930 ~ 1990
10.1.2 Normal value
50Ω ± Normal
10.1.3 Measuring method
The impedance over the frequency bands shall be as close as possible to 50Ω after
matching. Both free space and talk position are considered.
10.2
VSWR
The impedance matching should be optimized in the more critical talk position.
10.2.1
Maximum values in free space
Band
CDMA 850
CDMA 1900
TX
RX
TX
RX
VSWR
2.8
2
1.2
1.8
10.2.2
Measuring Method
Figure 5. Chamber
Содержание LTD-VH1000
Страница 14: ...8 Parts Map Top Bottom ...
Страница 15: ...9 Connector 9 1 Antenna Connector 59S21B 40MT5_D manufacturer Rosenberger ...
Страница 16: ......
Страница 17: ...9 2 40Pin Connector KM17E 40DS manufacturer HIROSE Figure 4 40 Pin connector ...
Страница 19: ...a Azimuth Pattern Co pol b Azimuth Pattern Cross pol Figure 6 Gain Patterns ...