顶置收音天线特性
|
NO |
项目(Item) |
特性(Specifications) |
PostEnvironmental Tolerance (试验后允许附加误差) |
|
1 |
收音接收频率范围（MHz） Range of Receiving Frequency |
AM530k~1710KMz |
±2.5 |
|
2 |
DAB接收频率范围（MHz） Range of Receiving Frequency |
170~230MHz 1450~1500MHz |
±3.0 |
|
3 |
带宽Band Width(MHz) (Retum Loss≤-10dB) |
≥10 |
±0.5 |
|
4 |
驻波比V.S.W.R(in Center Frequency) |
≤1.5 |
±0.5 |
|
5 |
增益Gain (Zenith)(dBi typ) (with 70mmSquare GND plane) |
15 |
±3 |
|
6 |
放大器增益 |
15dB±2 |
±2 |
|
7 |
工作电压 |
12V |
---- |
|
8 |
特性阻抗Impedance(Ω) |
75 |
---- |
|
9 |
电流 |
25mA |
±2 |
GSM+4G特性
|
NO |
项目(Item) |
特性(Specifications) |
|
1 |
GSM频率范围 |
900～1800MHZ |
|
2 |
4G频率范围 |
1880~2635MHz |
|
3 |
驻波比 |
≤2.0 |
