1.1 4G Antenna Section

(1) Frequency range (MHz): Low frequency 700~960, Medium frequency 1710~2690;

(2) V.S.W. R: Low frequency 700~960<5, medium frequency 1710~2690<3;

(3) Characteristic impedance: 50 Ω

1.2 FM Antenna Section

(1) Frequency range (MHz): 87.5~108;

(2) V.S.W. R: The lowest point within the range of @98MHz ± 2 is less than 2

(3) Characteristic Impedance: 50 Ω Low Noise Amplifier Characteristic

(4) Operating voltage: DC 8V (power supply voltage 12V)

(5) The working current is 75±10mA.

(6) Operating frequency: FM 87..5MHz to 108MHz;

(7) Output gain: FM 16±3dB;

(8) Output impedance: 50 Ω ±3 Ω;

(9) The output standing wave ratio is.≤2 0.

(10) Noise coefficient: ≤3..5dB;

1.3 DAB Antenna Section

(1) Frequency range (MHz): 174-240;

(2) V.S.W. R: The lowest point within the range of @202MHz ±5 is less than 2

(3) Characteristic Impedance: 50 Ω Low Noise Amplifier

(4) Gain: Band Ⅲ: 19±3dB

(5) Noise coefficient: ≤.3.5 dB

(6) Output standing wave:.≤2 0

(7) Characteristic impedance: 50 Ω

(8) Operating voltage: DC 8 V ±0.2 V (po.wer supply voltage DC: 12V)

(9) Working current: 7mA～15mA

Note: (Due to separate power supply, the voltage is DC:12V, and the FM and DAB power supply current is 85±5mA)4/21

1.4 GNSS Antenna Section

(1) Frequency range (MHz):

(2) V.S.W.R:

(3) Characteristic Impedance: 50 Ω Low Noise Amplifier Characteristic

(4) Frequency range: 1558MHz～1577MHz;

(5) Operating voltage: DC 2.0V～3.5V;

(6) Working current: 8±3mA;

(7) The output gain is 29±3dB.

(8) Output impedance: 50 Ω ±3 Ω;

(9) The output standing wave ratio is less th.an 2 0 .

(10) Noise coefficient: ≤1.5dB;

1.5 Environmental Requirements

(1) Operating temperature: -40℃ to +85℃;

(2) Storage temperature: -40℃~+85℃;

1.6 Mechanical Property Requirement

(1) The plug-in's detachment force exceeds 80N.

(2) Protection rating: IP67