High accuracy measurement antenna-high accuracy antenna

1, Electrical Characteristics

1.1Antenna

1

Internal antenna

Combine type

2

Frequency Range

GPS:L1/L2

Compass(BeiDou):B1/B2

Glonass:L1/L2

3

Elevation coverage 

  360°  

4

V.S.W.R

1.5:1

5

Phase center

≤2mm

 6 

 Axial Ratio

≤2.0:at Zenith

≤4.5:at 20° Elevation   

7

8

Front-to-rear ratio

  ≥25dB

9

Impedance 

50 ohm 

10

Gain

4.5dBic :at Zenith

-4dBic :at 20° Elevation

11

Polarization

RHCP

1.2 LNA

1

Frequency Range

GPS:L1/L2

Compass(BeiDou):B1/B2

Glonass:L1/L2

2

DC Voltage

3.0-5.5 V

3

Gain(Typical)

38±2 dB

4

Flatness in Band

                                         ±2dB

5

Out of band Rejection

≥30dB (F0±100MHz)

6

V.S.W.R(Max)

 2.0

7

Noise Figure(Max)

2.0

8

DC current(Max)

50 mA

1.3 Structure information 

 1

Dimension 

D186*66mm 

 2

 Connector

TNC-K 

 3

 Weight

600g 

2, Environment  Condition

Working Temp

-40°C~+80°C

Storage Temp

-45°C~+85°C

Water Proof

IP67

Vibration

Sine sweep 1g(0-p)

10~55~10Hz each axis

3, Notes

Electrostatic sensitive device, Observe precautions for handling.