Positioning and Measuring Antenna for Base Station and Outdoor Robots

• Usage: Positioning and Measurement Antenna
• Usage Occasion: High Precision Measurement Fields
• Operating Wavelength: Microwave
• Material: ABS
• Directionality: Omnidirectional Antenna
• VSWR: ≤2.0
• Model NO.: LJ-HEM49A
• Base Antenna: Sihuan Array Antenna
• Nature of Operation: Transmitting Antenna
• Sturcture Form: Wire Antenna
• Dimensionality: Two-Dimensional Antenna
• Polarization: Rhcp
• Operating Current: <40mA
• Noise Figure: <2.0
• Gain: Elevation90° ≥5.5dBi
• Axial Ratio: Elevation 90°≤3dB
• Front-Back Ratio: Elevation 90°≥l8dB
• Operating Voltage: 3.3~18VDC
• Transport Package: Carton
• Specification: Customized
• Trademark: LIJIE
• Origin: China
• HS Code: 8529109090
• Production Capacity: 120K PCS/Daily

Product Description

Product Description

Product Name: Four constellations full band  external measurement antenna

Product model:  LJ-HEM49A

Product features:
Anti-high temperature, waterproof,  stable phase center, reduce the influence of antenna on measurement error; Antenna pattern beam width, high gain, receive signal from low elevation very well. Adopt metal base, anti - ultraviolet upper cover design, IP67 protection level design.

Application fields:
Widely used in various industries such as surveying and mapping, deformation monitoring, driving test and driving training, mobile mapping, engineering machinery control, precision agriculture, autonomous driving, outdoor robots, base stations, etc

 

 

Model No	LJ-HEM49A
Frequency	GPS L1/L2/L5 BDS B1/B2/B3 GLONASS L1/L2 GALILEO El/E2/E5a/E5b
Polarization	R.H.C.P
Gain	Elevation90° ≥5.5dBi
Axial ratio	Elevation 90°≤3dB
Front-back ratio	Elevation 90°≥l8dB
Phase center error	±2mm
VSWR	<2.0
LNA Gain	40 ± 2dB
Noise figure	<2.0
Voltage	3.3~12VDC
Impedance	50Ω
Operating current	<40mA

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