| Customization: | Available |
|---|---|
| Directionality: | Omnidirectional Antenna |
| Gain: | Elevation90° ≥5.5dBi |
|
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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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