- Full-band high-precision external antenna
- An external full-band GNSS survey antenna, supporting satellite navigation signal reception of Beidou, GPS, and GLONASS systems, meeting the current requirements for multi-system compatibility and high-precision measurement, and can be widely used in geodetic surveying, oceanographic surveying, and precision agriculture, Deformation monitoring and other high-precision navigation positioning occasions.
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 |
