AT400 GNSS Antenna for RTK
1. Application
AT400 is a professional antenna specifically designed for high-precision RTK applications such as surveying and mapping, precision agriculture, robotics, and machine control. It features a stable and reliable carrier phase center, a 150mm ground plane, and can stably receive almost all GNSS frequencies and signals.
2. Specifications
2.1 Patch Performance
| Parameter | Specification |
|---|---|
| Frequency | GPS/QZSS L1/L2/L5, BDS B1/B2/B3, GLONASS L1/L2, GALILEO E1/E2/E5a/E5b |
| Polarization | Right-hand circular |
| V.S.W.R. | ≤1.5 |
| Axial Ratio (dB) | ≤3.0 |
| Phase center error | ＜±2mm |
| Output Impedance(Ω) | 50 |
2.2 LNA Specifications
| Parameter | Specification |
|---|---|
| Active gain | 32.0±2dB |
| Noise figure | ≤1.8dB typ |
| V.S.W.R. | ≤2.0 |
| voltage | DC3.3～5.5V |
| current | ≤48mA(@3.3V) |
| Differential transmission delay | ≤5ns |
3. Mechenical
| Item | Parameters |
|---|---|
| Dimensions(mm) | D 150mm *H 58.4mm |
| Connector | TNC-K |
| Weight (g) | 400g |
| Waterproof rating | IP67 |
4. Package list
- AT400 Antenna
- 1.5m RF cable (TNC-SMA)
4.1 Order information
| PN | Description |
|---|---|
| AT400-00 | AT400, Tri-bands L1/L2/L5 |
| RF-TNC-SMA-03 | 3m, RF cables, TNC-SMA |
| RF-TNC-SMA-05 | 5m, RF cables, TNC-SMA |