Product overview
Tengxiang Electronics Co., Ltd.’s TX-GR01 Professional Grade Active Quadrifilar Helix GNSS Antenna, also described as TX-GR01-A, is a positioning component intended for professional UAV frame installations, RTK base stations, agricultural machinery and vehicle equipment. Its symmetrical quadrifilar helix structure combines multi-feed point technology with an integrated low-noise amplifier and band-pass filters. Reception covers GPS L1/L2, BDS B1/B2/B3, GLONASS and Galileo. Applications include mapping, surveying and inspection drones, alongside RTK positioning for tractors and harvesters operating in high-vibration agricultural environments.
The antenna measures Φ43.5 × 39.1 mm and incorporates three M2.5 screw holes in a 3-M2.5*6 mounting arrangement, with an SMA-J male connector for integration. The screw mount provides a mechanical attachment for vibration-exposed installations. Its configuration includes active amplification and filtering within an enclosure offering IP67 protection and UV-resistant materials. Power requirements are 2.2V–16.0V DC at ≤35mA, with direct 12V vehicle connection limited to compatible power systems. The operating temperature range is -40°C to +85°C, and out-of-band rejection is ≥30dB at ±100MHz.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Tengxiang Electronics Co., Ltd. |
| Product identity | TX-GR01 Professional Grade Active Quadrifilar Helix GNSS Antenna; also described as TX-GR01-A. |
| Positioning applications | Agricultural RTK positioning; mapping, surveying and inspection drones; RTK base stations; professional navigation systems; vehicle-mounted positioning equipment requiring wide-voltage compatibility.Agricultural RTK applications include tractors and harvesters in high-vibration environments. |
| Frequency range | GPS L1/L2, BDS B1/B2/B3, GLONASS, Galileo |
| Polarization | RHCP (Right-Hand Circular Polarization) |
| Active gain | 32dB ± 2dB |
| Noise figure | ≤ 1.5 dB |
| V.S.W.R | ≤ 2.0 |
| Out-of-band rejection | ≥ 30dBAt ±100MHz. |
| Working voltage | 2.2V ~ 16.0V DC |
| Working current | ≤ 35mA |
| Mounting type | 3-M2.5*6 Screw Mount |
| Connector | SMA-J (Male) |
| Dimensions | Φ43.5 * 39.1 mm |
| Operating temperature | -40°C ~ +85°C |
| Antenna architecture | Symmetrical quadrifilar helix structure. |
| Feed technology | Multi-feed point technology. |
| Integrated amplification and filtering | Low-noise amplifier and integrated band-pass filters. |
| Environmental protection | IP67 protection and UV-resistant enclosure materials. |
| Vehicle power integration | No additional voltage regulator required for the compatible connection.Direct connection to compatible 12V vehicle power systems. |
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