Ideal for precision positioning and RTK surveying systems, the TW3870 dual band GNSS antenna from Tallysman provides excellent circular polarized signal reception, great multi-path and out-of-band signal rejection.
The TW3870 features a precision tuned, circular dual-feed, stacked patch element. The signals from the two orthogonal feeds are combined in a hybrid combiner, amplified in a wide-band Low Noise Amplifier, then band-split for narrow filtering in each band and further amplified prior to recombination at the output.
The TW3870 offers excellent axial ratio and a tightly grouped phase center variation.
The TW3870 is housed in a permanent mount industrial grade weather-proof enclosure, available in conical or flat radome styles and in grey or white colours. Two options for pole mounting are available an L-Bracket or a Pipe Mount. A 100mm ground plane is recommended for non-roof-top installations.
If you need enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi, the alternative TW3872 provides these additional benefits with an LNA pre-filter.
- Precision GPS position
- Dual Frequency RTK receivers
- Mission Critical GPS Timing
- Military & Security
- Network Timing and Synchronization
- Low Noise Amplifier (LNA):< 2 dB
- Axial ratio: < 2 dB typ.
- Tight Phase Center Variation (PCV)
- High Gain: 35 dB typ.
- Low current: 24 mA typ.
- Invariant performance from: +2.5 to 16VDC
- Ideal for L1/L2 RTK surveying systems
- Great multi-path rejection
- Increased system accuracy
- Great signal to noise ratio
- IP67, REACH, and RoHS compliant
Tallysman Wireless offers a warranty of 1-3 years on all of it’s products. The warranty ensures that the products are free from defects of materials or workmanship and conform to Tallysman’s specifications under normal use. Embedded antennas are covered by a one (1) year standard warranty. All housed antennas and accessories (inline amplifiers, splitters, and bias tees) manufactured after January 1, 2020 are covered by a three-year warranty. The warranty is covered in more detail on the Tallysman Wireless Warranty page.
Why Buy from Us?
In business since 2004, Canal Geomatics is an authorized dealer for Tallysman Systems and has established itself as an industry-leading distributor of high-precision positioning products in North America. Our mission is to find the best solution for each unique application and extend premium support to ensure the long-term success of our customers. We offer both volume and reseller discounts for the majority of our product lines.
The TW3870 dual-band GNSS antenna from Tallysman is available through Canal Geomatics. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.