Tallysman
Tallysman GNSS antenna for Reach M+
Best precision upgrade for professional drone mapping and surveying enthusiasts.
Enhance your positioning accuracy with the Tallysman TW4721 GNSS antenna, specifically designed for the Reach M+ receiver. This compact and lightweight antenna offers wideband reception, ensuring precise multi-constellation tracking for GPS, GLONASS, Beidou, and Galileo. Its advanced Accutenna™ technology reliably captures all upper L-band signals and augmentation signals like WAAS and EGNOS, making it an essential component for professional and demanding positioning applications.
$89.00
Owner Satisfaction
4.6
/ 5
Category Rank
339
/ 1314
#339 in Antennas
Price vs Category Average
-70%
Below average
Model
4721
/ TW
Who it's for
- Surveyors needing reliable RTK accuracy in difficult conditions
- Field technicians working in harsh, unpredictable outdoor environments
- Professionals requiring consistent satellite locks in obstructed areas
Who should skip it
- Budget-conscious hobbyists seeking a low-cost entry point
- Drone operators prioritizing lightweight, aerodynamic equipment
- Users managing strict battery life constraints on mobile devices
Performance breakdown
Multi-constellation tracking
Seamlessly locks onto GPS, GLONASS, Beidou, and Galileo signals simultaneously.
Form factor
Ultra-lightweight design ensures minimal impact on drone or rover aerodynamics.
Signal reliability
Accutenna technology provides consistent, high-fidelity data in challenging outdoor environments.
Integration ease
Specifically engineered for plug-and-play compatibility with the Reach M+ receiver.
Augmentation support
Robust handling of WAAS and EGNOS signals improves real-time positioning accuracy.
Build durability
Rugged construction stands up to the rigors of professional field work.
Key Specs
Model
TW4721
Antenna Type
GNSS antenna
Technology
Accutenna™
Supported Signals
GPS, GLONASS, Beidou, Galileo (L1, G1, B1, B1 BOC, B12, E1)
Augmentation Signals
WAAS, EGNOS, MSAS SBAS
Frequency Range
Upper L-band
Weight
0.05 kg (50g)
VSWR
0.0
Features
- Compact and lightweight design
- Wideband reception for multiple constellations
- Accurate multi-constellation tracking
- Supports GPS, GLONASS, Beidou, Galileo
- Advanced Accutenna™ technology
- Optimized for Reach M+ receiver
- Reliable signal reception
What customers say
Users overwhelmingly praise the Tallysman GNSS antenna for its superior reliability and accuracy when used with systems like the Emlid Reach M+. The core strength is its exceptional engineering, delivering rapid RTK fix convergence and stable signal lock even amid interference. This performance translates directly into higher data integrity for professional surveying and mapping. Reviewers note a significant leap in performance over less expensive alternatives, citing fewer dropped fixes and cleaner data streams. While the initial investment is premium, the consensus is that this component is essential for mission critical tasks demanding centimeter level accuracy. Its robust build quality supports rigorous field use, making it a highly recommended industry standard for precision work.
Know before you buy
While this antenna is specifically optimized for the Reach M+ receiver, it is a standard GNSS antenna that can technically work with other receivers that support its frequency range and SMA connector. However, for the best performance and signal integrity, it is recommended to use it with the hardware it was designed for.
No, the TW4721 is a passive antenna. It does not require its own power source, as it draws the necessary power directly from the connected GNSS receiver.
Yes, it is designed for outdoor use and features a compact, lightweight build that makes it ideal for field applications. Its omnidirectional design ensures it can reliably track multiple constellations like GPS, GLONASS, Beidou, and Galileo while you are on the move.
No, the antenna does not come with a cable. You will need to provide your own cable with an SMA connector to link the antenna to your Reach M+ receiver.
Accutenna™ technology is designed to provide superior multi-path signal rejection and precise phase center stability. This helps the antenna filter out unwanted noise and reflections, resulting in more accurate and reliable positioning data in challenging environments.
Still have a question?
Ask Hayley anything about this product before you decide.