The dipole T antenna is designed and manufactured by BETAFPV for a 2.4G/915MHz/868MHz receiver. This antenna is omnidirectional. RF balun circuit comes with this dipole antenna, just inside the injected rubber enclosure. Every piece of the antenna is tested with the frequency spectrograph to make sure it works in the correct status.
Frequency-specific versions(2.4G/915MHz/868MHz) with built-in balun circuit.
Omnidirectional coverage for stable signal.
Ultra-light (0.94g) with short/long cable options.
Individually tested for frequency accuracy.
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Description
FAQ
Antenna Compatibility & Selection Tips
Which antenna should I choose? Are these antennas compatible with other receivers like Frsky or TBS receivers?
First, it is compatible with any receiver with an IPEX MHF connector. Note that do NOT use the antenna with the wrong frequency. Even they look almost the same outside, but different balun circuit inside. It will have totally different performance in the wrong frequency point. Second, the shorter 915MHz/868MHz antenna is just made for small whoop drones. If you expect full-range performance, highly recommend the longer version.
3D Radiation Pattern
The BETAFPV dipole T antenna is omnidirectional. Below is the antenna 3D radiation pattern image.
RF Antenna Balun
What is a Balun and why should we use it in these dipole T antennas? In order for these balanced antennas to be fed by coaxial cable, an antenna balun is often included at the feed point. For more details, please check this article.
A: The Dipole T Antenna is designed for 2.4GHz, 915MHz, and 868MHz FPV receivers, such as ELRS, FrSky, or TBS Crossfire. It provides omnidirectional signal coverage and is ideal for small drones and long-range flight setups.
Q: Can I use a 2.4GHz antenna with a 915MHz or 868MHz receiver?
A: No. Each antenna has a specific built-in balun circuit tuned for its frequency. Using the wrong frequency will result in poor performance or signal loss, even if the antennas look similar.
Q: What is a balun and why is it used in this antenna?
A: A balun (balanced-to-unbalanced transformer) allows the dipole antenna to be fed by a coaxial cable. It ensures efficient signal transfer and proper impedance matching. The balun is integrated into the antenna's rubber housing.
