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51 Karma

Review on ๐Ÿ“ถ Threeking Foldable Parabolic Signal Booster Range Extender Antenna for DJI Mavic Mini/Mavic Pro/Mavic 2/Spark/Air 1 Remote Controller by Reza Cook

Revainrating 5 out of 5

This product works as advertised

I first bought it to use with the DJI Spark and it severely impacted signal strength when flying long distances. Of course, what constitutes a longer range depends on the conditions and settings. As other drone owners probably know, your effective control range is affected by bandwidth (2.4GHz vs. 5.8GHz), interference on the particular channel used to communicate with the drone, and possible signal blockages between the operator and the drone influenced. If you are flying in a city with heavy WiFi pollution or if there are hills, trees or buildings between the controller and the aircraft, the range can be severely limited. There are several key factors when using these boosters. You should remove the protective film from the reflective surfaces and ensure the reflectors are fully installed on both antennas. When properly installed, they should be securely connected to the antenna bases so that the ends of the antennas are protruding from the top of the amplifiers. I always tilt the antennas forward a bit for a better view of the phone screen, and the amps don't interfere with joystick operation. The angle of the antennas in relation to the controller does not matter, but it is very important that the operator always makes sure that the plane (not the top) of the antennas is always pointed towards the drone. The signal is weakest at the top and strongest at the sides of the antennas. It is important for the operator to understand that these boosters make the antennas more directional. This means that when flying your drone you must point the booster cups towards the drone as that is where the signal is strongest. This is less of an issue when the drone is very close and more of a critical one when the drone is far away and signals are weaker. To be clear, boosters will still increase your connection to the drone when you're off by a few degrees, but not when you're off by 45 degrees or more in weak signal situations. difference and they clearly work as advertised. I sent my Spark until it reached the limit of reception and automatically returned home due to a weak signal. At that moment I had only one signal strength band displayed. I placed the amps on the controller's antennas, pointed it at the Spark, and now I had three bars showing. I canceled my return home and resent the drone, passed the point where I lost the signal and walked another 2,000 feet before falling down another trail. I've tried several times with the same result. I bought a Mavic Air last week. Once I set it up, I was dying to know if I had a greater area of control compared to Spark. I found it hit the limit of the control range, higher than the no-gain Spark, but it was much less than the range I had with the Spark when using the signal booster. When the Air initiates an automatic return home due to a weak signal, I open my Spark case, remove the booster, and place it on the Mavic Air controller. As with Spark, I went from one bar to three bars at the reported signal strength and was able to cancel the return. and then fly the air another 2,000+ feet. At this point I slipped off the booster and was unable to connect to the air. I turned the booster back on and immediately reconnected and stopped the auto return home it was initiating and regained full control. My flights took place in an urban environment with multiple active Wi-Fi sources. I assume that my area of control away from the city will be even larger. Regardless, I returned to Revain today to purchase a second amp so I don't have to split it between two drone rigs. By the way, if you read all the reviews here, it turns out that many of them have nothing to do with drone controller antenna signal boosters. Someone is talking about battery covers, someone is talking about an iPad, someone is talking about a cell phone. I do not know, that many of these have nothing to do with drone controller antenna signal boosters. Someone is talking about battery covers, someone is talking about an iPad, someone is talking about a cell phone. I do not know, that many of these have nothing to do with drone controller antenna signal boosters. Someone is talking about battery covers, someone is talking about an iPad, someone is talking about a cell phone. I do not know,

Pros
  • โœ…โ˜…Film protective design to protect against fingerprints, dust and scratches. Before use, remove the foil from both sides of the booster.
Cons
  • Available in white only.