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📡 Tiny Receiver, Massive Control — Stay Connected, Stay Ahead!
The Readytosky FS2A is a micro 4-channel RC receiver operating on the 2.408-2.475GHz band, fully compatible with Flysky AFHDS 2A protocol transmitters like the i6 series. Its compact 11x25mm size makes it ideal for mini crawlers and micros, featuring a blue LED for easy binding and failsafe confirmation. Designed for reliable PWM output, it ensures seamless control and signal security, making it a top choice for precision RC enthusiasts.











| Best Sellers Rank | #114,367 in Toys & Games ( See Top 100 in Toys & Games ) #71 in RC Radio Receivers |
| Customer Reviews | 4.4 out of 5 stars 90 Reviews |
M**.
Does the job perfectly for micros but be ready to solder
Fantastic. Cheap, bound up instantly. Most importantly works flawlessly with the 4in1 multi module from Radiomaster as well as the FlySky GT5. Photo shows it pinned and soldered but comes unsoldered. I don't mind at all, but may be problematic for some.
C**P
Great receiver for mini crawlers
Binds and works great paired with my gt5 in mini crawlers
D**E
The standard for small robot combat
My robot was mercilessly destroyed during my first competition, but these electronics lived through the ordeal. I gave up on the hobby and gifted all my stuff to another more experienced robot builder. He's still using these after 3 competitions. They are small, which is exactly what's needed for Ant Weight competition. They function as expected. I personally had trouble soldering the small connections, but that's my fault! Others will find these easy to use and the right product for small robot combat.
G**7
Works great with FlySky GT5!
Works great with FlySky GT5 Transmitter. Very easy binding! I feel as though the connector ends should have already been soldered in place?
D**)
Pins not pre-soldered- causing issues.
I Have had trouble with my channel 3 influencing my channel 2, as if they were both wired to channel 3. This may just be my soldering, as I have never soldered pins before, but was still an annoyance for me. Again, possibly my soldering, but the board sometimes won't receive power from my ESC w/ BEC until I flex it in certain ways. My advice- spend a couple extra bucks and get a receiver with pre-soldered pins. Flysky is a less expensive brand anyway.
C**Z
Receiver
This receiver is awesome saves so much room cause is so small and to conect it to you control is easy thought it was going to be hard but it wasn't to bad you do have to solder the pins in just take your time
B**C
Receiver 2
This work perfect in my mini mustang seems pretty durable easy hookup
M**E
Simple and affordable. FS-GT2E used.
This was pretty easy and self explanatory. This is probably the third time in my life I’ve ever attempted soldering and it came out decent, even with the bad eyes and light shaking. Mazz Designs has a YouTube tutorial on how to bind these receivers to make it’s a little easier during your builds. I paired mine with a FS-GT2E. Another budget friendly offering from Flysky. I don’t require much from my comp rigs, 2 channels is perfect for me but this RX does support 4 channels if you have a GT5 or GT6. Use a decent soldering iron with soldering paste. Preferably something with adjustable temp and 100w. Makes the job 1000x faster and cleaner.
F**K
I gave it three stars only because the pins are not soldered in, But some folks like that.
Other than the pins not soldered in, This a very tiny receiver that is easy to bind to the flysky transmitters And I use it in a 24" foam corsair and am really pleased with it.
A**R
Scam, not soldered
I could have saved $10.00 and ordered one that needed to be soldered. I didn’t want to solder it so I ordered this one, false advertising. Don’t buy
Trustpilot
4 days ago
2 weeks ago