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Radio receivers

Nowadays most common radio receivers are with 6 and 8 channels but you can find versatile 2.4Gh, 915MHz, and 868MHz radio systems with up to 16 channels.

According to the adopted modulation, radio receivers can be categorized in:

  • PWM RX (Pulse Width Modulation);
  • PPM receivers (Pulse Position Modulation);
  • CPPM receivers (Combined PPM);
  • SBUS receivers (Serial Bus  aka S.BUS);
  • DSM2/DSMX receivers (Digital System Multiplexer);
  • ExpressLRS radio receivers.

Radio receivers for drones and quadcopters

Just few of the best radio receiver brands: FrSky, Futaba/Spektrum, iRangeX, RadioLink, FlySky, ELRS, and Walkera.

Which type of receiver should you use?

Tough question, When it comes to choosing one I would personally suggest FrSky radio system for multi-rotors but I also like the much cheaper FlySky radio.

RadioMaster Bandit ExpressLRS: 915MHz ELRS RX and TX

RadioMaster Bandit series (TX and RX)
After testing so much 2.4GHZ ELRS hardware, I thought it was time to review some 915MHz equipment too. RadioMaster's Bandit series includes three TX units (RF, Micro, and NANO) and two RX modules (BR1 and BR3). In this article, we will check out the features and how to set up the Bandit Nano transmitter module and BR3 radio receiver. ExpressLRS...

Happymodel EP1 Dual ELRS Receiver: True Diversity!

Happymodel EP1 Dual ELRS
The Happymodel EP1 is the first ELRS-enabled true diversity radio receiver. It aims to provide the best range even in difficult conditions. Happymodel EP1 has two antennas and two radio modules for doubling the signal quality. In theory, "Diversity" uses at the time only one antenna by toggling to the antenna that has the strongest signal. The EP1 uses...

Ultra Durable water-proof ELRS receiver from DarwinFPV

DarwinFPV waterproof ELRS receiver
Regarding FPV drone parts that are waterproof or water-resistant, it's important to note that, while some components like this DarwinFPV Cement ELRS receiver might have a certain level of protection against moisture, truly waterproof FPV components are relatively rare due to the nature of the electronic components involved. Water resistance can be particularly useful if you plan to fly...