Happymodel ELRS 2.4GHz Nano RX EP1/EP2 (SX1280) receiver
Compact ELRS nano 2.4GHz receiver family with ESP8285/STM32L432 MCU and SX1280 RF chip. Built-in ceramic antenna enables light, small form factor; firmware upgradable via WiFi. Suitable for low-latency, high-refresh-rate setups
Highlights
- SX1280 RF chip
- ESP8285/STM32L432KBU6 MCU
- expresslrs compatible nano RX
Pros
- compact and lightweight design
- built-in ceramic antenna
- firmware upgrade via WiFi
- same RF module as PP RX
- low-latency, high-refresh-rate potential
Cons
- customer insight unavailable
- rating only 4.10 from 8 reviews
- mixed availability of EP1/EP2 variants
Best For
Features
- PP RX hardware uses STM32L432KBU6 MCU and SX1280 RF chip with a built-in ceramic antenna
- Nano 2.4GHz RX EP1/EP2 share the same RF module as PP RX and use ESP8285 MCU
- Firmware on EP1/EP2 can be upgraded via WiFi for simplicity
- Low-latency, high-refresh-rate RF module suited for FPV race and long-range applications
- Ultra-light, nano-sized design suitable for Tiny Whoop setups
