Happymodel EP2 TCXO ExpressLRS 2.4GHz Receiver – Ultra Lightweight

Small. Stable. Reliable.

The Happymodel EP2 TCXO is one of the most popular ExpressLRS 2.4 GHz receivers for micro FPV drones, featuring a built-in SMD ceramic antenna for even more compact installs. With TCXO technology (temperature compensated crystal oscillator), the EP2 maintains accurate frequency stability in all conditions, ensuring consistent control and reliable range. At just 0.44 g, it’s the go-to ELRS receiver for ultralight quads, toothpicks, and tiny whoops.

Why Pilots Love It

• TCXO stability — accurate frequency even in hot or cold conditions.
• Built-in ceramic antenna — no fragile external whip, smaller footprint.
• Featherweight — only 0.44 g, easy to fit into micro builds.
• High refresh rates — supports 25 Hz–500 Hz ExpressLRS.
• Plug-and-play firmware — ships with Happymodel_EP_2400_RX v3.0.1.

Quick Specs

• Type: ISM 2.4 GHz receiver
• MCU: ESP8285
• RF Module: SX1280 (SX1281) IMLTRT
• Frequency Range: 2400–2500 MHz
• Refresh Rate: 25 Hz–500 Hz
• Voltage: 5 V
• Weight: 0.44 g
• Dimensions: 10 × 10 × 6 mm
• Antenna: SMD ceramic (integrated)
• Peak Gain: 3.7 dB
• Firmware (default): Happymodel_EP_2400_RX v3.0.1
• Special Feature: Built-in TCXO for frequency stability

What’s in the Box

• 1 × Happymodel EP2 TCXO ExpressLRS 2.4 GHz Receiver

In short: The EP2 TCXO combines ultra-light design with a built-in ceramic antenna and TCXO stability, making it one of the most compact and reliable ExpressLRS receivers for micro FPV builds.