HDZero Radio - ELRS

HDZero Radio is a compact, FPV-first ExpressLRS radio that makes ELRS setup and flying simple, fast, and completely phone-free, whether you are on your first quad or packing a travel bag for a race weekend.

Features

• Built-in 250 mW ExpressLRS transmitter with full on-radio configuration for packet rate, telemetry ratio, output power, and VTX control.

• One-touch ELRS button to open the ELRS menu, plus press-and-hold shortcut for instant binding in the field.

• Bright OLED screen with a smooth 50 fps UI, including live stick visualization and clear, easy-to-follow menus.

• ELRS VTX Admin to change band, channel, and power from the radio without touching the quad.

• ELRS Backpack support to sync video channels between your drone and goggles automatically.

• Bluetooth ELRS joystick mode for wireless simulator sessions, no cables required.

• Trainer / Buddy Box support (DSC) for teaching new pilots safely or using it as a dedicated trainer radio.

• Trainer jack also supports head tracking from compatible FPV goggles.

• Compact, lightweight design with gimbal sticks that stow inside the radio for transport.

• Includes hard case and battery so it is ready to fly right out of the box.

• Designed as both an excellent starter radio for new ELRS pilots and a powerful secondary/travel radio for experienced flyers.

Specifications

• Protocol: ExpressLRS 2.4 GHz, ships with ELRS 3.x, upgradable to ELRS 4.x via standard ELRS tools.

• ELRS Output Power: Up to 250 mW with dynamic power control for extended battery life.

• ELRS Configuration: Full configuration available on the radio (binding, packet rate, telemetry ratio, TX power, VTX Admin, and more), no phone or PC required for day-to-day changes.

• Binding: One-touch ELRS menu button plus press-and-hold bind shortcut; supports binding phrases set via ExpressLRS Configurator or TX WiFi web interface.

• Display: High-refresh OLED display with ~50 fps UI and live stick visualization.

• Trainer: DSC trainer / buddy box support for student/teacher setup.

• Simulator Mode: Bluetooth ELRS joystick mode for wireless sim use.

• Backpack: ELRS Backpack compatibility for automatic VTX / goggle channel sync.

• Power & Battery: Up to ~10 hours of use at 250 mW with dynamic power; battery included in the box.

• Controls & UI: Purpose-built FPV-first interface focusing on the settings pilots change every day (model/channel order, channel direction, stick modes, ELRS and VTX settings).

• Form Factor: Compact, lightweight gamepad-style radio with stowable sticks and included hard case for travel.

• Pricing (MSRP): 54.99 USD global, 59.99 USD USA.