How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
Zorro Max Radio Controller
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Zorro Max Radio Controller is a RadioMaster product intended for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
Key Advantages
- Organized for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models.
- Part of the Zorro transmitter platform.
- RF/protocol context: ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX.
- Compatibility note: Compatible with RadioMaster Zorro platform where applicable.
- Multiple variants are documented for easier matching to the required setup.
- Includes local product imagery and structured specifications for customer comparison.
Core Specifications
- Product Code: HP0157.0040-RED
- Product Family: Zorro transmitter platform
- Protocol / RF: ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX
- Compatibility: Compatible with RadioMaster Zorro platform where applicable
- Available Variants: ELRS / FCC / Red; ELRS / FCC / Gold; ELRS / FCC / Blue; ELRS / FCC / Black; ELRS / LBT / Red; ELRS / LBT / Gold; ELRS / LBT / Blue; 4-in-1 / FCC / Red; 4-in-1 / FCC / Gold; 4-in-1 / FCC / Blue; 4-in-1 / FCC / Black; 4-in-1 / LBT / Red; 4-in-1 / LBT / Gold; 4-...
- Battery: 2 x 18350 (Not included)
- Weight: 350 grams
- Item: Zorro Max Radio
- Color: Red / Blue / Gold / Black
- Gimbals: X4 Hall-effect gimbals (AG01 Mini compatible)
- Physical Dimensions: 170*159*108mm
- Operating Frequency: 2.400GHz-2.480GHz
- Internal RF Options: 4-in-1 multi-protocol / ELRS
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | HP0157.0040-RED |
| All Variant SKUs | HP0157.0040-RED, HP0157.0040-GLD, HP0157.0040-BLU, HP0157.0040-BLK, HP0157.0040-RED-LBT, HP0157.0040-GLD-LBT, HP0157.0040-BLU-LBT, HP0157.0041-RED, HP0157.0041-GLD, HP0157.0041-BLU, HP0157.0041-BLK, HP0157.0041-RED-LBT, HP0157.0041-GLD-LBT, HP0157.0041-BLU-LB... |
| Available Variants | ELRS / FCC / Red; ELRS / FCC / Gold; ELRS / FCC / Blue; ELRS / FCC / Black; ELRS / LBT / Red; ELRS / LBT / Gold; ELRS / LBT / Blue; 4-in-1 / FCC / Red; 4-in-1 / FCC / Gold; 4-in-1 / FCC / Blue; 4-in-1 / FCC / Black; 4-in-1 / LBT / Red; 4-in-1 / LBT / Gold; 4-... |
| Product Type | Zorro Radio |
| Product Family | Zorro transmitter platform |
| Application | pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models |
| Item | Zorro Max Radio |
| Weight | 350 grams |
| Compatibility | Compatible with RadioMaster Zorro platform where applicable |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX |
| Supported Protocols | Module dependent / ELRS |
| Display | 128*64 Monochrome LCD |
| Charging | Built in USB-C Charging |
| Gimbals | X4 Hall-effect gimbals (AG01 Mini compatible) |
| Battery | 2 x 18350 (Not included) |
| Color | Red / Blue / Gold / Black |
| Module Bay | Nano Size (Compatible with TBS Nano Crossfire / Nano Tracer / IRC Ghost) |
| Antenna Gain | Folding 2db |
| Internal RF Options | 4-in-1 multi-protocol / ELRS |
| Physical Dimensions | 170*159*108mm |
| Operating Frequency | 2.400GHz-2.480GHz |
| RF Power | Default 100mW |
| Operational Current | 160mA@8.4V |
| Operational Voltage | 6.6-8.4v DC |
| Control Distance | 4-in-1:> 2km / ELRS: Receiver and Power Output dependant |
| Operating system | OpenTX / EdgeTX Compatible |
| Control channels | Maximum 16 (Rx dependent) |
| Firmware Upgrade Method | Via USB or SD card |
Tags: RadioMaster, HP0157.0040-RED, Zorro Radio, RC radio