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.
DUPLEX 2.4EX Receiver REX 3 A20
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
DUPLEX 2.4EX Receiver REX 3 A20
DUPLEX 2.4EX Receiver REX 3 A20 is a professional JETI Duplex 2.4EX REX receivers with or without stabilisation system item from JETI model s.r.o., prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
Recommended use
This product is relevant for RC builders and pilots looking for jeti duplex 2.4ex rex receivers with or without stabilisation system, replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.
What to check before ordering
Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.
Key details
- Manufacturer: JETI model s.r.o.
- Product Type: JETI Duplex 2.4EX REX receivers with or without stabilisation system
- SKU: 80001249
- EAN: 8595245915018
- MPN: JDEX-RR3-A20
- Availability: In stock
DUPLEX 2.4EX receiver REX 3 A20 - antenna lenght 200mm - special antenna ends for highest receiving quality in large models (see pictures) - New: JETI-Hacker Ditex Servotelemetry with the REX Receiver (minimum requirement: REX FW 1.10, DC/DS-Transmitter SW 4.27, Ditex Servo FW 1.17) techn. datas: Weight [g] 7,5 Dimensions [mm] 40 x 22 x 7 Number of channels max. 3 Telemetry Yes Operational temperature [-C] -10 ... 85 Compatible protocols DUPLEX 2.4GHz EX, EX Bus, UDI, PPM Antenna Length [mm] 2 x
Reference SKU/model: JDEX-RR3-A20. Mention this reference when contacting RC-MODEL for availability or fitment support.
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 | JETI model s.r.o. |
| Product Type | JETI Duplex 2.4EX REX receivers with or without stabilisation system |
| SKU | 80001249 |
| EAN | 8595245915018 |
| Availability | In stock |
| MPN | JDEX-RR3-A20 |
Tags: JETI model s.r.o., DUPLEX 2.4EX Receiver REX 3 A20, Radio Systems, Receiver and Central Box, JETI Duplex 2.4EX REX receivers with or without stabilisation system