SKU: 56574295523

Radiomaster GX12 Dual-Band Gemini-X Radio Controller (Mode 2)

Sale price$143.99 Regular price$159.99
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

Radiomaster GX12 Dual-Band Gemini-X Radio Controller (Mode 2)Get ready to dominate the airwaves and laugh in the face of range anxiety with the RadioMaster GX12 Dual Band Gemini X Radio Controller . This isn't just another "meh" transmitter you chuck into your flight bag; it's your secret weapon for locked in control, buttery smooth freestyle moves, and that coveted long range peace of mind. With the GX12, unpredictable failsafes and glitchy connections become a distant memory, so you can focus on ripping those

Get ready to dominate the airwaves and laugh in the face of range anxiety with the RadioMaster GX12 Dual-Band Gemini-X Radio Controller . This isn't just another "meh" transmitter you chuck into your flight bag; it's your secret weapon for locked-in control, buttery-smooth freestyle moves, and that coveted long-range peace of mind. With the GX12, unpredictable failsafes and glitchy connections become a distant memory, so you can focus on ripping those tight lines, perfecting your inverted yaw spins, and confidently hucking your quad into that distant gap (or at least giving it a good go).

You'll love how effortlessly it handles both 2.4GHz and 868MHz frequencies—meaning you can finally outrun signal dropouts and fly farther without having to sacrifice that morning cuppa to the RF gods. It's whisper-quiet on the sticks, letting you dial in microsurgical throttle control or go full send without your thumbs screaming for mercy. Expect stable link quality, better flying consistency, and more headroom in your FPV escapades, come rain, shine, or the occasional soggy UK field.

Key Benefits:

  • Reliable Long-Range Connection: Keep your quad on a tight leash, even when pushing the envelope over far-off hedgerows and across windy moorland.
  • Effortless Precision: Smooth, precise gimbal control so every flip, roll, and power loop feels intentional, not like a drunken guess.
  • Durable & Travel-Ready: Folding sticks, robust build, and flexible customization options mean less faff and more flight, whether you're off to the local bandos or that secret spot your mates swear by.
  • Hassle-Free Updates & Storage: USB-C connectivity and integrated memory cut down on fiddly gear-juggling. Charge, tweak, and get airborne—no more rummaging through your field box for missing bits.

Specifications:

  • Item: GX12 Radio Controller
  • Color: Black
  • Size: 183 * 148 * 78 mm
  • Weight: 573 g
  • Frequencies: 2.400GHz & 868MHz (firmware dependent)
  • Internal RF: ELRS 2.4GHz / 868MHz
  • Supported Protocols: ExpressLRS
  • RF Output: Dual 1,000mW | Dual Band XROSSBAND ELRS
  • Voltage Range: 6.6 - 8.4V DC
  • Current Draw: 390mA - 1000mA (varies by RF output)
  • Firmware: EdgeTX (Transmitter) / ELRS (RF Module)
  • Channels: Up to 16 (Receiver dependent)
  • Battery Options: 7.4V 2S LiPo / Two 18650 cells / 21700 5000mAh (batteries not included)
  • Charging: 2S Smart Balance Charging (via USB-C)
  • Connectivity: USB-C for firmware, charging, simulator access
  • Display: 128x64 Monochrome OLED
  • Gimbals: GX01 1000Hz 3D Digital CNC Hall Effect with folding sticks
  • External Module Compatibility: Nano / Crossfire
  • Memory: 512MB Integrated Flash

What's in the Box:

  • 1 x GX12 Radio Controller
  • 1 x Signature Carry Case
  • 1 x 18650 Battery Tray
  • 2 x Replacement Switch Panels
  • 1 x Type-C Cable
  • 1 x Screen Protector
  • 1 x 1.5mm Hex Wrench
  • 4 x Low Tension Gimbal Springs
  • 1 x 2-Position Switch
  • 1 x Momentary Switch
  • 1 x RadioMaster Sticker Set
  • 1 x GX12 Manual

Disclaimer: Accessories may vary depending on supply, so don't stare too hard if something's traded places.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56574295523

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Thomas J. Shandorf
Pawtucket, US
★★★★★ 5
Comprehensive, clear and coherent!
Format: Paperback
The iTEP Practice Guide combines a no-nonsense approach to the specific iTEP tests and at the same time offers exercises that task the student with what they need to know. Exercises not only serve the purpose of scoring well, but the overall approach is communicative competence. We use the text in our group and one-to-one classes with very positive--and lasting--results.
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Reviewed in the United States on July 23, 2019
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Sarah Sofía Ortiz Campos
Carnegie, US
★★★★★ 1
No recomiendo
Format: Paperback
Muy malo, no vine completo, además se demoró mucho más de lo que decía al momento de comprarlo. Solo aplazaban la fecha de entrega sin consultar cómo afectaba al cliente. Yo tuve que presentar el examen sin el libro, porque no llegó en la fecha que decía al comprarlo y después se cambió 3 veces la fecha, casi cumpliendo el mes.
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Reviewed in the United States on December 30, 2025
E
Verified Purchase
Elaine li
Birmingham, US
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
T
ThereseHazzard
Phoenix, US
★★★★★ 5
All around helpful---worth the money!
Format: Paperback
This guide has been most helpful for all the folks I help prepare for the iTEP test! It gives insight into what each section of the test is looking for along with examples and great tips about actually TAKING the test. In the Writing and Speaking sections, it also gives sample scores and comments from the Master Grader which is very helpful too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2019
T
Thomas J. Shandorf
Omaha, US
★★★★★ 5
Comprehensive, clear and coherent!
Format: Paperback
The iTEP Practice Guide combines a no-nonsense approach to the specific iTEP tests and at the same time offers exercises that task the student with what they need to know. Exercises not only serve the purpose of scoring well, but the overall approach is communicative competence. We use the text in our group and one-to-one classes with very positive--and lasting--results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2019

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