RadioMaster TX12 Mark II ELRS Radio Transmitter — EdgeTX, Hall Gimbals, 16CH, QC3 USB-C, FCC or LBT
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RadioMaster TX12 Mark II ELRS Radio Transmitter — EdgeTX, Hall Gimbals, 16CH, STM32F407, QC3 USB-C
The RadioMaster TX12 Mark II is a compact, feature-packed FPV radio transmitter built for pilots who want a lightweight, palm-sized controller without compromising on performance. Pre-loaded with EdgeTX and powered by a built-in ExpressLRS (ELRS) 2.4GHz RF module, the TX12 MKII delivers ultra-low-latency control with up to 16 channels. High-precision Hall effect gimbals, an updated STM32F407 MCU, improved ergonomics, and QC3.0 USB-C charging make this one of the best-value radios in its class.
What’s New in the Mark II
- Updated rear case with improved, comfortable grip ergonomics
- Improved S1 / S2 slider grips
- Updated MCU: STM32F407 (faster, more capable processor)
- Improved QC3.0 USB-C charging (faster charge, universal cable)
- EdgeTX factory-installed (no flashing required out of the box)
- SD card included
- Internal ExpressLRS RF module (no external ELRS module needed)
- Updated main board design for improved reliability
Key Features
- ExpressLRS (ELRS) 2.4GHz Built-In — Long-range, ultra-low-latency radio link; pre-installed with ExpressLRS ISM firmware; no external module required for ELRS operation
- EdgeTX Firmware — Factory-installed EdgeTX; fully compatible with OpenTX; update via USB, SD card, EdgeTX Buddy (online), or EdgeTX Companion PC software
- Hall Effect Gimbals — Magnetic hall sensor gimbals provide smooth, precise, and durable stick response with no contact wear over time
- 16 Channels — Supports up to 16 channels depending on receiver; ideal for complex model configurations
- External Module Bay — JR / FrSKY / TBS Crossfire compatible external module bay for additional protocol flexibility
- 128×64 Monochrome LCD — Clear, readable display for model configuration and telemetry
- Mode 2 (Left-Hand Throttle) — Standard FPV/RC configuration out of the box
- QC3.0 USB-C Charging — Fast charge via standard USB-C cable
- CE, FCC, RoHS Certified
Specifications
- Dimensions: 170×159×108mm
- Weight: ~0.7kg
- Frequency: 2.400–2.480GHz
- RF Chip: ExpressLRS (ELRS)
- MCU: STM32F407
- Working Current: 320mA @ 8.4V
- Voltage Range: 6.6–8.4V DC
- Channels: Up to 16 (receiver dependent)
- Display: 128×64 monochrome LCD
- Gimbals: Hall effect (magnetic, contactless)
- External Module: JR / FrSKY / Crossfire compatible
- Firmware: EdgeTX (TX) / ExpressLRS (RF)
- Charging: QC3.0 USB-C
- SD Card: Included
- Mode: Mode 2 (left-hand throttle)
- Certifications: CE, FCC, RoHS
FCC vs LBT — Which Version Do I Need?
- ELRS FCC (M2) — American radio certification; full feature set; recommended for use outside the EU (US, Canada, Australia, Asia, etc.)
- ELRS LBT/EU (M2) — EU radio certification; some features restricted to comply with EU regulations; recommended for buyers in the European Union
Available Bundles
- TX12 Only — Radio transmitter only (no battery included)
- With 5000mAh — TX12 MKII + 5000mAh battery pack
- With Bag — TX12 MKII + carry bag for transport and storage
- With 18650 Set — TX12 MKII + 18650 battery set
- With RX 18650 Set — TX12 MKII + receiver + 18650 battery set (best value for new builds)
Perfect For
- FPV pilots wanting a compact, lightweight radio with full ELRS 2.4GHz built-in
- Pilots upgrading from older OpenTX radios to EdgeTX without the learning curve
- Anyone looking for a capable radio with Hall gimbals and JR module bay at an accessible price point
- Pilots who want ELRS long-range capability without adding an external module
Shipping Policy
Estimated Delivery: Orders typically arrive within 3-7 business days to most locations in North America.
International Shipping: Available with tracking. Transit times vary by destination.
Return & Guarantee Policy
Return Policy: Defective or damaged item? Return it within 30 days for a full refund. Customer pays return shipping.
Technical Support: Need help with compatibility or setup? Contact our FPV experts for free assistance.