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You Need to Know
1. There are 2 certifications for all brands of remote controllers- FCC and LBT
2. FCC is American radio certification. LBT is EU radio certification.
3. Since the EU has many restrictions, the LBT version has removed many functions that do not comply with EU regulations. It is not as complete as the FCC version.
4. Outside the EU, we recommend to choose the FCC version. If you are in EU, it's better to choose LBT version.
Mode 2- Left hand throttle
★ ELRS (standard) is pre-installed with ExpressLRS ISM FW (Max power is hardware dependnant)
Specification-XR1 Receiver
Item: XR1 Nano Multi-Frequency ExpressLRS Receiver
Type: ISM2.4 or FCC915
MCU: ESP32C3
RF chip: Semtech LR1121
RF connector: IPEX-1
Antenna: 1x T-Antenna (Dual-band)
Frequency Range: 2.4GHz or Sub-G 900MHz
Telemetry Power: 100mW
Maximum Packet rate: DK500Hz / K1000Hz
Minimum Packet refresh rate: 50Hz
Working voltage: 5V
Weight: 1.0g (without antenna)
Dimension: 20mm * 13mm * 3mm
Firmware Version: ExpressLRS v3.5.1 pre-installed
FW Target: RadioMaster XR1 2.4/900 RX
Bus interface 1: CRSF
Bus interface 2: UART
Feature
Size: 170*159*108mm
Frequency: 2.400GHZ-2.480GHZ
RF Chip: ExpressLRS (ELRS)
Working Current: 320mA@8.4V
Voltage Range:6.6-8.4v DC
Radio Firmware: EdgeTX (Transmitter) / ExpressLRS (RF module)
Channels: Up to 16 (depending on receiver)
Display:128*64 Monochrome LCD display
Gimbal: High precision hall gimbals
External module:JR/FrSKY/Crossfire compatible
Upgrade Method: USB/SD card & EdgeTX Buddy online or EdgeTX Companion PC software
USB Charging: QC3 USB-C
SD Card: Included
IMPROVEMENTS
New to TX12 MKII
Updated rear case with comfortable grips
Improve S1 / S2 Grips
Improved USB-C QC 3.0 Charging
Updated main board design
Updated MCU STM32F407
EdgeTX factory installed
SD Card included
Internal ExpressLRS RF Module









