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Strong real-time performance analog video transmitter (VTX)

Categories UAV Drone
Brand Name: QV-FQ
Model Number: QV-IRC5.8G
Certification: ISO
Place of Origin: CHINA
MOQ: 1
Price: Negotiated
Payment Terms: L/C,T/T
Supply Ability: 80,000pcs/month
Delivery Time: In 5 work day
Packaging Details: Packaging with anti-collision foam
Number of channels: 88CH
frequency range: 4900~6100MHz
output power: 25mW 、500mW 、 1W、5W、10W
control protocol: IRC Tramp supports OSD parameter adjustment
Modulation type: FM frequency modulation
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  • Product Details
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Strong real-time performance analog video transmitter (VTX)

Strong real-time performance analog video transmitter (VTX)

Core Positioning

An analog video transmission system with real-time performance as its core competitive edge, dedicated to providing professional pilots and high-end applications with lag-free, highly reliable visual feedback, ensuring absolute synchronization between control commands and visual perception.

Application Scenarios

  • Professional Drone Racing and Training

  • Extreme FPV Freestyle Flying and Cinematic Filming

  • Unmanned System Testing and Development

  • Tactical Reconnaissance and Emergency Response

Core Selling Points

  • Frame-by-Frame Ultra-Low Latency

  • Optimized Signal Transmission Chain

  • Stability in Complex Environments

  • Predictable Failure Mode

  • Seamless Compatibility with Professional Equipment

  • Sustained Performance at High Power Output

projectspecifications
working voltage :DC 7-20V
working current :2.6A@12V
operating ambient temperature :-10~65℃
weight :70g (excluding the antenna)
outline dimension :74mm*38.5mm*24mm
Mounting hole position:20mm x 20mm spacing, with M2 threaded holes included
Number of channels:88CH
frequency range :4900~6100MHz
output power :25mW ,500mW , 1W,5W,10W
control protocol :IRC Tramp supports OSD parameter adjustment
Modulation type:FM frequency modulation
channel bandwidth :8MHz
Antenna interface:SMA (external thread with internal hole)
Video format:NTSC/PAL

Product Features

Supports operation across the 4.9G to 6.1G broadband spectrum
Button/IRC control for quick CH and power adjustment
Special design eliminates antenna connection and power amplifier burnout
Automotive-grade RF crystal with temperature range and enhanced frequency stability
Fully metal CNC casing with dustproof and explosion-proof features, excellent heat dissipation, and stable power output
Fast frequency locking, no interference with peers during startup
High-temperature protection: When the product overheats during continuous operation, the image transmission system activates power reduction protection. Once the system reaches the equilibrium point, power output gradually increases to prevent thermal damage from high temperatures.
High output power, stable output power, and long transmission distance

Interface Function Definition

jogglefunctional description
GND1,GND2:The ground wire connects to the GND of the flight control system.
RX:

Image transmission control signal input: Connect to the UART TX interface of devices such as flight control systems, and activate the IRC control protocol to regulate functions including transmission frequency, bandwidth, and power.

VTX:Video input: Connect to the flight control's video output (VTX)
VCC:Connect the DC 7V-20V power input to the positive terminal of the DC-DC buck regulator module, not directly to the flight controller.
GND:Connect the negative terminal of the power input to the negative terminal of the DC-DC buck regulator module.
POWER:

power adjustment button

  • Short press to adjust power, cycling between five levels: 25mW, 500mW, 1W,5W, and 10W.
  • Double-click to enter PIT mode (Maintenance Mode, with minimal video output power; avoid activation if possible).
  • Long press to lock/unlock the image transmission power and frequency buttons (to prevent accidental touches)
FRCH:

Frequency/Channel Adjustment Button

  • Short press to change channel, cycling between CH1 to CH8
  • Long press for 3 seconds to enter frequency group switching mode. Short press again to change the frequency group.
PWR LED:

Power indicator: Red (flashes to indicate power level)

  • Red light off: indicates entry into PIT mode
  • Red light on: Locks the video transmission power and frequency buttons
CH LED:Channel indicator: Green (indicates channel CH by the number of flashes)
FR LED:Band indicator light: Blue (indicates the number of flashes for the band)

Frequency Table

1, Power and LED status (PWR LED flash count)

Red LED flashing in a loopextinctAlways onFlash onceFlash twiceFlash 3 timesFlash 4 timesFlash 5 times
Power levelPITLock button25mW500mW1W5W10W

2, Frequency group, channel, and indicator light status (LED flash count)

Frequency group indicator (blue)
FR LED Flashing Indicator
Channel (MHz)
Indicator light (green LED)

CH1

Flash once

CH2

Flash twice

CH3

Flash 3 times

CH4

Flash 4 times

CH5

Flash 5 times

CH6

Flash 6 times

CH7

Flash 7 times

CH8

Flash 8 times

LED flash onceBand A58565845582558055785576557455725
LED flashes twiceBand B57335752577157905809582858475866
LED flashes 3 timesBand E57055685566556455885590559255945
LED flashes 4 timesBand F57405760578058005820584058605880
LED flashes 5 timesBand R56585695573257695806584358805917
LED flashes 6 timesBand H56535693573357735813585358935933
LED flashes 7 timesBand L53335373541354535493553355735613
LED flashes 8 timesBand U53255348536653845402542054385456
LED flashes 9 timesBand O54745492551055285546556455825600
LED flashes 10 timesBand X49905020505050805110514051705200
The LED flashes 11 times.Band Z60026028605460806106613261586184

3. Installation dimension drawing

Notes:

If the RX cable is already connected to the transmitter of the flight controller, the buttons will not function.

Details of Accessories (Attached Diagram)

Terminal wire

4P terminal wire, length 200mm ±3mm

power line

2P terminal wire, length 200mm ±3mm

Bamboo stick antenna

5.8G frequency band, with an intermediate connecting cable measuring 140mm ± 3mm

Company Information

Shenzhen Fengqing Instrument Co., Ltd.

Crafted in China, Quality Forges Low-Altitude Security.
Upholding a "customer-first" philosophy, Fengqing Instrument is committed to providing professional service throughout the entire product lifecycle:

  • Pre-sales Consultation: Customized solution designs and product recommendations based on client needs.
  • In-sales Support: Comprehensive technical support for installation, debugging, and operational training.
  • After-sales Service: Rapid-response system including remote support and on-site maintenance.
Fengqing Instrument product certification
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