HAPPYMODEL
0 ratings
HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300
genuine image
HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300
OpenVTx aims to provide firmware with both the SmartAudio and Tramp protocols.
HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300

HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300

0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
OpenVTx aims to provide firmware with both the SmartAudio and Tramp protocols.
Search for similar products
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Power Output
The OVX300 provides a powerful 300mW transmission capability, ensuring long-range signal quality and reliability, ideal for competitive racing and recreational flying.
Multi-Channel Selection
With 40 channels available, users can easily switch between frequencies to avoid interference, catering to both beginners and advanced users in dynamic environments.
OpenVTX Compatibility
The OpenVTX firmware allows for flexible customization and firmware updates, enhancing user experience and adaptability to evolving technological advancements in FPV setups.

Product Details

Shop HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300 online at a best price in Ireland. B09BC81DP4
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Drone Enthusiasts

    Perfect for hobbyists looking for a reliable and powerful video transmission experience in their drone setups.

  • FPV Racers

    Designed for FPV (First Person View) racing, providing multiple channels to minimize interference during races.

  • Video Filmmakers

    Ideal for those capturing aerial footage, offering strong transmission quality and flexibility in channel selection.

Not Suitable For
  • Casual Users

    Not suitable for casual users who don't need advanced features like adjustable power output or channel diversity.

  • High-Altitude Flyers

    May lack sufficient range for high-altitude flying applications, limiting its usability in vast open areas.

  • Beginner Pilots

    Not ideal for beginners who require simpler systems without the complexity of channel settings and output adjustments.

Product Description

HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX OpenVTX OVX300

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX?

    Answer: The HAPPYMODEL OVX300 OVX303 is designed with a 5-8G frequency range, offering 40 channels for versatile video transmission. It boasts an output power of 300mW, ensuring strong signal strength suitable for outdoor and long-range applications. Additionally, it supports OpenVTX firmware, which allows for customizable settings. This makes it ideal for drone racing, FPV (first-person view) flying, and various aerial photography needs, providing users with flexibility and performance in their video transmission.
  • Question: Is the HAPPYMODEL OVX300 compatible with all FPV cameras?

    Answer: Yes, the HAPPYMODEL OVX300 is compatible with a wide range of FPV cameras that operate within its frequency range. This versatility enables you to pair it with popular models like the Caddx, RunCam, and Foxeer cameras. It allows for seamless video transmission, making it suitable for FPV racing, drone hobbyists, and filmmakers who need reliable video output. Ensure that the camera settings align with the VTX specifications for optimal performance.
  • Question: How does the OpenVTX feature benefit users?

    Answer: The OpenVTX feature in the HAPPYMODEL OVX300 allows users to customize their VTX settings via firmware programming. This means you can change channels, output power, and other parameters using compatible software. This is particularly beneficial for FPV enthusiasts who require specific settings for race events or performance optimization. Customization helps achieve clearer signal transmission and reduces interference, making it highly advantageous for competitive flying.
  • Question: What type of antennas are recommended for the HAPPYMODEL OVX300?

    Answer: For optimal performance with the HAPPYMODEL OVX300, using a low-loss antenna, such as a dipole or cloverleaf antenna, is recommended. These types of antennas enhance signal clarity and range, improving the overall FPV experience. Choosing antennas like the Lumenier AXII or similar can significantly boost your transmission quality during flights, especially in environments with potential obstructions or interference, ensuring you receive a strong signal at varying distances.
  • Question: What is the typical range of video transmission with the OVX300?

    Answer: The HAPPYMODEL OVX300 typically provides a video transmission range of up to 1-2 kilometers (0.6-1.2 miles), depending on environmental factors and antenna selection. The 300mW power output enables a strong signal, allowing for clear video feed during flight. This makes it suitable for both casual flying and competitive events where long-range performance is critical. Users can enjoy uninterrupted video feeds during their aerial activities, enhancing the overall flying experience.
  • Question: Can the HAPPYMODEL OVX300 be used for indoor flying?

    Answer: While the HAPPYMODEL OVX300 is primarily designed for outdoor use due to its 300mW output, it can also be utilized for indoor flying in spacious environments. However, it's essential to consider nearby electronic devices that may cause interference. For indoor applications, lower power settings may be used to limit the range and reduce potential interference with other devices. This versatility allows users to enjoy FPV flying in various settings.
  • Question: How do I configure the HAPPYMODEL OVX300 for my setup?

    Answer: Configuring the HAPPYMODEL OVX300 involves connecting it to your FPV camera and setting it to your desired frequency using the OpenVTX firmware interface. Users can adjust the channel and output power settings according to their requirements. For those unfamiliar with the process, checking online tutorials or user forums can provide valuable assistance. This configurability enables tailored setups for racing, casual flying, or specific filming needs, enhancing functionality.
  • Question: What makes the OVX300 stand out from other VTX options?

    Answer: The OVX300 stands out due to its combination of 40-channel support, adjustable power output, and OpenVTX compatibility, offering a level of customization that many entries in this category lack. This flexibility is particularly appealing to FPV racers and drone hobbyists looking for optimal performance and control. Additionally, its compact design ensures that it can be easily integrated into various drone setups, making it a preferred choice for enthusiasts.
  • Question: Is the OVX303 version different from the OVX300?

    Answer: Yes, the OVX303 is an upgraded variant of the OVX300, featuring enhanced signal processing and potentially improved thermal performance. It maintains the same frequency range and power output, but may include additional features like better filtering or a more robust firmware build. This makes it an excellent option for users requiring higher performance in diverse flying conditions, providing an improved overall experience without compromising on quality.
  • Question: Where can I buy the HAPPYMODEL OVX300 OVX303 in Ireland?

    Answer: You can purchase the HAPPYMODEL OVX300 OVX303 5-8G 40CH 300mw VTX from Ubuy in Ireland. Ubuy offers a wide selection of electronic products and ensures you can find the latest models available. They often provide detailed information and user reviews, which can help you make an informed decision before buying your VTX.

HAPPYMODEL Radio Transmitters Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Compatible with SmartAudio and Tramp protocols for flexible use.
  • Automatically detects the protocol on VTx power-up.
  • Preloaded OpenVTX firmware ensures easy setup.
  • Compact nano size for convenient installation.
  • Stable power output with adjustable transmitting power levels.
  • Ideal for an enhanced FPV experience.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.