Radiomaster DBR4 2.4GHz 868/900MHz Dual-Band Dual-Channel Gemini Xrossband ExpressLRS Receiver for Nomad Module
43
Guaranteed Safe Checkout

Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471
Radiomaster DBR4 2.4GHz 868/900MHz Dual-Band Dual-Channel Gemini Xrossband ExpressLRS Receiver for Nomad Module
Description:
Introducing the DBR4 Receiver: the perfect companion to the RadioMaster Nomad. The DBR4 is a cutting-edge dual-band, dual-channel Gemini receiver that ensures seamless compatibility with the Nomad module. Engineered for superior performance, the DBR4 boasts two dual-band sections, each capable of simultaneously receiving 2.4GHz and 900MHz signals. This innovative design allows for the reception of two data streams simultaneously, providing exceptional interference rejection and eliminating the risk of lost packets. With the DBR4, you can trust that your signal remains robust and reliable, giving you the confidence to push your limits and explore new horizons. Elevate your RC experience with the unparalleled connectivity and performance of the DBR4 Receiver.
Features:
Telemetry RF power: Max 2x 100mw
Experience unmatched reliability with dual-band ELRS Gemini Xrossband
ExpressLRS Gemini 2.4GHz
ExpressLRS Gemini 868/900MHz
4 Descrete antennas for optimal antenna arrangement
20 X 20mm mounting holes
Xrossband GemX support
Specification:
Item: DBR4 Gemini Xrossband ExpressLRS Receiver
Type: ISM 2.4G/ FCC 915M
MCU: ESP32
RF chip: Semtech LR1121 x 2
Telemetry RF power: Max 100mW
Antenna: 2 x 2.4GHz wires & 2 x 900MHz wires
Frequency Range: 2.404 - 2.479 GHz / 903.5 - 926.9 MHz
Maximum receive refresh rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)
Minimum receiver refresh rate: 50Hz
Working voltage: DC 4.5 - 8.4V
Weight: Without antennas 2.70g / With antennas 5.30g
Dimension: 27.20 *27.20mm
Firmware Version: ExpressLRS v3.3.2 pre-installed
Bus interface: CRSF
Package included:
1 x DBR4 Gemini Xrossband ExpressLRS Receiver
2 x 2.4 GHz wire antennas
2 x 900 MHz wire antennas
1 x CRSF wire
4 x 4mm Red vibration dampeners
4 x 3mm Black vibration dampeners
1 x Manual card
Description:
Introducing the DBR4 Receiver: the perfect companion to the RadioMaster Nomad. The DBR4 is a cutting-edge dual-band, dual-channel Gemini receiver that ensures seamless compatibility with the Nomad module. Engineered for superior performance, the DBR4 boasts two dual-band sections, each capable of simultaneously receiving 2.4GHz and 900MHz signals. This innovative design allows for the reception of two data streams simultaneously, providing exceptional interference rejection and eliminating the risk of lost packets. With the DBR4, you can trust that your signal remains robust and reliable, giving you the confidence to push your limits and explore new horizons. Elevate your RC experience with the unparalleled connectivity and performance of the DBR4 Receiver.
Features:
Telemetry RF power: Max 2x 100mw
Experience unmatched reliability with dual-band ELRS Gemini Xrossband
ExpressLRS Gemini 2.4GHz
ExpressLRS Gemini 868/900MHz
4 Descrete antennas for optimal antenna arrangement
20 X 20mm mounting holes
Xrossband GemX support
Specification:
Item: DBR4 Gemini Xrossband ExpressLRS Receiver
Type: ISM 2.4G/ FCC 915M
MCU: ESP32
RF chip: Semtech LR1121 x 2
Telemetry RF power: Max 100mW
Antenna: 2 x 2.4GHz wires & 2 x 900MHz wires
Frequency Range: 2.404 - 2.479 GHz / 903.5 - 926.9 MHz
Maximum receive refresh rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)
Minimum receiver refresh rate: 50Hz
Working voltage: DC 4.5 - 8.4V
Weight: Without antennas 2.70g / With antennas 5.30g
Dimension: 27.20 *27.20mm
Firmware Version: ExpressLRS v3.3.2 pre-installed
Bus interface: CRSF
Package included:
1 x DBR4 Gemini Xrossband ExpressLRS Receiver
2 x 2.4 GHz wire antennas
2 x 900 MHz wire antennas
1 x CRSF wire
4 x 4mm Red vibration dampeners
4 x 3mm Black vibration dampeners
1 x Manual card