SKU: 70537010246

Radiomaster DBR4 Dual band Xross Gemini ExpressLRS Receiver

$19.75 $21.95
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Radiomaster DBR4 Dual band Xross Gemini ExpressLRS ReceiverFeatures Telemetry RF power Max 2x 100Mw Experience unmatched reliability with dual0band ELRS Gemini Xrossband ELRS Gemini 2. 4GHz ELRS Gemini 868 915MHz 4 Discrete antennas for optimal antenna arrangement Specifications Item: DBR4 Gemini Xrossband 2. 4GHz 915MHz ExpressLRS Receiver Type: ISM2. 4G FCC 915M MCU: ESP32 RF chip: Semtech LR1121 x2 Telemetry RF power: Max 100mw Antenna 2x 2. 4GHz wire 2x 915MHz wire Frequency range: 2. 404 2. 479GHz 903. 5

Features

  • Telemetry RF power Max 2x 100Mw
  • Experience unmatched reliability with dual0band ELRS Gemini Xrossband
  • ELRS Gemini 2.4GHz
  • ELRS Gemini 868/915MHz
  • 4 Discrete antennas for optimal antenna arrangement

Specifications

  • Item: DBR4 Gemini Xrossband 2.4GHz/915MHz ExpressLRS Receiver
  • Type: ISM2.4G/FCC 915M
  • MCU: ESP32
  • RF chip: Semtech LR1121 x2
  • Telemetry RF power: Max 100mw
  • Antenna 2x 2.4GHz wire | 2x 915MHz wire
  • Frequency range: 2.404-2.479GHz / 903.5-926.9MHz
  • Maximum receive refresh rate: 500Hz 
  • Minimum receiver refresh rate: 50Hz
  • Working voltage: DC 4.5-8.0V
  • Weight: Without antennas 2.7g/ with antennas 5.3g
  • Dimension: 27.2*27.2mm
  • Firmware Version: ExpressLRS v3.3.2 pre-installed
  • Bus interface: CRSF

Includes

  • 1x DBR4 Dual band Xross Gemini ExpressLRS Receiver
  • 2x 2.4GHz wire antenna
  • 2x 915MHz wire antenna
  • 4x 100mm wires
  • 4x 4mm Red vibration dampeners
  • 4x 3mm Black vibration dampeners
  • 1x Manual card

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70537010246

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4.8 ★★★★★
Based on 18 reviews
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Darren Rowe
Draper, US
★★★★★ 4
Nice Shirt
Color: Lake Green, Size: XX-Large
Nice shirt. Fits well. Fabric is heavy but it feels durable. Almost feels like a baseball jersey. Nice casual shirt for work.
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Reviewed in the United States on May 14, 2026
A
Verified Purchase
AlHerVal
Dallas, US
★★★★★ 5
True to size
Color: Lake Green, Size: Large
Ordered this because my husband has ordered tank tops from this company so I had something for reference, but this ran true to size and fit my husband great. He’s a size L. The shirt had like a dry fit feel to it. It was breathable and was pretty wrinkle resistant. We’ve washed and dried it a few times and it doesn’t get crazy wrinkles. It’s not too thick so it’s great for an occasion during warmer weather. There was a huge variety of different styles of shirts. For the price it’s great.
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Reviewed in the United States on March 5, 2026
L
Verified Purchase
Lynn
Alexandria, US
★★★★★ 3
Stubborn Wrinkles
Color: Black, Size: XX-Large
The shirt came vacuum sealed. After two washings the wrinkles are still there. Beautiful shirt but not wearable yet. I'll try steaming it! It fits well.
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Reviewed in the United States on May 2, 2026
C
Verified Purchase
Cam L.
Birmingham, US
★★★★★ 5
Good fit
Color: Classic Blue, Size: X-Large
Soft and good color.
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Reviewed in the United States on May 6, 2026
S
Verified Purchase
Sandy Rainford
Lake Worth, US
★★★★★ 5
Material
Color: Wine Red, Size: XX-Large
Beautiful material and perfect price
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Reviewed in the United States on May 3, 2026

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