RadioMaster Nomad RP-SMA Dual-Band 2.4GHz / Sub-G 900MHz
by RadioMaster

The RadioMaster RP-SMA Dual-Band 2.4GHz / Sub-G 900MHz Antenna is an omnidirectional replacement antenna designed for the RadioMaster Nomad Dual 1W Gemini Xrossband ExpressLRS Module and dual-band radio transmitters. Engineered to support both 2.4GHz and Sub-GHz (868MHz / 915MHz) frequencies simultaneously, this antenna enables seamless operation on ExpressLRS Gem-X and dual-frequency protocols without requiring antenna swaps.

Constructed with an articulated hinge and a standard RP-SMA male connector, the antenna features an 80mm flexible coaxial stem and 100mm overall length to minimize stress on the transmitter module while offering flexible vertical or horizontal positioning. Delivering balanced peak gain (3.83dBi at 2.4GHz and 3.58dBi at 900MHz) and low SWR performance, this single replacement antenna restores original signal transmission capability for lost or damaged Nomad module antennas.

Key Features

• Dual-Band 2.4GHz & 900MHz Operation: Supports simultaneous 2.4GHz and Sub-G 868MHz/915MHz ExpressLRS Gemini / Gem-X transmission on a single antenna.

• Direct Nomad Module Replacement: Designed as an individual replacement antenna for the RadioMaster Nomad Dual 1W module and dual-band radio transmitters.

• Standard RP-SMA Male Connector: Secure threaded connector fits directly onto Nomad, Ranger, and Bandit transmitter modules.

• Balanced Dual-Frequency Gain: Provides 3.83dBi peak gain at 2.4GHz and 3.58dBi peak gain at 900MHz for long-range link stability.

• Articulated Hinge Design: 90-degree folding elbow and 360-degree rotation allow flexible antenna positioning to optimize signal polarization.

• Low SWR Performance: Low standing wave ratios (1.27 @ 2.4GHz / 1.25 @ 900MHz) ensure efficient RF power output.

Technical Specifications

• Brand / Manufacturer: RadioMaster

• Model Identifier: Dual-Band 2.4GHz / SUB-G 900MHz RP-SMA Antenna

• Frequency Coverage: 2.4GHz (2400 MHz – 2480 MHz) & Sub-G 900MHz (868 MHz / 915 MHz)

• Connector Type: RP-SMA Male

• Antenna Pattern: Omnidirectional

• Peak Gain: 3.83 dBi @ 2.4GHz / 3.58 dBi @ 900MHz

• SWR: 1.27 @ 2.4GHz / 1.25 @ 900MHz

• Impedance: 50

• Total Length: 100 mm

• Net Weight: 8 grams

• Compatibility: RadioMaster Nomad Module, Ranger Series Modules, Bandit Series Modules, and RP-SMA dual-band transmitters

What Is Included

• (1) RadioMaster RP-SMA Dual-Band 2.4GHz / Sub-G 900MHz Antenna