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RH771 144/430MHz Dual Band Two Way Radio Antenna | 2.15dBi 38cm SMA/BNC Handheld Antenna Replacement
The RH771 is a high-performance dual-band two way radio antenna designed for 144/430MHz VHF and UHF operation. With 2.15dBi gain, low VSWR (<1.5), and up to 50W power handling, it delivers improved signal strength and stable communication performance.
Made of flexible TPEE material and available with BNC or SMA connectors, this 38cm antenna is ideal as a replacement antenna for handheld radios used in amateur radio, security communication, and outdoor operations.
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Product Details
Model No.:RH771
Type:Two way radio antenna
Place of Origin:China
Frequency Range:144/430MHz
Gain:2.15dBi
Connector:BNC/SMA
V.S.W.R:Less than 1.5
Impedance:50ohm
Accept OEM:yes
Length:38cm
Material:TPEE
Product Overview
The RH771 is engineered for dual-band VHF (144MHz) and UHF (430MHz) communication systems. With its extended 38cm length, it offers enhanced signal reception and transmission range compared to shorter stock antennas.
Designed for handheld radios, the RH771 provides stable omni-directional radiation and improved communication clarity in both urban and open-area environments.
Electrical Specifications
Frequency Range: 144 / 430 MHz
Gain: 2.15 dBi
The low VSWR ensures efficient power transmission with minimal signal reflection, helping maintain consistent communication quality.
VSWR: < 1.5
Maximum Input Power: 50W
Polarization: Vertical
Radiation Pattern: Omni-directional
Performance Characteristics
Length: 38 cm
Connector Options: BNC / SMA
The TPEE construction provides flexibility, durability, and resistance to daily wear, making it suitable for both professional and amateur use.
Material: TPEE (Flexible and Durable)
Color: Black
NOTICE
During the installation process, avoid any collisions.
It is strictly prohibited to disassemble the antenna components; otherwise, it may lead to poor antenna performance.
The installation position of the antenna should be free of any obstructions.
When used outdoors, it is necessary to equip with lightning protection facilities.
may contain electronic components. Do not discard them randomly.
