Does antenna need to be grounded?

The antenna does not need to be grounded, You can also add an additional ground plane kit to it, ground plane kit will enhance the signal strength and efficiency

Is the SWR of the antenna to be less than 1.5?

Antenna tested by a comprehensive measuring instrument, the SWR of the center frequency conforms to the technical parameters (less than 1.5), Your test need to eliminate interfering factors such as test frequency, antenna installation, feeder line

Can it be used indoors?

Yes, it can be used both indoors and outdoors. It works for indoor use in places like attics and garages

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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UHF Fiberglass Mobile Radio Antenna, 17" 400-470mhz GMRS Base Antenna

UHF Fiberglass Mobile Radio Antenna, 17" 400-470mhz GMRS Base Antenna

Product ID: 299379007

Details

Antenna
Radio
Brand
UAYESOK
Color
white
Impedance
50 Ohms
Manufacturer
Quanzhou Hai
Maximum Range
70 Centimeters

⚡2.5dBi gain for clear signal

📡400-470MHz frequency range

🛠️SO239/UHF Female connector

42735CFA

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Description

📡 Stay Connected, Stay Ahead — Your Signal’s Best Friend!

PLUG PLAY POWER - Easy SO239/UHF female connector with included mounting bracket for quick, hassle-free installation anywhere—indoor or outdoor.
COMPACT EFFICIENT - At just 17 inches, this antenna delivers 2.5dBi gain without bulk, perfect for professional setups and mobile use.
RUGGED YET LIGHTWEIGHT - Durable fiberglass construction that's weatherproof, UV-resistant, and corrosion-free—built to last through every outdoor adventure.
SEAMLESS SIGNAL MASTERY - Optimized 400-470MHz frequency for crystal-clear communication across your GMRS and ham radio devices.
RELIABLE EMERGENCY READY - Supports up to 100W max power, ensuring your communication stays strong when it matters most—camping, hiking, or critical comms.

The UHF Fiberglass Mobile Radio Antenna is a 17-inch, 400-470MHz GMRS base antenna designed for ham radios and repeater systems. Featuring a durable, weatherproof fiberglass build and a 2.5dBi gain, it supports up to 100W power and includes an SO239/UHF female connector with mounting hardware for versatile indoor/outdoor installation. Perfect for professionals and outdoor enthusiasts seeking reliable, high-quality communication.

Specifications

ASIN	B08TWN78MM
Antenna	Radio
AntennaDescription	Radio
Best Sellers Rank	#307 in Radio Antennas
Brand	UAYESOK
Color	white
Customer Reviews	4.4 out of 5 stars 285 Reviews
Impedance	50 ohm
Item Highlight	SO239 Connector, For Ham Radio Device Repeater Mobile Transceiver, With Mount Bracket
Manufacturer	Quanzhou Hai Mao Wei Communication Co., Limited
Maximum Range	70 centimeters
Mfr Part Number	UA-40U
Model Number	UA-40U
Number of Channels	2
Number of Items	1
Number of Packs	1
Unit Count	1 Count
Warranty Description	1 year

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42735CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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