How does this connect to the support pole? What diameter pole is needed?

The antenna comes with a 1 1/4" support tube which the antenna itself mounts in. The support tube has two u-bolt clamps to mount the support tube to the mast. The clamps will work on the mast tubing of 1 1/4" to 2" in diameter.

What are the dimensions of this antenna when fully assembled? I may need to deploy through a window.

Approximately 60x3x3 inches. Would not recommend indoor use.

Does this have pl259 type connector?

Yeah, the x50a is a so-239 ....the x50n is a n type connector ...use no less that rg8 feed line ....I recommend lmr400 which is what I use ....73's

Will this work in the 450-470mhz range?

Yes it will, it works in the 70cm bands (420-450) MHz as well as the 2 meter (144-148) MHz bands. It's a great antenna with good gain and is really well made. Hope this helps.

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X50A X50 X50-A Diamond Original 144/440 MHz Dual Band Base Antenna - UHF Connector, 5.6 FT

Product ID: 12719768

Details

Antenna
Radio
Brand
Diamond
Color
White
Impedance
30 ohm
Manufacturer
Diamond
Maximum Range
5.6 feet

💪7.2 dB gain on 70 cm band

📡Dual-band 144/440 MHz coverage

🌪️Withstands 135 MPH wind

MOP$2004

Duties & taxes included

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Description

📶 Elevate your signal game—never miss a beat on airwaves!

COMPACT YET MIGHTY - 5.6 ft tall footprint fits most masts without compromise—professional-grade performance in a sleek package.
POWERFUL SIGNAL BOOST - Gain up to 7.2 dB on UHF for extended repeater reach and crystal-clear comms.
PLUG PLAY INSTALLATION - Standard UHF female connector and stable VSWR <1.5:1 means quick setup and minimal signal loss.
SEAMLESS DUAL BAND MASTERY - Optimized for 2m & 70cm bands with factory pre-tuning—no hassle, just pure signal clarity.
BUILT TO BRAVE THE ELEMENTS - Fiberglass radome + stainless steel hardware engineered for extreme weather and high winds.

The Diamond X50A is a precision-engineered dual-band base antenna delivering robust 144–148 MHz and 435–450 MHz coverage with 4.5 dB and 7.2 dB gain respectively. Its rugged fiberglass radome and stainless steel hardware ensure durability against harsh weather and winds up to 135 MPH. Factory pre-tuned for hassle-free installation, it features a standard UHF female connector for broad compatibility, making it ideal for amateur radio enthusiasts and repeater systems seeking reliable, high-performance VHF/UHF communications.

Specifications

ASIN	B00AR0AFCG
AntennaDescription	Radio
Best Sellers Rank	#92 in Radio Antennas
Brand	Diamond Antenna
Color	White
Customer Reviews	4.5 4.5 out of 5 stars (219)
Impedance	30 ohm
Item Dimensions L x W x H	3"L x 3"W x 60"H
Manufacturer	Diamond Antenna
Maximum Range	5.6 feet
Mfr Part Number	X50A
Model Number	X50A
Number of Channels	1
Number of Items	1
Number of Packs	1
UPC	751738904800 701630967113
Unit Count	1 Count
Warranty Description	1 YEAR

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MOP$2004

Duties & taxes included

In stock

Sold byAmazon MacauDelivered 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 Macau.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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