does the top loading coil have the std 3/8x24 threads for mounting?

I measure the top loading coil thread mount to be an 8mm x 1.0mm metric thread (standard fine metric thread). The RF connector is an SO-239. Mounting pole is 29mm ID, 32mm OD. It appears to be completely metric dimensions.

I want to run a splitter off this connected via 30’ lmr-400 to run ota dtv & sds-100. is this possible? what splitter?

Hi Aaron, It would be better to use a low-loss antenna switch such as the Daiwa CS-201. Switch the antenna to the scanner, or to the TV. If you want to use both at once, a splitter or multicoupler is needed. I suggest contacting the people at Scanner Master for their suggestions.

What is the best cable to use for uniden scanners? (sds100) will it overload the scanner?

LMR 400 cable. No it won’t overload the scanner .

How tall of a mast is recommended?

I used a Gable Antenna Mount and used two 5 ft sections for a total of 10 ft. 5 ft would have worked but 10ft worked better for my application. 5ft would be a good choice if using a Tri-pod Roof Mount. Just my opinion. Hope this helps.

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D-130J D130J Original Diamond Vertical Discone Antenna - 10m-23cm

D-130J D130J Original Diamond Vertical Discone Antenna - 10m-23cm

Product ID: 18129349

Details

Antenna
Discone
Brand
DIAMOND
Color
Silver
Impedance
50 Ohms
Manufacturer
Diamond
Maximum Range
264 Feet

📡25-1300 MHz ultra-wideband coverage

🔧Modular design with removable coil

⚖️Lightweight 2.5 lbs, balcony-friendly

R5818

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Description

📶 Elevate your signal game with the ultimate all-band antenna!

MULTI BAND MASTERY - Optimized for 2m, 1-1/4m, 70cm, 33cm, and 23cm amateur bands—flexibility for every radio enthusiast.
COMPACT BALCONY READY - Lightweight 2.5 lbs design fits perfectly on apartment railings—urban living meets pro-grade tech.
CUSTOMIZABLE COMPACTNESS - Remove the top loading coil to slim down for focused 50-1300 MHz use—tailor your setup with ease.
RUST RESISTANT DURABILITY - Stainless steel build ensures long-lasting performance without corrosion worries.
SEAMLESS ULTRA WIDEBAND PERFORMANCE - Covers 25-1300 MHz for receive & 50-1300 MHz for transmit—one antenna to rule them all.

The Diamond D-130J is a premium ultra-wideband vertical discone antenna covering 25 to 1300 MHz receive and 50 to 1300 MHz transmit frequencies. Its lightweight, rust-resistant stainless steel design makes it ideal for compact urban installations like balcony railings. Perfectly tuned for multiple amateur radio bands and versatile enough for commercial and utility use, it offers modular customization by removing the top coil for a more compact footprint. Backed by a 1-year warranty and trusted by radio pros, it’s the go-to antenna for seamless multi-band performance.

Specifications

ASIN	B00AR09A6I
AntennaDescription	Discone Antenna
Best Sellers Rank	#1,240 in Radio Antennas
Brand	DIAMOND
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (60)
Impedance	50 Ohms
Item Weight	2.5 Pounds
Manufacturer	Diamond Antenna
Maximum Range	264 Feet
Mfr Part Number	D130J
Model Number	D130J
Number of Channels	1
Number of Items	1
UPC	701630966529 701630966536
Unit Count	1.0 Count
Warranty Description	1 Year Manufacturer Warranty

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R5818

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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