Will this tell me if an aerial socket is working?

It depends on what you mean by working. When you have a bunch of aerial sockets with wires running back to a single location, you can use this tool to identify which wire goes to which location. This assumes that all wires and all sockets have no faults. If you have a socket with bad or poor reception then this tool won't help you identify what's causing the poor reception. If you have a socket with no reception at all and you can tell without doubt that you are connecting the tool to the other end of the wire running to that socket then you can identify whether there is a break in the wire or a short circuit along the length of the wire.

How many remotes actually come with it. Descriptions points to 2 & picture shows 4

It comes with 4 different coloured remotes. That light up the corresponding colours on the handheld unit.

Can this be used if you don't have access to the other end of the Coax? e.g. if you want to test if your cable pull is good before ordering broadband?

No, this isn’t a signal tester. This is used to identify the cable and requires access to both ends of the cable.

Can the coax cable be traced if the terminated end is still connected to say an amplifier. Need something where i dont have to remove all cables

Unfortunately not, this goes directly on the terminated end. I’m not sure you’ll find anything out there that can trace cables without being connected to the internal cores.

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Klein Tools VDV512-101 Explorer 2 Coax Tester Kit, Includes Cable Tester/Wire Tracer/Coax Mapper with Remotes to Test up to 4 Locations

Klein Tools VDV512-101 Explorer 2 Coax Tester Kit, Includes Cable Tester/Wire Tracer/Coax Mapper with Remotes to Test up to 4 Locations

Product ID: 55112931

Details

Brand
KLEIN TOOLS
Colour
Yellow
Item weight
4.8 Ounces
Power source
Battery
Style
Coax Explorer

💡Clear LED indicators for PASS/OPEN/SHORT

📡Tests up to 4 coax cables simultaneously

🔋Battery-powered with replaceable AAA cells

NT$3843

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Never lose track of your cables again — test smarter, not harder!

INSTANT CLARITY - LED panel delivers immediate, easy-to-read cable status—no guesswork, just results.
POCKET SIZED POWER - Compact, lightweight design fits in your pocket for on-the-go professional troubleshooting.
TRUSTED DURABILITY - Crafted by Klein Tools with 160+ years of precision and reliability for pros who demand the best.
MULTI CABLE MASTERY - Map and test up to 4 coaxial cables at once with color-coded remotes for ultimate efficiency.
EFFORTLESS OPERATION - Simple push-button controls make cable testing fast and hassle-free, even for complex setups.

The Klein Tools VDV512-101 Explorer 2 Coax Tester Kit is a professional-grade, compact cable tester designed to map and verify up to four coaxial cables simultaneously. Featuring color-coded remotes and a clear LED panel, it provides quick PASS, OPEN, or SHORT diagnostics with simple push-button operation. Powered by replaceable AAA batteries and backed by Klein’s 160+ years of tool-making expertise, this kit is an essential companion for efficient, reliable cable troubleshooting.

Specifications

ASIN	B076DP1534
Best Sellers Rank	10,005 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Pipe Locators 9 in Circuit Testers
Brand	KLEIN TOOLS
Colour	Yellow
Compatible Devices	Devices with coaxial connection (e.g. Modem, Router, Cable TV Decoder)
Country Of Origin	China
Customer Reviews	4.6 out of 5 stars 3,846 Reviews
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	00092644583131, 00092644690730
Included Components	Coax Explorer 2 with Remote Kit
Item Dimensions	14.6 x 6 x 2.5 centimetres
Item Length	5.75 Inches
Item Type Name	Coax Tester Tracer Mapper with Remote Kit, Test up To 4 Locations, Explorer 2 Klein Tools VDV512-101
Item Weight	4.8 Ounces
Item Width	2.31 Inches
Item dimensions L x W x H	14.6 x 6 x 2.5 centimetres
Item weight	4.8 Ounces
Manufacturer	Klein Tools
Manufacturer Part Number	VDV512-101
Measurement Type	Continuity Tester" or "Electrical Resistance Meter
Model Number	VDV512-101
Power Source	Battery Powered
Power source	Battery Powered
Product Warranty	Two years from date of purchase
Specification Met	CE, RoHS
Style	Coax Explorer 2 with Remote Kit
Style Name	Coax Explorer 2 with Remote Kit
UPC	092644583131 092644690730
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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