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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Description

📡 Map it. Test it. Own it. The pro’s choice for flawless coax troubleshooting.

TRUSTED LEGACY - Crafted by Klein Tools, a 160+ year American heritage brand known for durability and precision in professional-grade tools.
INSTANT CLARITY - LED indicators provide immediate, easy-to-read results—know if cables PASS, are OPEN, or SHORTed at a glance.
MULTI CABLE MASTERY - Simultaneously test and map up to 4 coaxial cables with color-coded remotes for ultimate efficiency.
EFFORTLESS OPERATION - Simple push-button controls mean no steep learning curve—get accurate diagnostics fast and hassle-free.
POCKET SIZED POWERHOUSE - Compact and lightweight design fits in your pocket, ready for on-the-go professional troubleshooting.

The Klein Tools VDV512-101 Explorer 2 Coax Tester Kit is a compact, battery-powered device designed for professional-grade coaxial cable testing and mapping. It supports up to 4 cables simultaneously using color-coded remotes, with a clear LED panel that instantly indicates cable status (PASS, OPEN, SHORT) and location. Engineered for ease of use with push-button operation and backed by Klein Tools’ 160+ years of expertise, this kit is essential for managers and technicians who demand precision, efficiency, and reliability in cable diagnostics.

Specifications

ASIN	B076DP1534
Best Sellers Rank	168,393 in DIY & Tools ( See Top 100 in DIY & Tools ) 219 in Circuit Testers
Brand	KLEIN TOOLS
Colour	Yellow
Country Of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (3,828)
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
Manufacturer	Klein Tools
Manufacturer Part Number	VDV512-101
Measurement Type	Continuity Tester" or "Electrical Resistance Meter
Model Number	VDV512-101
Power Source	Battery Powered
Product Warranty	Two years from date of purchase
Specification Met	CE, RoHS
Style Name	Coax Explorer 2 with Remote Kit
UPC	092644583131 092644690730
Unit Count	1.0 count

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