# Nstallmates NSM1240 4-Way Coax Cable Tester w/ Case — resale value

Source: JunkPal price guide — https://junkpal.ai/products/nstallmates-nsm1240-4-way-coax-cable-tester-w-case-b0077hkufe

**Nstallmates NSM1240 4-Way Coax Cable Tester w/ Case** sells for about **$34.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/nstallmates-nsm1240-4-way-coax-cable-tester-w-case-b0077hkufe

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $34.99 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DNstallmates%2520NSM1240%25204-Way%2520Coax%2520Cable%2520Tester%2520w%252F%2520Case%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DNstallmates%2520NSM1240%25204-Way%2520Coax%2520Cable%2520Tester%2520w%252F%2520Case%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | InstallMates™ |
| Category | Home Audio & Theater |

## About

The InstallMates NSM1240 is a 4-Way Coax Cable Tester, complete with its carrying case. This tool is essential for installers, technicians, and DIY enthusiasts working with home audio and theater systems.

Its resale value is determined by the overall condition of the tester and case, as well as whether all original components are present.

## FAQ

**What is the InstallMates NSM1240?**

It is a 4-Way Coax Cable Tester manufactured by InstallMates for use in home audio and theater setups.

**What factors affect the resale value of this tester?**

The condition of the unit and the completeness of the package, including the case, are key factors in its resale value.

**Who typically uses a 4-Way Coax Cable Tester?**

Installers, technicians, and homeowners involved in setting up or maintaining home audio and theater systems use this tool.

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Full price guide: https://junkpal.ai/products/nstallmates-nsm1240-4-way-coax-cable-tester-w-case-b0077hkufe
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"