Continuity, wire map and length are three different instruments in one word · review

iMBAPrice IMBA-NF468, scan or step mode, detachable remote review

The only tester on this shelf with a step mode that checks one contact at a time, and the only one that detects a telephone ring signal and tells anode from cathode.

By Jean-Benoit Buisson

Two things on this page appear nowhere else on this shelf, and both are in the small print rather than the title.

The first is in the description: “You can quickly test cables using scan mode, or step mode to check connection one contact at a time.” Every other continuity tester here runs its sequence and shows the result. A step mode stops at each contact, which is what lets a fault be pinned to a pin rather than reported as a pattern of lights to interpret. No other listing on this shelf offers it.

The second is the second bullet, which is not about network leads at all: “Cable state testing (2-wire): Line DC detecting, anode and cathode determination, Ringing signal detecting open, short and cross circuit testing”. Direct current on the line, which polarity is which, and the ring signal — that is telephone work, and the only unit on this shelf that reaches it. Two published testers here name ISDN wiring; neither detects a ring.

The ordinary half of the page is ordinary. The first bullet gives automatic testing for continuity, open circuits, shorted pairs and crossed pairs with a visible LED display. The third and fourth give RJ11 telephone and RJ45 network leads, and Cat 5, Cat 5e, Cat 6 and Cat 7 with RJ11 6P and RJ45 8P connectors. The description adds a detachable remote unit for testing runs already installed in a building, which is the part that makes a tester useful beyond the bench.

The fifth bullet is clear and unwelcome in equal measure: a DC 9 V cell is required and not included. One American tester on this shelf supplies the cell; this one states plainly that it does not, which is better than the several pages here that never mention a cell at all.

What is absent is the length measurement — no distance, no screen, no meters — and any tone and probe. Split pairs are not addressed, as they are not on any of the fifteen listings on this shelf.

One oddity in the record: the product dimensions are given as 10 by 10 by 3 mm (0.12 in). A centimeter cube with a three-millimeter side holds no tester, no RJ45 socket and no 9 V cell. The figure is a record defect rather than a product.

At $9.99 this is nine cents dearer than the cheapest tester here, the NOYAFA NF466, and it buys a step mode, a detachable remote and the telephone functions.

Prices quoted in this text were read on October 26, 2026. The live price is at the top of the page.

Where it holds up, and where it stops

Strengths

A step mode that checks one contact at a time, which no other listing on this shelf offers
Telephone line work no other tester here reaches: direct current detection, anode and cathode determination, and ring signal detection
A detachable remote, so a run already in a wall can be tested from both ends
States outright that the 9 V cell is not included, where several pages on this shelf never mention a cell at all
Four connector categories and two plug formats named, for ten dollars

Compromises

The 9 V cell is not supplied, so the tester may arrive unable to do anything
No length reporting, so the distance to a fault is out of reach
No tone and probe, so the lead cannot be identified inside a bundle
The product record gives the dimensions as 10 by 10 by 3 mm (0.12 in), which no tester fits
The step mode and the remote are both in the description rather than in a bullet, so they are easy to miss

Specifications

Tester type	A continuity tester with a visible LED display, in two pieces — the first bullet names automatic testing for continuity, open circuits, shorted and crossed pairs, and the description adds a detachable remote unit. No screen and no distance measurement appears anywhere
Connector types accepted	RJ45 and RJ11 — stated in the title and in the third bullet, with Cat 5, Cat 5e, Cat 6 and Cat 7 named in the fourth alongside RJ11 6P and RJ45 8P connectors
Wire map detection	Yes — the first bullet names continuity, open circuits, shorted pairs and crossed pairs, shown on a visible LED display. The description adds a step mode checking one contact at a time, which is the finest form of this test on the shelf
Split pair detection	Not published on the listing — the faults named are continuity, open, shorted and crossed pairs, and a pair that is continuous but wrongly twisted is none of them. No listing on this shelf publishes this row
Length reporting	Not published on the listing — no distance, no screen and no measurement in meters appears in the title, in any of the five bullets or in the description
Tone and probe function	Not published on the listing — no tone generator and no probe is named, so the unit tests a lead it is attached to and cannot find one in a bundle
Remote units supplied	One, detachable — stated in the description as allowing wires already installed to be tested, which is what takes the instrument off the bench and into a building
PoE detection	Not published on the listing — power over the network cable is not named in either direction in the title, the five bullets or the description. The second bullet does detect direct current on a two-wire telephone line, which is a different measurement on a different kind of circuit
Power source	One DC 9 V cell, required and not included — stated in the fifth bullet and repeated in the description, which says to put one in and start testing
Amazon reference	B01M63EMBQ
EAN	0617689111530
On Amazon.com	Amazon.com had an offer at $10 on October 26, 2026.

The questions that come up before an order

What does the step mode do?

It checks one contact at a time instead of running the whole sequence, so a fault can be pinned to a pin rather than read off a pattern of lights. The description names both scan mode and step mode, and no other listing on this shelf offers the second.

Can it test telephone lines?

More than test them. The second bullet names direct current detection on a two-wire line, anode and cathode determination and ring signal detection, which is telephone work no other tester on this shelf does.

Is a battery supplied with it?

No. The fifth bullet states that a DC 9 V cell is required and not included.

Against the rest of the network and storage gear

This network and storage gear share the category and the price bracket. Only what each one states is shown; an incomplete column would mislead.

Model	Price	Tester type	Connector types accepted	Wire map detection	Split pair detection
iMBAPrice IMBA-NF468, scan or step mode, detachable remote	$10	A continuity tester with a visible LED display, in two pieces — the first bullet names automatic testing for continuity, open circuits, shorted and crossed pairs, and the description adds a detachable remote unit. No screen and no distance measurement appears anywhere	RJ45 and RJ11 — stated in the title and in the third bullet, with Cat 5, Cat 5e, Cat 6 and Cat 7 named in the fourth alongside RJ11 6P and RJ45 8P connectors	Yes — the first bullet names continuity, open circuits, shorted pairs and crossed pairs, shown on a visible LED display. The description adds a step mode checking one contact at a time, which is the finest form of this test on the shelf	Not published on the listing — the faults named are continuity, open, shorted and crossed pairs, and a pair that is continuous but wrongly twisted is none of them. No listing on this shelf publishes this row
NOYAFA NF-466S, automatic continuity tester	$10	A continuity tester with indicator lights — the second bullet describes automatic full-range testing covering continuity, open circuits, short circuits and miswiring, and the fourth gives clear indicator lights for reading the result. No screen and no distance measurement appears anywhere on the page	RJ45, RJ11 and RJ12 — stated in the title and in the first bullet, with Cat 5, Cat 6 and Cat 7 UTP network leads and telephone cable named	Yes — the second bullet names continuity, open circuits, short circuits and miswiring as what the automatic sequence checks, which is the order the conductors arrive in. No per-conductor indicator count is published	Not published on the listing — the four faults named are continuity, open circuit, short circuit and miswiring, and a pair that is continuous but wrongly twisted is none of those. No listing on this shelf publishes this row
KLEIN TOOLS VDV526-100, five named result states, remote stored in the body	$21	A continuity tester in two pieces with single-button operation — the first bullet gives one-button testing of terminated leads and the third names five LED result states. No screen and no distance measurement appears anywhere on the page	RJ11, RJ12 and RJ45 — stated in the first bullet for terminated voice and data leads, with Cat 3, Cat 5e and Cat 6/6A named in the second. Cat 3 is the telephone-era category and puts older house wiring in reach	Yes, with the possible answers published as a list — the third bullet names Pass, Miswire, Open-Fault, Short-Fault and Shield as the five states the LEDs indicate, which is the complete set of verdicts rather than a description of what is detected	Not published on the listing — the five result states are pass, miswire, open, short and shield, and a pair that is continuous but wrongly twisted is none of them. No listing on this shelf publishes this row
NOYAFA NF-468S, 2,000 m (6562 ft) continuity reach, PoE claimed against its own warning	$30	A continuity tester in two pieces with an LED result display and a PoE check — the second and third bullets name a QC continuity test and a host and remote arrangement, and the fourth adds the PoE function. No screen and no distance measurement appears anywhere	RJ45, RJ11, RJ12 and Cat 3 telephone wiring — stated in the first bullet with Cat 5, Cat 5e, Cat 6, Cat 6A and "CAT67" named for RJ45, and 6P2C, 6P4C and 6P6C telephone formats named individually, shielded and unshielded. "CAT67" is not a category	Yes — the second bullet names open circuit, crossover, straight through and short circuit as the QC test results, and states that the test detects the crimping of the modular plug, which is the commonest fault in a hand-made lead	Not published on the listing — the four results named are open, crossover, straight through and short, and a pair that is continuous but wrongly twisted is none of them. No listing on this shelf publishes this row

What separates the models, in network and storage gear

If price decides: this model, at $10.

The buyer this one serves, among network and storage gear

A ten-dollar instrument for a house with both network and telephone wiring, where pinning a fault to one contact is worth the slower mode.

What this one costs among network and storage gear

Details checked on October 26, 2026.

What buyers actually choose

Amazon reports what buyers took in the month before this page was last checked: at least 300.

The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.

Sources

Specifications: the manufacturer sheet for network and storage gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

What we look at on this network and storage gear