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Fluke Networks LinkIQ Duo Cable, Network, and Wireless Tester

SKU: N100177
Model: LIQ-DUO
Product Condition: New
$3,895.99

Dual-function cable and network tester: complete copper cable verification, network diagnostics up to 10G Ethernet, Wi-Fi analysis up to Wi-Fi 6E, and PoE load testing and switch port identification.

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Estimated delivery: 3 days
One year warranty
Free return within 30 days of purchase.
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Fluke Network Testers Cable Verifiers & Qualifiers Copper Testers Network, Cable & Fiber Testers
Product Description

The Fluke LIQ-DUO LinkIQ Cable+Network Tester combines two critical functions in one handheld tool: cable performance testing and network connectivity verification. It measures cable length, wire map, and distance to fault while identifying switch name, port, speed, and PoE class for fast validation of network infrastructure. Ideal for network installers, service teams, and IT technicians, the LIQ-DUO simplifies troubleshooting and documentation with automatic pass/fail results and intuitive operation.

Dual-Function Cable & Network Testing

  • Performs cable verification: wire map, length, and distance-to-fault up to 1,000 ft (305 m).

  • Offers Wi-Fi analysis up to Wi-Fi 6E, including networks, channels, and access points where 6 GHz is allowed.

  • Identifies network switch name, port, speed, and duplex up to 10G Ethernet.

  • Measures PoE voltage, class, and load per IEEE 802.3 standards.

  • Displays clear pass/fail feedback for fast fault isolation.

Integrated PoE & Link Diagnostics

  • Confirms PoE availability and validates switch port power under load.

  • Detects link capability, VLAN presence, and connectivity status.

  • Ideal for verifying switch configurations during installation or maintenance.

Specifications
Specifications
MPN 5579950
Product Condition New
Shipping Length (in.) 17
Shipping Width (In.) 7.65
Shipping Height (In.) 5.7
Item Returns This item can be returned

Active Network Test Specifications

Diagnostic Protocols Link Layer Discovery Protocol (LLDP),
Cisco Discovery Protocol (CDP),
Fast Link Pulses (FLP),
Internet Control Messaging Protocol (ICMP),
Dynamic Host Configuration Protocol (DHCP)
IP Address Setup LinkIQ address, DNS Server, Gateway for IPv4 or v6 either manually or via DHCP
IP Ping Test Results Four response time results for target, DNS Server(s), Gateway, plus average and number lost
Nearest Device Diagnostics
If available through diagnostic protocols		 Switch Name / IP + MAC Address, 
Port Number, 
VLAN Name, 
Advertised Data Rates, 
Advertised Duplex
Power Over Ethernet Compatibility Ethernet Alliance Certified to IEEE 802.3af/at/bt,
Hardware negotiation with signature resistance,
Software negotiation with LLDP/CDP
Power Over Ethernet Diagnostics Advertised Power Class (0-8), 
Advertised Available Power, 
Powered Pairs, 
Diagnostics for both Single and Dual signatures
Power Over Ethernet Measurements Loaded Voltage (V),
Loaded Power (W)
Port Blink Blink the light of the connected port

Cable Test Specifications

Test Port Shielded 8-pin modular jack accepts 8-pin modular (RJ45) plugs
Commissioning Autotests 10GBASE-T, 5GBASE-T, 2.5GBASE-T, 1000BASE-T, 100BASE-TX, 10BASE-T, Wire map Only. 
Test Speed: 6 seconds for lengths < 70 m
Cable Types Balanced twisted-pair cabling; 
Unshielded twisted-pair; 
Screened twisted-pair; 
2-pair and/or 4-pair
Wire Map-Only Tests Document wire map, 
Length of each pair, 
Diagnose split pairs, 
User selectable T568A or T568B, 
User-selectable crossover settings (Straight through, Half-crossover, Full-crossover). 
Test speed: 1 second for lengths < 120 m
Length (Maximum) 305 m (1000 ft)
Nominal Velocity of Propagation (NVP) User selectable
Tone Generator Generates digital tones compatible with the IntelliTone probe and analog tones compatible with general analog probes.
Remote ID Locators Use remote ID terminations to identify up to 7 unique ports or office outlets

Wi-Fi Test Specifications

Supported Wireless Standards 802.11b, 802.11a, 802.11g, 802.11n (Wi-Fi 4), 802.11ac (Wi-Fi 5), and 802.11ax (Wi-Fi 6/6E).
Frequencies Supported 2.4 GHz band: 2.402 to 2.482 GHz (channel 1 to channel 13)
5 GHz band: 5.170 to 5.330 GHz, 5.490 to 5.730 GHz, 5.735 to 5.835 GHz (channel 36 to channel 165)
6 GHz band: 5.945 to 7.125 GHz (channel 1 to channel 233). 
Transmits only on the frequencies allowed in the country where it is sold.
Network Tests Number and name (BSSID) of available access points, signal strength, security type, IEEE 802.11 standard supported
Access Point Tests Networks supported / country code, BSSID, signal strength, band/channel/bandwidth, IEEE 802.11 standards supported, security types, TX/RX rates
Channel Tests Utilization, Number / signal strength of access points, overlap
What's in the box?
  • 1 x LinkIQ Duo Tester
  • 1 x Soft Carry Case
  • 1 x LinkIQ Reference Guide
  • 1 x Cat6A Patch Cable
  • 1 x Power Supply Adapter Set
  • 1 x Power Supply
  • 1 x Remote ID #1
  • 1 x Remote ID Holder
  • 1 x Hang Strap
  • 1 x RJ45 Coupler
  • 1 x USB C Cable
  • 1 x LinkIQ Safety Guide
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