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Viavi CT-4 Digital Leakage Channel Tagger Trilithic TRI-LKG-CT4 120 - 240 VAC PS

Model: CT-4

Condition: Used

In stock: 1

SKU: 5890 7A01

Sale price£675.75
  • DSAM DOCSIS & CATV Testers
  • Network Testers
Product Overview

Key Features

Generates proprietary dual CW Carriers for use with the Seeker D and Seeker D Lite Digital Leakage Detectors

Operates in both the aeronautical (135– 139 MHz) and LTE (610.5–615 MHz) frequency bands

Adjustable output from 10 to 30 dBmV

Carriers injected at ~30 dB below adjacent digital carriers, eliminating the risk of affecting digital services

8 available tag settings for digital leakage 

The CT-4™ is a 1U rack-mounted unit located in the headend that provides an uncompromising tagging solution for active analog or digital systems. When several CATV systems operate in the same area, it is often difficult to determine which system is the source of a detected leak. The CT-4 is designed to deal with the problem of leakage identification in up to 8 overbuilt situations. Used as a system with VIAVI leakage receivers, the CT-4 eliminates all “false alarm” triggers and increase leak detection sensitivity by four times over un-tagged systems.The CT-4 works in conjunction with Seeker D™ and Seeker D Lite Digital Leakage Detectors to accurately detect and measure signal leakage within the LTE and aeronautical frequency bands at the same time. The Seeker D detects the proprietary signal from the CT-4 with an unsurpassed sensitivity of 2 to 2000 μV/m (20 to 2000 μV/m for the Seeker D Lite) with measurements that are scaled to an analog or QAM carrier of your choice. Consequently, readings taken from the existing Seeker meter and the new Seeker D and Seeker D Lite meters produce similar results in the aeronautical band, if the low band correlation of the Seeker D and Seeker D Lite is set to analog. Whether testing for leaks in both digital and analog systems, or monitoring aeronautical or LTE bands, the CT-4 used in conjunction with the Seeker D and Seeker D Lite provides all of the capability to find and fix leaks quickly, accurately, and effectively.

Shipping & Returns

Shipping & Returns Policy

Shipping Policy

  • Processing Time: Orders are typically processed and dispatched within 1 business day.
  • Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
  • Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
  • Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
  • CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
  • Shipping Destinations: We ship worldwide.
  • Tracking: Once your order is shipped, we will provide you with a tracking number via email.
  • Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

  • Return Period: In the event of an item being recieved which is 'not as specified', you can return your purchase within 14 days of delivery.
  • Condition of Items: Items must be returned unused and in their original packaging.
  • Return Method: All returns must be notified in writing to, the email should accompany the order number, date and reason for return and must be within 14 days of delivery.
  • Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than 'not as specified'.
  • Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
  • Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
  • Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is 'not as specified', in this case we will arrange for the return by way of a prepaid shipping label.


Products listed in this category consist of devices which are either untested or have been identified as faulty and therefore being sold for parts or repairs. You may use these as donor units or even attempt a repair. Due to the sheer volume of stock, some items may be left untested. The description will usually state whether the item is simply untested or if it is faulty.

All products sold under clearance are strictly sold ‘as seen’, returns are not accepted on such items.