T3 Innovation ( has announced the launch of the new TLA300 Tel-Scope Telecomm Test Set. Scheduled to ship in May with an MSRP of $269.95, the Tel-Scope delivers more line condition and status information than any other telephone line tester in the world.

“The Tel-Scope includes the most sophisticated data in-line discovery and protection available today,” explained Ron Vogel, T3 Innovation CEO. “Using Independent Technologies’ patented ‘Data Defender’ system, the Tel-Scope offers a complete menu for measuring data, actively monitoring and detection of high line voltages. The Data Defender feature also includes Digi-Secure features that protect digital lines from disruption by outside test equipment.

The new TLA300 Tel-Scope Telecommunications test set comes with a slate of features not found on any other ‘butt’ set in the world. The large backlit display shows information clearly, and with a glow in the dark keypad the unit can be used in low light environments. And, it is 100 percent weather and rainproof for outside use anytime.

Additional Tel-Scope features and specifications include:

  • Bed-of-nails cord set
  • Large backlit LCD
  • Glow in the dark keypad
  • On-hook voltage and current measurements
  • Off-hook current readings and polarity
  • Caller ID/Call Waiting Caller ID and error detection
  • Last number dialed
  • Last number called or received list
  • Amplified line monitoring for volume level comparable to “off hook” operations



  • Soft key menu system
  • Data Defender™ keeps digital lines safe
  • Detects and identifies DSL and T1 lines
  • Eight number stored memory
  • DTMF decode
  • Drop tested to 20 feet
  • Multiple language (English, Spanish and French) options / display set up choices

“The Tel-Scope is tough as well as talented,” added Vogel. “It is the first 21st Century telephone test set, and sets a new standard for telephone line analysis.”

See the new Tel-Scope on T3 Innovation’s web site at