The same concept is used for the ANT-20 "extended" as for the ANT-20, so operation and measurement methods are identical and results are reproducible.

The ANT-20E has the same excellent features as the ANT-20, such as:

• From 64 kbit/s up to 2.5 Gbit/s
• All mapping functions can be set
• Complete resolution of structures even across different
  hierarchies (ATM, SONET, SDH, PDH)
• Test automation using Test Sequencer and comprehensive
• test case library
• For National Instruments LabWindows/CVI Test Executive
• Reduces cost of testing
• Superb operating concept using Microsoft WindowsTM
• Full color touchscreen
• Saves time, no training required
• Built-in PC provides extended functions
• Comprehensive test records
• File export
• Windows-style help function

The ANT-20E includes 3 additional slots, considerably extending the range of facilities offered by the ANT-20. This makes it ideal for future applications involving a combination of measurement