Wandel & Goltermann AT611

| Attribute | Value |
|---|---|
| Device Type | PDH Analyzer / Transmission Test Set |
| Measurement Standards | ITU-T G.821, G.826, M.2100, M.2110, M.2120 |
| Interface Rates | 2 Mbit/s, 8 Mbit/s, 34 Mbit/s, 140 Mbit/s |
| Signal Generation | Pseudo-Random Bit Sequence (PRBS) patterns including 2^9-1, 2^11-1, 2^15-1, 2^20-1, 2^23-1 |
| Error Analysis | Bit Error Rate (BER) measurement, error insertion, errored seconds, severely errored seconds |
| Impedance | 75 Ohm unbalanced / 120 Ohm balanced |
| Display | Backlit LCD display with graphical user interface for results and configuration |
| Power Supply | AC mains 100–240 V, 50/60 Hz; optional battery pack for portable field operation |
| Operating Temperature | 0°C to +50°C (32°F to 122°F) |
| Dimensions / Weight | Portable handheld/benchtop form factor; approximately 4.5 kg including battery |
| Model | AT611 |
|---|
The Wandel & Goltermann AT611 is an advanced heritage attunement module engineered for high-performance signal attenuation, offering up to ~60 dB attenuation with precise stepped control. It is designed for balanced and unbalanced line configurations, and maintains reliable performance regardless of temperature fluctuations. The rugged mechanical build ensures dependable use in both laboratory and field environments.
This module is widely used in legacy network setups to simulate line impairments and assess transceiver sensitivity. Its precise attenuation capability is ideal for calibration and advanced signal management.
Testwall can supply the used Wandel & Goltermann AT611, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Wandel & Goltermann AT611.





