Keysight (Agilent)
Keysight (Agilent) N3900A
Modular Network Tester.
Optical Attenuator Product Family
1260 nm to 1640 nm Wavelength Range
0 to 60 dB Attenuation Range
0.001 dB Attenuation Resolution
≤ 3.5 dB Insertion Loss

| Attribute | Value |
|---|---|
| Product Family | Optical Attenuator |
| Wavelength Range | 1260 nm to 1640 nm |
| Attenuation Range | 0 to 60 dB |
| Attenuation Resolution | 0.001 dB |
| Insertion Loss | ≤ 3.5 dB |
| Power Monitoring Range | -80 dBm to +10 dBm |
| Connector Type | FC/APC (standard), interchangeable adapter |
| Interface | GPIB, USB, LAN (LXI compliant) |
| Operating Temperature | 0°C to 55°C |
| Form Factor | Mainframe module compatible with N3900 series platform |
Keysight Technologies N3900A Options:
- N3900A - N3910AM - SM OTDR Module 1310/1550 nm, 40 dB
- N3900A - N3910AL - SM OTDR Module 1310/1550 nm, 45 dB
- N3900A - N3911AL - SM OTDR Module 1550/1625 nm, 43 dB
- N3900A - N3914AL - SM OTDR Module 1310/1550/1625 nm, 43 dB
- N3900A - N3916AL - Chromatic Dispersion Analyzer and 4-Wavelength OTDR Module, 1310/1480/1550/1625 nm, 40 dB
- N3900A - N3909A - Polarization Mode Dispersion Analyzer Module
- N3900A - N3935A - Optical Spectrum Analyzer Engine Module
- N3900A - N3940AA - 1x12 Optical Switch Module
- N3900A - N3988A - Video Microscope Camera
| Model | N3900A |
|---|
The Keysight (Agilent) N3900A is a modular network tester tailored for optical network installation and maintenance. Featuring a rugged design and a 10.4-inch touchscreen, it supports various plug-in modules, including OTDR, for comprehensive testing in the field.
Optimized for fiber network diagnostics, it delivers accurate performance in troubleshooting, commissioning, and validating network integrity across optical infrastructures.
Testwall can supply the used Keysight (Agilent) N3900A, 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 Keysight (Agilent) N3900A.





