Keysight (Agilent)
Keysight (Agilent) N4691A
ECAL Module, 3.5mm, 26.5 GHz
300 kHz to 26.5 GHz Frequency Range
2.4 mm (male/female) Connector Type
2-Port Number of Ports
Electronic Calibration Module (ECal) Calibration Standard Type
Less than 3 dB typical Insertion Loss

| Attribute | Value |
|---|---|
| Frequency Range | 300 kHz to 26.5 GHz |
| Connector Type | 2.4 mm (male/female) |
| Number of Ports | 2-Port |
| Calibration Standard Type | Electronic Calibration Module (ECal) |
| Insertion Loss | Less than 3 dB typical |
| Impedance | 50 Ohm |
| Compatible Instruments | Keysight PNA, PNA-L, PNA-X, ENA Series Vector Network Analyzers |
| Interface | USB |
| Operating Temperature | 0°C to 55°C |
| Dynamic Accuracy | Provides full 2-port calibration with a single connection sequence |
Keysight (Agilent) N4691A Options:
- N4691A - M0F - Module with one male connector and one female connector (3.5 mm, 300 kHz to 26.5 GHz)
- N4691A - 00M - Module with two male connectors (3.5 mm, 300 kHz to 26.5 GHz)
- N4691A - 00F - Module with two female connectors (3.5 mm, 300 kHz to 26.5 GHz)
- N4691A - 00A - Adds one male-to-male and one female-to-female adapter
- N4691A - UK6 - Adds commercial calibration certificate with measured data
- N4691A - 150 - Adds storage box for the ECal module and accessories
The Keysight (Agilent) N4691A ECal Module offers precise and fast electronic calibration for vector network analyzers via USB or 85097B interface.
Efficient for two-port calibration, it minimizes connection errors, reduces wear, and ensures traceable accuracy with solid-state switching.
Testwall can supply the used Keysight (Agilent) N4691A, 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) N4691A.





