The Keysight N9917B FieldFox is a high-performance handheld microwave analyzer operating up to 18 GHz. Designed for field testing, the B-Series FieldFox offers a capacitive touchscreen, rugged IP53-rated chassis, and integrates multiple instruments including a Cable and Antenna Analyzer (CAT), Vector Network Analyzer (VNA), Spectrum Analyzer (SA), and an independent RF signal source. It is engineered to withstand harsh environments while delivering laboratory-grade measurement accuracy.
Specifications
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 240 VAC, 50 to 60 Hz via external AC/DC adapter; 15 VDC, 4 A input |
| Dimensions (W×H×D) | 292 mm x 188 mm x 72 mm |
| Weight | 3.34 kg |
General Frequency & System Specifications
| Parameter | Value |
|---|---|
| VNA/CAT Frequency Range | 300 kHz to 18 GHz |
| SA Frequency Range | 9 kHz to 18 GHz (tunable to 5 kHz) |
| Frequency Resolution | 1 Hz |
| VNA Sweep Points | 101 to 10001 |
Vector Network Analyzer (VNA) Mode
| Parameter | Value |
|---|---|
| VNA Parameters | S11, S21, S22, S12 (dependent on Option 211) |
Spectrum Analyzer (SA) Mode
| Parameter | Value |
|---|---|
| Phase Noise (at 1 GHz, 10 kHz offset) | -111 dBc/Hz (typical) |
Power Meter & Receiver Capabilities
| Parameter | Value |
|---|---|
| USB Power Sensor Support | Keysight U2000 Series, U8480 Series, and U2040 Series USB Power Sensors |
Calibration & Measurement Aids
| Parameter | Value |
|---|---|
| Electronic Calibration (ECal) Support | Yes |
Hardware Interfaces & Connectivity
| Parameter | Value |
|---|---|
| RF Port 1 Connector | Type-N female, 50 ohm |
| RF Port 2 Connector | Type-N female, 50 ohm |
Data Storage, UI & Remote Control
| Parameter | Value |
|---|---|
| Internal Storage | 4 GB (nominal) |
| Command Languages | SCPI |
Environmental & Ruggedness Standards
| Parameter | Value |
|---|---|
| Storage Temperature Range | -51 to +71 °C (without battery) |
| IP Rating | IP53 |
| Shock and Vibration Compliance | Meets MIL-PRF-28800F Class 2 |
Power, Battery & Physical Characteristics
| Parameter | Value |
|---|---|
| Battery Operating Time | Up to 4 hours (typical) |
Analysis Bandwidth Options
| Parameter | Value |
|---|---|
| Option B10 Analysis Bandwidth | 100 MHz |
| Option B04 Analysis Bandwidth | 40 MHz |
Maximum Ratings
| Parameter | Value |
|---|---|
| Maximum Average RF Input Power | +27 dBm (0.5 W) |
| Maximum DC Input Voltage | ±50 VDC |
GPS Receiver (Option 307)
| Parameter | Value |
|---|---|
| GPS Antenna Connector | SMA female |
Ports & Connectivity
| Parameter | Value |
|---|---|
| LAN Interface | 1000BASE-T (Gigabit Ethernet) RJ-45 |
| USB Host Ports | 2x USB 2.0 Type-A |
| External Reference / Trigger Input | SMA female |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 4,600 m (15,000 ft) on battery; Up to 3,000 m (9,840 ft) on AC adapter |
Technology
Handheld Microwave Analyzer
Applications
Aerospace and defense, satellite communications, wireless network deployment, antenna testing, and general-purpose microwave field measurements.