The Keysight (Agilent HP) N9914A FieldFox is a rugged, portable handheld microwave combination analyzer configured as a cable and antenna analyzer (CAT), vector network analyzer (VNA), and spectrum analyzer. Engineered for harsh field environments, it delivers benchtop-level precision for installing and maintaining satellite, military, radar, and microwave backhaul systems. With a frequency range up to 6.5 GHz, the N9914A features MIL-PRF-28800F Class 2 compliance, a weather-sealed chassis, and a completely fanless design without vents.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | LAN (RJ-45), 2x USB 2.0 Host (Type-A), 1x USB 2.0 Device (Mini-B) |
| Display | 6.5-inch VGA (640 x 480) transflective color LCD with anti-glare and LED backlight |
| Data Storage | Internal storage, micro SD/SDHC card slot, USB flash drive support |
| System Impedance | 50 Ω (nominal) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | External DC input: 15 to 19 VDC (40 W max); AC/DC adapter: 100 to 240 VAC, 50 to 60 Hz |
| Operating Temperature | -10 to 55 |
| Dimensions (W×H×D) | 292 x 188 x 72 |
| Weight | 3.0 kg |
Cable and Antenna Analyzer (CAT) Specifications
| Parameter | Value |
|---|---|
| CAT Frequency Range | 30 kHz to 6.5 GHz |
| Supported Measurements | Distance-to-fault (DTF), return loss, cable loss |
Vector Network Analyzer (VNA) Specifications
| Parameter | Value |
|---|---|
| VNA Frequency Range | 30 kHz to 6.5 GHz |
| Supported S-Parameters | S11, S21, S22, S12 (magnitude and phase) |
Spectrum Analyzer (SA) Specifications
| Parameter | Value |
|---|---|
| SA Frequency Range | 100 kHz to 6.5 GHz (usable to 5 kHz) |
| Frequency Span Range | 0 Hz (zero span), 10 Hz to maximum frequency range |
| Phase Noise (10 kHz offset) | -111 dBc/Hz |
| Resolution Bandwidth (RBW) Range | 10 Hz to 5 MHz (-3 dB bandwidth) |
| Amplitude Accuracy | ±0.5 dB (at power-up, no warm-up required) |
| Maximum Safe Input Level | +27 dBm (0.5 W) Average CW / ±50 VDC |
| Amplitude Scale Units | dBm, dBmV, dBµV, W, V, A, dBmA, dBµA |
| Trace Detectors | Normal, positive peak, negative peak, sample, average (RMS) |
| Trace States | Clear/write, max hold, min hold, average, view, blank |
| Number of Traces | 4 |
| Number of Averages | 1 to 10,000 |
Power and Battery Specifications
| Parameter | Value |
|---|---|
| Battery Operating Time | 3.5 hours |
Environmental and Ruggedness
| Parameter | Value |
|---|---|
| Vibration / Shock Standard | MIL-PRF-28800F Class 2 compliant |
| Enclosure Features | Completely sealed, compliant with tough field environment standards |
Physical Specifications
| Parameter | Value |
|---|---|
| Form Factor | Vertical (portrait) orientation with glove-compatible buttons |
System Specifications
| Parameter | Value |
|---|---|
| Optional Built-in Features | Tracking generator, vector voltmeter, power meter, interference analyzer, built-in GPS |
Regulatory and Compliance
| Parameter | Value |
|---|---|
| Standard Warranty | 3-year warranty |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Test Port Connectors | Type-N (female), 50 Ω |
| Overvoltage Protection (RF Ports) | ±50 VDC |
Power
| Parameter | Value |
|---|---|
| Battery Type | Lithium-ion, 10.8 V, 4.6 Ah |
| Power Consumption | 15 W (typical) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -51 °C to 71 °C |
| Battery Charging Temperature | 0 °C to 45 °C |
| Operating Altitude | Up to 9,144 m (30,000 ft) |
Compliance
| Parameter | Value |
|---|---|
| EMC Compliance | IEC/EN 61326-1, CISPR 11 / EN 55011 |
| Safety Compliance | IEC/EN 61010-1 |
Cable & Antenna Analyzer / VNA
| Parameter | Value |
|---|---|
| Number of Data Points (CAT / VNA) | 101, 201, 401, 601, 801, 1001, 1601, 4001, 10001 |
Spectrum Analyzer
| Parameter | Value |
|---|---|
| Video Bandwidth (VBW) | 1 Hz to 5 MHz (1, 1.5, 2, 3, 5, 7.5 sequence) |
| Preamplifier Range (Option 235) | 100 kHz to 6.5 GHz (Full band) |
| Audio Demodulation | AM, FM Narrowband, FM Wideband (listen via built-in speaker or headphones) |
Vector Network Analyzer
| Parameter | Value |
|---|---|
| IF Bandwidth Settings (VNA) | 10 Hz to 100 kHz (1, 3, 10 sequence) |
Options & Accessories
| Parameter | Value |
|---|---|
| Variable DC Bias Voltage (Option 330) | +1 to +32 V |
| Variable DC Bias Maximum Current (Option 330) | 650 mA |
| Variable DC Bias Maximum Power (Option 330) | 8 W |
| Built-in GPS (Option 307) | Provides latitude, longitude, elevation, and time data |
Real-Time Spectrum Analyzer (RTSA)
| Parameter | Value |
|---|---|
| Real-Time Bandwidth (Option 350) | Up to 10 MHz |
| Minimum Signal Duration for 100% POI (Option 350) | 12.2 µs |
Technology
Handheld Microwave Combination Analyzer
Applications
Satellite communications, microwave backhaul, military communications, radar systems, and general field-test environments