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The RSA306B is a portable spectrum analyzer meant for field or lab use with a frequency range of 9 kHz to 6.2 GHz. The user interface and display resides on a user-provided PC running SignalVu-PC software or a user-developed application. The host PC provides all power, control, and data signals over the USB 3.0 cable included with the instrument. An available SW API is provided to allow you to create your own custom signal processing application. A self guided demo board and guide can be found here RSA-DKIT.

Signal processing while running SignalVu-PC software provides real-time processing of for general signal analysis, analog modulation analysis, and RF measurements. This software can be programmed through the program’s interface or through the use of the included application programming interface (API). Post processing analysis of large sets of recorded data can be performed across multiple sets using DataVu-PC software.

Front panel inputs/outputs are: RF INPUT N connector (50Ω; +20 dBm ± 40V DC Max); Ref In SMA connector (External frequency reference; 50Ω; 10 Mhz +10 dBm Max) ; Trigger/Sync SMA connector (10k Ω input; 5V TTL 10); USB 3.0 USB connector (USB 3.0 SuperSpeed Micro-B; 5.0 V, ≤ 900 mA (nominal)).


Frequency Range 9 kHz to 6.2 GHz
RF Input impedance 50 Ω
Maximum Safe Input Power +20 dBm ± 40V DC Max
Measurement (Dynamic) Range -160 dBm to +20 dBm
Fast Sweeps 2 per second over entire 6.2 GHz span
Acquisition (IF) Bandwidth 40 MHz
Real-Time IF Acq Data and Bit Width 112 Ms/s, 14 bits
Minimum Signal Duration for 100% POI 27 µsec
Trigger Threshold Range 0 dB to -50 dB from reference level, for trigger levels > 30 dB above noise floor
Trigger Type Rising or falling edge
Trigger Levels Positive-going: 1.6 V min, 2.1 V max; Negative-going: 1.0 V min, 1.35 V max
Displayed Average Noise −130 dBm/Hz to −149 dBm/Hz
Phase Noise (1 GHz CW at 0 dBm) ≤-89 dBc/Hz to ≤-120 dBc/Hz
Included Accessories Safety/Installation Manual; USB 3.0 locking cable (1 M); SignalVu-PC software, documentation, and USB key
Weight 0.75 kg (1.65 lbs)
Power 5.0 V, ≤ 900 mA (nominal) per USB 3.0 SuperSpeed requirements
Operating Atmospherics Temperatures: -10 °C to +55 °C; Humidity: 5% to 75% from +30 °C to +40 °C; Altitude: Up to 9.144 km (30,000 ft)

Service Options

  • Opt. C3: Calibration Service 3 Years
  • Opt. C5: Calibration Service 5 Years
  • Opt. D1: Calibration Data Report
  • Opt. D3: Calibration Data Report 3 Years (with Opt. C3)
  • Opt. D5: Calibration Data Report 5 Years (with Opt. C5)
  • Opt. R3: Repair Service 3 Years (including warranty)
  • Opt. R5: Repair Service 5 Years (including warranty)

Recommended Accessories

  • Panasonic FZ-G1 Toughpad tablet controller: Recommended for portable field applications (
  • RSA300TRANSIT: Hard-side transit case
  • RSA300CASE: Soft carrying case
  • RSA306BRACK: Rackmount for RSA306 or RSA306B, holds 2 units
  • 174-6949-00: USB 2.0 locking cable, 0.5 m (half-length compared to USB cable shipped with the unit)
  • 012-0482-00: Cable, 50 Ω, BNC (m) 3 foot (91 cm)
  • Many more Adapters, Attenuators, 50/75 Ω pads, Antennas, EMC accessories, Filters, Probes, and the RSA-DKIT Demonstration board. Review datasheet for details.