Bird - The RF Experts
SH-42S-TC, SignalHawk Spectrum Analyzer
Try Then Buy SH-60S-AOA Spectrum Analyzer Promotion


RF Spectrum Analysis at Your Fingertips

SH-42S-TC, 10 MHz to 4.2 GHz RF Spectrum Analyzer
The SignalHawk™ SH-42S-TC is a new generation of handheld Spectrum Analyzers that offers superb functionality in a small, very affordable package. This highly portable unit fits easily in one hand and offers the user an amazing intuitive user interface.

Built upon a smartphone platform, users will find a high-resolution touch screen with familiar, easy to use, methods for setting up and using the spectrum analyzer. Field engineers, technicians, wireless equipment manufacturers, service providers, contractors, tower erectors and military field personnel alike have come to trust the efficiency and precision results of SignalHawk.

  • Priced so that you can buy one for each technician
  • Easy-to-use, intuitive menus to simplify operation for occasional or seasoned users
  • More than 2x faster sweep times than the competition
  • High-resolution, full-color display for indoor or outdoor viewing
  • Includes the Bird RF Meter App that allows interoperability with a wide range of Bird Field sensors
  • Two level Internal Preamplifier standard
  • Android operation system
  • Fully touch screen with multi-touch operation
  • Lightest, all-in-one analyzer at only 2.8 lb (1.25 kg)
  • Long battery life - 6 hours battery operation time
  • Three Year Warranty

Carry Precision with You

  • 10 MHz to 4.2 GHz frequency range

  • Predefined measurements include:
    • Channel Power Measurements
    • Adjacent Channel Power Ratio (ACPR)
    • Phase Noise
    • N dB Down bandwidth
product specifications:
Item No
Item Name
Hand-Held Spectrum Analyzer
Range: 10 MHz - 4.2 GHz
Span Accuracy: ±1%
±1 ppm
Sweep Time
1.1 ms to 1600 s Full Span
2.69 ms to 1600 s Settable Zero Span
Resolution Bandwidth
10 Hz to 5 MHz in 1, 2, 3, 5, 10 Steps
Accuracy: ≥1 MHz, ±10% (<1 MHz, ±2%)
Second Harmonic Distortion
1.6 GHz -70 dBc
Third-Order Intercept --TOI
+15 dBm (–10 dBm tones , 1 MHz apart, Sensitivity LOW, Reference Level –10 dBm)
+5 dBm (nom)
Phase Noise
-96 dBc/Hz,@10 kHz (typical -98 dBc/Hz)
-118 dBc/Hz,@1 MHz (typical -120 dBc/Hz)
Measurement Range
DANL to +20 dBm
Input Attenuator
0 to 30 dB, 1 dB step
Max Safe Input Level
Preamp Off: +20 dBm
Preamp +20 dB: 0 dBm
Preamp +40 dB: -20 dBm
Reference Level Range
-140 dBm to +20 dBm
-190 dBm to +70 dBm
(Ref Level Offset: ON)
RBW Switching Uncertainty
±0.3 dB
Display Average Noise Level -- DANL
Preamp Off: 1 GHz, -131 dBm/Hz (typical -133 dBm/Hz)
Preamp +20 dB: 1 GHz, -151 dBm/Hz (typical -153 dBm/Hz)
Preamp +40 dB: 1 GHz, -168 dBm/Hz (typical -169 dBm/Hz) (Input terminated, Detector set to Positive, Trace Average set to 1000, Span set to 50 kHz, Reference level of -100 dBm, all other settings auto-coupled, 23±5 °C normalized to 1 Hz RBW)
Residual Responses
-75 dBm
Amplitude Accuracy
±1.5 dB (ATT set to 0 dB , input signal -5 to -30 dBm, Detector set to Positive, Sensitivity set to Low, RBW auto-coupled, all other settings auto-coupled, 23±5 °C. Half hour warm-up required.)
Reference Level Accuracy
≥ -60 dBm, ±0.8 dB
RF In: N (Female)
USB: USB type C
Power Interface: Slim Tip, DC20V
5.5 inch, 1280 x 720 pixel
English, Chinese
Type: Li-ion
Operating Time: 6 hours (typ)
Charge Time: 2.5 hours (typ)
Temperature Range
Operating: 0 to 50°C
Storage: -20 to 70°C
7.8" x 3.9" x 2.6" (200 x 99 x 67 mm)
2.8 lb (1.25 kg)
Standard Accessories
Hard Carrying Case, Soft Carrying Case, AC Power Adapter, AC Power cable (US standard), USB Cable, USB OTG Cable, Touch Pen, USB Drive, Manual, Battery
Optional Accessories: International Adapter
compatible devices:
Wideband RF Power Sensor
Directional RF Power Sensors
Wideband RF Power Sensor
Wideband RF Power Sensor
Wideband RF Power Sensor
Wideband RF Power Sensor
Basic Power Sensor
Basic Power Sensor
Statistical RF Power Sensor