Bird - The RF Experts
Hand-held Spectrum Analyzer

The SignalHawk™ SH-42S-TC is a new generation of Spectrum Analyzer 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 an Android 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.

Problem and Solutions

Need to equip your workforce
 Priced so that you can buy one of these for each of your technicians. 
Varying field tech skill levels
 Easy-to-use, intuitive menus to simplify operation for the occasional or seasoned user.
Need faster sweeps
 More than 2x faster sweep times than the competition.
Poor lighting or bright light
 High-resolution, full-color display for indoor or outdoor viewing.
Require Power Measurement
 Includes the Bird RF Meter App that allows interoperability with a wide range of Bird Field sensors.
Laptop requirement
 Work orders can be viewed right on the instrument with a .pdf/.doc viewer. Can upload custom user written WordPad help file. 
Lack of access to AC
 10% longer battery life (6 hours per charge), with Lithium Ion battery.


Now includes the BIRD RF METER APP! Free download from the Google Play Store.

For a complete list of compatible sensors see Bird's RF Meter Page.

product specifications:
Item No
Item Name
Hand-Held Spectrum Analyzer
Frequency Range
10 MHz - 4.2 GHz
Frequency Span Accuracy
Sweep Time
1.1ms ~ 1600s
Bandwidth Range
10 Hz ~ 5 MHz
Bandwidth Accuracy
≥ 1 MHz, ±10%, <1 MHz, ±2%
Measurement Range
DANL to +20dBm
Input Attenuator Range
0~30dB, 1dB step
Max Safe Input Level Sensitivity
Preamp Off: +20 dBm
Preamp +20 dBm: 0 dBm
Preamp +40 dB: -20 dBm
Reference Level Range
-140 dBm to +20 dBm
Ref Level Offset: ON, -190 dBm to +70 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.)
Switching Uncertainty
±0.3 dB
Input Attenuator
±0.6 dB
Level Accuracy
≥ -60 dBm, ±0.8 dB
Average Noise Level Sensitivity
Preamp Off: 1 GHz, -131 dBm/Hz (Typ -133 dBm/Hz)
Preamp +20 dBm: 1 GHz, -151 dBm/Hz (Typ -153 dBm/Hz)
Preamp +40 dBm: 1 GHz, -168 dBm/Hz (Typ -169 dBm/Hz)
Residual Responses
-75 dBm
Input Related Responses
10 MHz - 1.285 GHz: -70 dBc
1.285 GHz - 1.625 GHz: -42 dBC
1.625 GHz - 1.775 GHz: -55 dBc
1.775 GHz - 2.35 GHz: -42 dBc
2.35 GHz - 2.71 GHz: -25 dBc
2.71 GHz - 3.22 GHz: -42 dBc
3.22 GHz - 3.7 GHz: -70 dBc
3.7 GHz - 4.2 GHz: -35 dBc
Second Harmonic
1.6 GHz -70 dBc
Third-Order Intercept
+15 dBm
(–10 dBm tones ,1 MHz apart, Sensitivity LOW, Reference Level –10 dBm)
+5 dBm Nominal
Phase Noise 1 GHz
-96 dBc/Hz,@10 kHz (typical -98 dBc/Hz) -118 dBc/Hz,@1 MHz (typical -120 dBc/Hz)
RF In: N type, female
USB: Type C
Power Interface: Slim Tip, DC20V
Operating System
Battery Operating Time
6 hours typical
Battery Charging Time
2.5 hours typical
Operating Temperature
0°C to 50°C
Storage Temperature
-20°C to 70°C
7.8 in x 3.9 in x 2.6 in, (200mm x 99mm x 67mm)
2.8 lb (1.25 kg)