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Mobile WiMAX Analyzer


YellowFin WiMAX Analyzer

YellowFin™ Mobile WiMAX analyzer is the world’s first truly portable calibrated, demodulating WiMAX test receiver. This handheld unit utilizes the Samsung Q1 Ultra tablet UMPC as an interface in conjunction with Berkeley’s precision receiver technology for complete spectrum analysis as well as WiMAX packet demodulation. The receiver sweeps the 2.0 - 5.9 GHz spectrums to within +1.5 dB accuracy. YELLOWFIN™ performs full spectrum analysis allowing RF engineers to see the whole wireless network picture. Features include power triggers, peak hold/search, markers and multiple waveform traces. WiMAX 802.16e packet analysis includes RSSI measurements, Cell ID & Segment information, multipath analysis and CINR (Carrier-to-Interference-plus-Noise-Ratios) on a preamble basis. The optional DF (Direction Finding) Antenna allows engineers to pinpoint sources of WiMAX interference, rogue base stations and even nearby hackers. An internal 12-channel/satellite GPS receiver allows for geo-coded site surveys and drive-studies using optional mapping software.

Download YellowFin data sheet
Download YellowFin White Paper

Download YellowFin PowerPoint presentation

  • WiMAX 802.16e Packet Analysis
  • WiMAX Spectrum Analysis
  • RF Direction Finding (using optional antenna)
  • RF Interference Detection
  • Peak Search / Hold with up to 4 Peak Hold waveform traces
  • User Selectable Power Triggers
  • Waveform Snapshots of any screen

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Bands Supported
2.3 - 3.8 GHz
RF Sensitivity (Wide Band)
-20 to -90 dBm
ID Cell & Segment
RSSI (Channel)
-20 to -80 dBm
Correlated Multipath Measurements
0 to -10 dB
0 to +20 dBm
Bands Supported
2.0 - 5.9 GHz
Average Noise Floor (no input)
< -100 dBm (reference level -70 dBm, resolution bandwidth=50 kHz)
Dynamic Range
> 40 dB
Level Accuracy
+ 1.5 dB (25º C)
Max Input (safe)
+ 0 dBm
Max Input (no saturation)
-20 dBm
Reference Level
-20 to -70 dBm (10 dB steps)
Display (iPAQ)
see Samsung Q1 specifications
Operating System
Windows® Tablet XP
User Control Auto or Manual
Packet/Interefrence Trigger Trigger analyzer when input power meets or exceeds threshold (20 MHz span)
Trigger Threshold User settable in dBm
Trigger Delay User settable in mS
Internal GPS Receiver 12-channel/satellite GPS receiver
Input Connector SMA Female 50 ohm
Power Li-PO, AC, DC
Runtime Internal Battery > 3 hours
Recharge Time < 3 hours
Weight 5 lbs.
Dimensions 1.5" H x 7.5" W x 5" L (water resistant, high-impact ABS plastic case)
12V car adapter, 2.4 GHz Directional Finding Antenna, 5 GHz Directional Finding Antenna
Frequency 5.150-5.350 MHz
Gain 5 dBi
VSWR <2 : 1
Impedence 50 Ohm nominal
Beamwidth 75 degree vertical, 65 degree horizontal
Front-to-Back Ratio 22 dB or better
Material Powder-coated aluminum, ABS plastic radome
Weight 1 Lb.
Connector SMA attached at rear of antenna
Frequency 2300-2600 MHz
Gain 9 dBi
Bandwidth @ 2:1 SWR 200 MHz or better
Impedence 50 Ohm nominal
Beamwidth 75 degree vertical, 65 degree horizontal
Front-to-Back Ratio 22 dB or better
Material Powder-coated aluminum, ABS plastic radome
Weight 1 Lb.
Connector SMA attached at rear of antenna
Manufacturer Samsung (Q1 Ultra)
CPU Intel Pentium 1.33 GHz
Operating System Windows XP UMPC Tablet Edition
VRAM Shared
Memory 1 GB DDR 400
HDD 80 GB (4200 RPM)
ODD None
Wired 100 MB LAN
Built-In Wireless 802.11g+BT
Weight 2 lbs.
Dimensions 1" H x 5" W x 9" L

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2.0 - 5.9 GHz

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The YellowFin Data Logger is a software application for that displays, records and logs all WiMAX network data received by the YellowFin receiver . The software allows complete control of the YellowFin receiver data can be saved on the tablet for later replay and conversion.

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2.4 GHz DF Antenna (black)

5 GHz DF Antenna (black)

2.4 GHz Directional Corner Reflector 5 GHz Directional Corner Reflector
9 dBi gain 9 dBi gain
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Does the YellowFin do 802.11b/g or 802.11a studies?

While the YellowFin does scan the spectrum that common 802.11 Wi-Fi devices operate on, it does not demodulate Wi-Fi packets. YellowFin was designed for WiMAX installations, troubleshooting and interference detection.

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