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WiMAX Buyers Guide

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WiMAX Interference Analysis


BumbleBee Wi-MAX Spectrum Analyzer

BumbleBee-EX™ is a rugged, calibrated spectrum analyzer all-in-one system. The handheld receiver measures the popular wireless Wi-MAX frequencies between 2.0-4.0 GHz and 4.9-5.9 GHz. BumbleBee-EX allows users to scan, display and record multiple RF waveforms for network installation, coverage and interference analysis. The color, touch-screen allows field engineers to tap on points of interest in any waveform and "zoom" in for further analysis. Advanced spectrum analysis features include 3 waveform, peak hold, peak search and user selectable power triggers. BumbleBee-EX allows for realtime spectral analysis of many wireless standards including RFID, VoIP, 802.11b/a/g & Bluetooth as well as unidentified RF interference such as microwaves and cordless phones. BumbleBee-EX takes the power of sophisticated laboratory spectrum analyzers and puts it in user's hands.

BumbleBee-EX Interference Examples

Download BumbleBee-EX data sheet
Download BumbleBee-EX RF interference example sheet
Download BumbleBee-EX manual from the Technical Support section
Download BumbleBee-EX related articles

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  • 2.0-4.0 GHz, 4.9-5.9 GHz Spectrum Analysis

  • Identify RFID, VoIP, 802.11 & Other ISM RF Spectrums

  • HP iPAQ PocketPC Interface

  • 3 Waveform Traces

  • Peak / Hold Search

  • User Selectable Power Triggers

  • Waveform JPEG Snapshots

  • Optional Directional Antennae for 900 MHz, 2.4 GHz or 5 GHz Frequencies

  • Optional Coverage Mapping/Interference Software Packages Available

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Frequency Standards: ISM Band (802.11/802.11b/g standard)
(Public Safety Band) *only available in public safety model)
U-NII (802.11a standard)
Span 50 kHz - 800 MHz
Resolution Bandwidth 50 kHz - 1 MHz (50, 100, 300, 500, 1 MHz)
automatic 802.11 preset bandwidths
Video Bandwidth (smoothing) 100 kHz - 1 MHz (50 kHz steps)
Screen Averaging 1 - 100 averages
Reference Stability + 2.5 PPM
Sweep Time 800 mSec (20 MHz span, 50 kHz resolution bandwidth)
Average Noise Floor (no input) < -100 dBm (reference level -70 dBm)
Dynamic Range > 40 dB
Level Accuracy + 1.5 dB (25 deg. C)
Max Input (safe) + 0 dBm
Max Input (no saturation) -20 dB
Reference Level -20 to -70 dBm (10 dB steps)
Number of traces 3 colors
Trace settings Peak hold, screen average
Marker functions Peak search, center frequency, left, right, delta
screen shots saved to .jpg file
Display (iPAQ) see HX4700 or HX2700 specifications
Operating system (iPAQ) Windows Mobile® 5.0
Auto or Manual: Trigger analyzer when input power meets or exceeds threshold (20 MHz span)
Packet/Interference trigger
Trigger threshold user selectable in dBm
Trigger delay user selectable in nanoseconds
Input Connector SMA Female, 50 ohm
Internal Battery Li-Pol (internal)
Run Time (internal battery) >3 hours
Charge Time < 1 hour
Weight 1 lb.
Dimensions 6" x 4" x 8"
BumbleBee-EX accessories: Directional Antenna, 900 MHz Antenna, 2400 MHz Antenna, 5 GHz Antenna, 12v Car Adapter
HX4700 or HX2700 series iPAQ  
12V car adapter  
2400 Directional Antenna  
5 Directional Antenna  

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  • 2000 – 4000 MHz
  • 4900 – 5900 MHz

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The BumbleBee-EX is a software application for PocketPC® that displays, records and logs all WLAN data received by the BumbleBee-EX™ on the iPAQ® PocketPC® PDA. The software allows complete control of the BumbleBee-EX spectrum analyzer. Data can be saved on the iPAQ for later conversion.

Optional BumbleBee-EX PC Software for Desktop Playback



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2.4 GHz Directional Corner Reflector

9 dBi gain

5 GHz Directional Corner Reflector

9 dBi gain

Nectar Spectrum Analysis PC Software

Pollenator shown with BumbleBee-EX

(included in Nectar software option)

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Does the BumbleBee-EX do both 802.11b and 802.11g studies?

BumbleBee-EX does not demodulate packets but instead scans and displays all RF energy from various popular bands including 2.4 GHz and 5 GHz frequencies.

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