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Wi-Fi Analyzer

Yellowjacket 802.11b/a/n/g Wi-Fi Analyzer

Yellowjacket® B/A/N/G is a wireless test receiver system that demodulates, sweeps, analyzes, and optimizes all popular 802.11 Wi-Fi network standards including 802.11b/g (2.4 GHz), 802.11n, and even 802.11a (5 GHz). The calibrated receiver is a passive measurement device that is network independent so it remains "invisible" to any 802.11 Wi-Fi network. Yellowjacket® B/A/N/G is also a powerful spectrum analyzer that measures RF energy (2.0-4.0 & 4.9-5.9 GHz) allowing not only detailed interference analysis but the ability to see the "whole picture" of your 2.4 and 5 GHz network WISP or hotspot. When equipped with a BVS DF (Direction Finding) antenna, Yellowjacket® B/A/N/G locates and pinpoints rogue APs and STAs and even detects interference from sources such as microwave ovens and cordless phones. Powerful packet analysis features such as Multipath (Ec/Io), SNR (Signal-to-Noise Ratio), Delay Spread, Channel Frequency Response (CFR), SSID and Received Signal Strength Indicator (RSSI) give Yellowjacket® B/A/N/G the distinction of being the only true handheld RF spectrum protocol analysis and direction finding tool accurate to within +1 dB. Yellowjacket® B/A/N/G functions as a complete WLAN analysis system offering both measurements made through packet demodulation and spectrum analysis in a rugged, handheld package.

Yellowjacket® B/A/N/G is a 3rd party Cisco® Discovery Tool for Wi-Fi analysis.

Download Yellowjacket 802.11b/a/n/g data sheet

  • Measure 2.4 GHz coverage for DSSS and OFDM WLANs within the IEEE 802.11b/g standard
  • Measure 5 GHz coverage for OFDM WLANs within the IEEE 802.11a standard
  • Measures 802.11n packets and spectrum interference
  • Measure full 2.0-4.0 GHz and 4.9-5.9 GHz RF spectrum analysis in one handheld unit
  • Receive, filter and process DSSS and OFDM studies all in a handheld Windows Mobile OS environment
  • 802.11 packet Demodulation tools for Channel Frequency Response & Antenna Alignment
  • Full Featured Spectrum Analysis including Power Triggers, Waveform Traces & Full Spectrum Sweep
  • Measure RSSI in true dBm with a calibrated receiver
  • Multipath and RSSI; narrow band & total channel power
  • Complex AP / STA list analysis including Multipath, Absolute Channel, and SSID
  • Rechargeable Internal Li-Poly battery or A/C power
  • MAC Security Authorization Lists/Detection/Alarms as well as WEP and WPA encryption detection
  • Internal GPS receiver for realtime geo-coding of all measurements
  • Optional Swarm™ mapping/validation coverage software
  • Optional Direction Finding antennae for locating rogue APs, WLAN hackers and spurious RF interference
  • Optional RJ-45 Ethernet Port for fast, networked PC communication
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Bands Supported
2.0-4.0 GHz and 4.9-5.9 GHz (includes 802.11a and 802.11h (Europe))
RF Sensitivity (Wide Band)
-20 to -90 dBm
Packet Preamble Demodulator and Analyzer
Multipath Measurement and Graphical Display
Correlated Power Measurements
Correlated Power (dBm)
-30 dBm : -100 dBm
Correlated Power to Total Power Ec/Io (dB)
0 dB : -10 dB
Total Channel Power Measurement
-20 dBm : -80 dBm
Bands Supported
2.0-4.0 GHz and 4.9-5.9 GHz (includes 802.11a and 802.11h (Europe))
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 dB
Max Input (no saturation)
-20 dB
Reference Level
-20 to -70 dBm (10 dB steps)
Display (iPAQ)
see HX2700 specifications
Operating System
Windows® Mobile 5.0
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
Input Connector SMA Female 50 ohm
Power Li-PO, AC, DC
Runtime Internal Battery > 3 hours
Recharge Time < 3 hours
Weight 3 lbs.
Dimensions 3" H x 5" W x 9 " L (water resistant, high-impact ABS plastic case)
2.4 GHz Omni-Directional Antenna, 5 GHz Omni-Directional Antenna, AC/DC Power
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
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  • 2.0-4.0 Ghz
  • 4.9-5.9 GHz
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The YellowJacket Data Logger is a software application for Windows® Mobile 5.0 that displays, records and logs all Wi-Fi data received by the YellowJacket® on the iPAQ® PocketPC® PDA. The software allows complete control of the YellowJacket IEEE 802.11 scanner. Data can be saved on the iPAQ for later replay and conversion. YellowJacket® runs Hive Indoor Mapping Software and Drone GPS-Based Wi-Fi Software which allows the users to create, modify and plot measurements in real-time on an iPAQ and PC.

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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 YellowJacket do both 802.11b/g and 802.11a studies?

Yes, the calibrated Yellowjacket receiver can detect and demodulate both 802.11b/g, 802.11a and even 802.11h packets.

How do I get GPS data for my 802.11 measurements?

Yellowjacket 802.11b/a/g model contains an optional internal 12-channel GPS receiver for use in outdoor drive-studies for example.

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