AirPcap Nx
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AirPcap Product Family
The AirPcap Product Family offers a complete range of 802.11 WLAN packet capture solutions for the Windows platform.
Welcome to the AirPcap family of WLAN packet capture solutions. The AirPcap family is the first open, affordable and easy-to-deploy packet capture solution for Windows. All of the AirPcap offerings capture full 802.11 data, management, and control frames that can be viewed in Wireshark thereby providing in-depth protocol dissection and analysis capabilities.
How AirPcap Adapters Operate
All of the AirPcap adapters can operate in a completely passive mode. In this mode, the AirPcap adapter will capture all of the frames that are transferred on a channel, not just frames that are addressed to it. This includes data frames, control frames and management frames. When more than one BSS shares the same channel, the AirPcap adapter will capture the data, control, and management frames from all of the BSSs that are sharing the channel and that are within range of the AirPcap adapter.
The AirPcap adapter captures the traffic on a single channel at a time. The channel setting for the AirPcap adapter can be changed using the AirPcap Control Panel, or from the "Advanced Wireless Settings" dialog in Wireshark. Depending on the capabilities of your AirPcap adapter, it can be set to any valid 802.11 channel for packet capture.
The AirPcap software can optionally be configured to decrypt WEP-encrypted frames. An arbitrary number of keys can be configured in the driver at the same time, so that the driver can decrypt the traffic of more than one access point at the same time. WPA and WPA2 support is handled by Wireshark.
Multiple Channel Capture
When listening on a single channel is not enough, multiple AirPcap adapters can be used at the same time to capture traffic simultaneously from different channels. The AirPcap driver provides support for this operation through the Multi-Channel Aggregator technology that exports capture streams from multiple AirPcap adapters as a single capture stream. The Multi-Channel Aggregator consists of a virtual interface that can be used from Wireshark or any other AirPcap-based application. Using this interface, the application will receive the traffic from all installed AirPcap adapters, as if it was coming from a single device. The Multi-Channel Aggregator can be configured like any real AirPcap device, and therefore can have its own decryption, FCS checking, and packet filtering settings.
AirPcap Nx
802.11a/b/g/n USB Wireless Adapter with two External Antenna Connectors
AirPcap Nx continues the tradition of AirPcap by providing a USB-based and easy-to-deploy 802.11n packet capture and injection solution for the Windows platform. This unique dual-band offering supports packet capture and injection for 802.11n, 802.11a/b/g legacy modes, and the 4.9 GHz US Public safety channels, all with full Wireshark® integration. It also features 2 x 2 MIMO with two internal antennas. In addition to the internal antennas, AirPcap Nx has two integrated MC-Card connectors for optional external antennas to enhance performance in the most demanding environments.
802.11n is an exciting new technology, but it introduces many potential problems due to its complexity and the need for coexistence with existing 802.11b, a, and g networks. With AirPcap Nx you get complete visibility into your 802.11a/b/g/n wireless networks. This includes general 802.11 information such as data, management, and control frames along with 802.11n-specific information such as HT information, aggregated MPDUs, and aggregated MSDUs.
Features
AirPcap Nx replaces the AirPcap N 32bit CardBus adapter, providing advanced technology and additional capabilities that include:
- 802.11n traffic capture on 20MHz and 40 MHz channels
- 802.11a, b, g packet capture on 20MHz channels
- 802.11a, b, g, and n packet injection at all rates
- Detailed decoding of control, management, and data frames in Wireshark, including A-MSDUs, A-MPDUs, and HT information
- Per-packet radio information
- Microsecond timestamp resolution
- Two internal antennas and two integrated MC-Card connectors for optional external antennas
- Support for 2x2 MIMO
- Monitor multiple channels simultaneously and capture into a single, merged trace file using multiple AirPcap Nx adapters and CACE's exclusive multi-channel aggregation technology
- Full integration with Wireshark and CACE Pilot™ for complete WLAN traffic analysis, visualization, drill-down, and reporting
- USB host interface provides for portability and flexibility in deployment
- AirPcap and WinPcap APIs are provided for creation or extension of your own 802.11n testing and diagnostic tools
AirPcap Product Family
AirPcap Nx Product Specifications
- Network Topology:
IEEE 802.11a/b/g/n - Operating Frequencies:
2.412-2484 GHz (b/g/n)
4.920-5.825 GHz (a/n) - 802.11n Supported Modes:
Legacy Mode
HT20 mixed mode
HT40 mixed mode. In this mode, the adapter captures HT40, HT20 and
legacy mode frames simultaneously. - 802.11n Aggregation:
Capture of A-MPDU and A-MSDU frames - Modulations:
CCK
OFDM
HT-OFDM - MCS 0-15
- Up to 2 spatial streams
- Detection of Short and Long Guard Interval
- 2x2 MIMO
- Data Rates:
Up to 54Mbps for 802.11a/b/g
Up to 130Mbps (20MHz channels) and 300Mbps (40MHz channels) for
802.11n - Antennas:
Two built-in Antennas
Two integrated MC-Card connectors for optional external antennas - Decryption:
WEP
WPA PSK (in Wireshark)
WPA2 PSK (in Wireshark) - Power:
USB Bus (no external power)
5VDC
300mA (max) or 1.5 Watt (max) - Temperature:
Operating: 0C to 55C
Storage: -20C to 70C - Humidity:
Operating: 10%-70% (Non-condensing)
Storage: 5%-95% (Non-condensing) - Certifications:
RoHS compliant
AirPcap Nx Host System Requirements
- Pentium compatible or better
- Available USB 2.0 or 1.1 Slot
- Microsoft ® Windows 2000, 2003, 2008, XP, or Vista OS
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AirPcap-Nx-Datasheet.pdf (281KB) |
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AirPcap Nx
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