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MAC Address

A Media Access Control (MAC) address is the hardware address (unique numeric identifier) of a device connected to a network. The MAC address helps other devices on the network find each other and it accompanies each data packet in order to identify the sender.

SCU displays the MAC address for both the station radio and the AP radio.

 


 

Main Window - SCU

The Main window provides an overview of the current wireless network connection configuration (Active Profile), a snapshot of connection information as well as access to administrator functions (Admin Login/Logout - administrator use only), and additional information regarding SCU (About SCU).

The SCU Main window displays the following parameters:

 Note: This window is only available in SCU versions prior to v4.0.


 

Man in the Mittle (MITM)

 MITM

Man in the Middle, or MITM, is a form of active eavesdropping where communication between two users (the victims) is monitored and modified by an unauthorized party (the attacker). During an MITM attack, the original parties appear to communicate normally. The sender does not realize that the receiver is an unknown attacker who is trying to access or modify the message before retransmitting it to the original receiver. The attacker controls the entire communication.

Maximum

Maximum (Max PSP) is a power save mode where the access point buffers incoming messages for the radio. The radio occasionally 'wakes up' to determine if any buffered messages are waiting and then returns to sleep mode after it requests each message. This setting conserves the most power but also provides the lowest throughput. It is recommended for radios in which power consumption is most important (such as small battery-operated devices).

Related Topics:  

 


 

Memory Technology Device (MTD)

Linux driver used for interacting with various flash device.

 


 

MFi

Made for iPhone/iPad/iPod. Apple's licensing program for third party manufacturers which offers certification for products designed to connect with Apple devices.

 


 

MIC

Ministry of Internal Affairs and Communications (MIC) (formerly TELEC) is the standards body for Japan. For more information: http://www.telec.or.jp/eng/Index_e.htm 

For MIC certifications, all approvals and certifications must exist at the device level, rather than the radio module level. Device vendors may leverage Summit's certifications and the associated test report when applying for MIC certifications.

  • Article 2 Item 19, Category WW (2.4 GHz Channels 1-13)
  • Article 2 Item 19-2, Category GZ (2.4 GHz Channel 14)
  • Article 2 Item 19-2 Category XW (5150-5250 W52 & 5250-5350 W53)
  • Article 2 Item 19-2 Category XW (5470-5725 W56)

 


 

Mobile Devices

A mobile device is a transmitting device designed for fixed locations and typically transmits at least 20 cm from the human body. In this context, "fixed location" indicates that the device, including its antenna, is physically secured at one location and cannot be easily moved to another location. A vehicle-mounted device is an example of a mobile device.

Transmitting devices that can be easily re-located (such as wireless devices associated with a personal computer) may be considered mobile devices if they meet the 20 cm separation requirement.

FCC rules allow vendors to use current FCC grants for their mobile devices without additional testing or certification only if the following conditions are met:

  • The radio must be set for no more than the same transmit power as was used for the grant.
  • The antennas used with these devices must be of like type (i.e., dipole or monopole).
  • The antennas used with these devices must be of equal or lesser gain.
  • Mobile device vendors must add all necessary FCC statements to their user's manual. These statements may be found in the product Hardware Integration Guides accessed from the product specifications pages for the applicable product.

 


 

Modular Approval

Modular approvals apply to non-stand-alone products (devices that are designed for use in other end products). This type of certification enables a manufacturer to incorporate an approved module into a product without having to retest or recertify the module.

Note: FCC and IC approvals do not allow the use of modular approvals with collocated radios nor with portable devices.

Modular Approval Requirements

There are eight items that must be met in order for a device to qualify for an FCC (FCC standard 15.247 for intentional radiation) modular approval:

  • RF Shielding - The modular transmitter must have its own RF shielding; it does not rely on the shielding provided by the device into which it is installed in order for modular transmitter emissions to comply with Part 15 limits and to prevent coupling of emissions to or from the module and any wires or other circuitry resulting in non-compliant operation.
  • Buffered Data Input/Output Ports - The modular transmitter must have buffered modulation or data inputs (if provided) to ensure that the module will comply with Part 15 requirements under conditions of excessive data rates or over-modulation.
  • Power Supply Regulation - The modular transmitter must have its own power supply regulation. This ensures that the module will comply with Part 15 requirements regardless of the design of the power supplying circuitry in the device into which the module is installed.
  • Permanent Antenna or Unique Connector - The modular transmitter must comply with the antenna requirements from Section 15.203 and 15.204(c).
    • The antenna must either be permanently attached or employ a "unique" antenna coupler (at all connections between the module and the antenna, including the cable).
    • Any antenna used with the module must be approved with the module, either at the time of initial authorization or through a Class II permissive change. The "professional installation" provision of Section 15.203 may not be applied to modules.
     
  • Tested in "Stand Alone" Condition - The modular transmitter must be tested in a stand-alone configuration (i.e., the module must not be inside another device during testing).
    • This is intended to demonstrate that the module can comply with Part 15 emission limits regardless of the device into which it is eventually installed.
     
  • Labeled with Own ID Number - The modular transmitter must be labeled with its own FCC ID number. If the FCC ID is not visible when the module is installed inside another device, then the host device must contain the FCC ID number with the statement such as the following: "Contains Transmitter Module FCC ID: XYZMODEL1" or "Contains FCC ID: XYZMODEL1.
  • Instructions to Operator / OEM Integrator - The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization.
  • Must Meet RF Exposure Requirements - The modular transmitter must comply with any applicable RF exposure requirements. FCC Rules in Sections 2.1091, 2.1093 or any specific rf exposure requirements of part 15.

If a device does not have all eight items, it may still be possible to do a Limited Modular Approval.

Related Topics: 

 


 

Mono Voice

Audio system where all audio signals are sent together over one channel. Applications include VoIP phones and gateways, intercom systems, vehicle hands-free kits, first responder audio intercoms, and industrial audible alarm systems.

 


 

 

 

Monopole

A type of antenna which consists of a single conducting rod that is mounted to a conductive surface. The rod acts as one half of a dipole and the conducting surface creates the other.

 


 

Multipath Propagation

Multipath propagation occurs when a single radio transmission encounters a reflective material (such as metal) and then duplicates into multiple transmissions in the same way that a sound wave can echo when it encounters reflective objects. Multipath propagation typically reduces the performance of 802.11a, 802.11b, and 802.11g- compliant devices that support only single spatial streams because duplicate transmissions can be perceived by the receiving radio as original transmissions (which must be processed and subsequently discarded).

The ability of a radio to discern multiple transmissions as duplicates is referred to as delay spread which is typically quantified in nanoseconds (the period of time during which a duplicate will be ignored and not processed). 802.11n-compliant devices that support multiple spatial streams are capable of transmitting and receiving multiple transmissions simultaneously. As a result, 802.11n-compliant devices can achieve greater performance and reliability than legacy single-stream devices by leveraging multiple transmission paths.

 


 

Music Manager (application)

The Music Manager is a Windows based application that allows you to configure and monitor A2DP post processing algorithms. The Music Manager is available with the appropriate version of a Headset Application Development Kit (ADK).

 


 

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