Knowledge (XXG)

FLEX (protocol)

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signal transmitted at 1600 symbols per second. Each 4 level symbol represents two bits for a bit rate of 3200 bits per second. At 6400/4, this is a 4 level
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the State's SAGRN network for the Emergency Services paging system (CFS, SES, MFS and SAAS) is run on the FLEX 1600 protocol, and can be monitored online.
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in a set of 128 frames that takes 4 minutes to complete. Each frame contains a sync followed by 11 data blocks. The data blocks contain 256, 512 or 1024
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There have been reported instances of individuals actively listening to pager traffic (private investigators, news organizations, etc.).
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The standard has been designed to allow the pager's receiver to be turned off for a high percentage of the time and therefore save on
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of message data occurs in one of four modes: 1600/2, 3200/2, 3200/4, or 6400/4. All modes use
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is used to improve the integrity of the data, although this is not cryptographically secure.
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US6396411B1: Reliable and fast frame synchronization scheme for flex paging protocol
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signal transmitted at 3200 bits per second. At 3200/4, this is a 4 level
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signal transmitted at 1600 bits per second. At 3200/2, this is a 2 level
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signal transmitted at 3200 symbols per second or 6400 bits per second.
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for pagers. The traffic on this network can be monitored online.
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the emergency services use the Flex-protocol in the nationwide
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Design And Implementation Of A Practical FLEX Paging Decoder
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Index

Flex (disambiguation)

verification
improve this article
adding citations to reliable sources
"FLEX" protocol
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
communications protocol
Motorola
pagers
ReFLEX
Transmission
FSK
modulation
FSK
FSK
FSK
FSK
transmitted
bits
bits per second
battery
BCH
error correcting code
The Netherlands

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