SEM2411 Datasheet, PDF (1/3 Pages) Murata Manufacturing Co., Ltd. – High Speed Spread Spectrum Ethernet Radio Modem Family

Features:
• High Speed: Up to 1Mbps throughput
• Network Ethernet devices (sensors,
PLCs, computers) wirelessly
• Long Range: 1.5 miles using a 4” unity-
gain dipole antenna. Easily extended
using gain antennas.
• Proven frequency hopping technology
• Standard Ethernet 10/100BaseT interface
Benefits:
• Excellent immunity to jamming and
multi-path fading
• No user site license required anywhere in
the world
• Packaged for rugged industrial use
• 30OC to + 70OC operation
• Allows for deployment in hazardous
locations
• Low cost version available
DEVELOPER KIT
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SEM2411 Series
SEM2411X
SEM2411D
SEM2411DX
SEM2411LC
High Speed
Spread Spectrum
Ethernet Radio
Modem Family
.The SEM2411 series of products are very high speed/long range wireless networking products from RFM. Operating in the globally license-free
2.4GHz band, the SEM products are designed to provide high-speed wireless connectivity between Ethernet devices. Typical uses include
Ethernet bridging, SCADA networks, PLC networking, and other industrial automation or data collection applications. There is also a low cost
version available.
SEM2411D
SEM2411X/DX
SEM2411 LC
SEM2411 HL
Rail Mount
The SEM2411/D/X offers a DIN-
rail mount version, making
connection to PLCs or other
automation devices a snap. The
entire SEM2411 product family is
Class I Division 2 certified,
allowing deployment in
hazardous locations.
NEMA 4X Remote
Assembly
The SEM2411/D/X puts the
radio in a NEMA 4X remote
assembly that can be located
up to 300 feet from the Ethernet
connection. This allows optimal
radio placement without the
need for long RF cable runs.
Low Cost
The SEM2411LC can be
deployed as a low cost remote
bridge using a standard
SEM2411 as the base bridge.
The SEM2411LC can function
only as a slave device and must
communicate with a standard
SEM241. A SEM2411 can
support up to 62 SEM2411LCs.
The SEM2411LC radio is
housed in a NEMA 4X remote
assembly that can be located
up to 100 feet from the Ethernet
connection. This allows optimal
radio placement without the
need for long RF cable runs.
The SEM2411LC remote radio
assembly includes an integral
6dB patch antenna, removing
the need for expensive,
external antennas.
The SEM2411LC offers 1 Mbps
of data throughput, either point-
to-point or point-to-multipoint.
Hazardous Location, Class I Div I
SEM2411 HL (hazardous location)
products are ready to be deployed in
hazardous locations. These Class I Div I
rated solutions are idela for oil and gas
applications. The only access hole that
comes on the box is the antenna
connection on top. The customer then
chooses where to drill for power, data
and/or control conduit access to
maximize installation flexibility.
The SEM 2411 HL products can function
as high speed bridge between two 10/
100BaseT Ethernet networks or provide
wireless connectivity between an
Ethernet master bridge and multiple
Ethernet remote bridges.
SEM2411 HL provides a 1,23Mbps data
rate. SEM products ensure errorless data
via CRC error checking and ARQ
(automatic retransmission of errored
packets).
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©2008 by RF Monolithics, Inc.
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SEM2411 - 3/15/08