© Microhard Systems Inc. CONFIDENTIAL 10
IP9xx Series
1.0 Overview
The IP Series is a high-performance wireless ethernet bridge and
serial gateway. Alternately, a Master IP Series unit may be config-
ured to operate as a wireless ethernet router (and serial gateway).
When properly configured and installed, long range communications
at very high speeds can be achieved.
The IP Series operates within the 902-928MHz ISM frequency band,
employing frequency hopping spread spectrum (FHSS) and also, for
1.1Mbps operation, digital transmission service (DTS) technology.
They provide reliable wireless ethernet bridge functionality as well
gateway service for asynchronous data transfer between most equip-
ment types which employ an RS232, RS422, or RS485 interface.
The small size and superior performance of the IP Series makes it
ideal for many applications. Some typical uses for this modem:
1.1 Performance Features
Key performance features of the IP Series include:
1 920-928MHz, which is license-exempt within North America, may need to be
factory-configured differently for other areas: contact Microhard Systems Inc.
SCADA
remote telemetry
traffic control
industrial controls
remote monitoring
LAN extension
GPS
wireless video
robotics
display signs
fleet management
transmission within a public, license-exempt band of the radio
spectrum
1
- this means that the modems may be used without
access fees or recurring charges (such as those incurred by
cellular airtime)
maximum allowable transmit power (1 Watt)
longest range
transparent, low latency link providing reliable wireless IP/
ethernet communications with constant baud rate over
distance
A BRIDGE separates two network
segments within the same logical
network (subnet).
A SERIAL GATEWAY allows
asynchronous serial data to enter
(as through a gate) the realm of IP
communications.
The serial data is encapsulated
within UDP or TCP packets.
A ROUTER forwards data across
internetworks (different subnets).
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