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©2008 by RF Monolithics, Inc.

SEM910 - 3/14/08

SEM910 products use the RFM third generation proprietary frequency hopping technology. Major industrial powerhouses such as Group

Schneider, Siemens, and GE have learned they can depend on RFM products for their customers. SEM products offer extraordinary data

throughput combined with outstanding range, coverage, and link reliability. The SEM products operate easily in extended range applications, more

than 20+ miles with omni-directional antennas.

For example, the SEM can function as a high speed bridge between two 10/100BaseT Ethernet networks (see figure 1 below). SEM products can

also provide wireless connectivity between an Ethernet base station and multiple Ethernet remote modems (see figure 2). Highly complex

networks can be achieved using repeaters to extend range and coverage. The SEM910 products offer 150 Kbps data throughput, either point-to-

point or multi-point. SEM910 products ensure errorless data via CRC error checking and ARQ (automatic retransmission of errored packets).

Figure 1

Figure 2