Elpro can provide Wireless Ethernet solutions at both 869Mhz,2.4Ghz and 5.2Ghz.

869Mhz provides ranges up to 5km but has a restricted bandwidth of 76kbit/sec. 2.4Mhz & 5.2Mhz provides a greater bandwidth of 11-108mbit/s, but the range is limited to 100m unless high gain antenna are used that can increase the point to point range to 1km+.
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869Mhz
RM-805E
2.4Ghz 802.11b
RM-240
2.4Ghz 802.11g
RM-245E-G
5.2Ghz 802.11a
RM-245E-A
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