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42 AT-WR4500 Series - IEEE 802.11abgh Outdoor Wireless Routers
RouterOS v3 Configuration and User Guide
mtu (integer: 0..1600; default: 1500) - Maximum Transmission Unit
name (name) - reference name of the interface
rates-a/g (multiple choice: 6Mbps, 9Mbps, 12Mbps, 18Mbps, 24Mbps, 36Mbps, 48Mbps, 54Mbps) - rates to
be supported in 802.11a or 802.11g standard
rates-b (multiple choice: 1Mbps, 2Mbps, 5.5Mbps, 11Mbps) - rates to be supported in 802.11b standard
remote-mac (MAC address; default: 00:00:00:00:00:00) - which MAC address to connect to (this
would be the remote receiver card's MAC address)
rx-band - operating band of the receiving radio
2.4ghz-b - IEEE 802.11b
2.4ghz-g - IEEE 802.11g
2.4ghz-g-turbo - IEEE 802.11g in Atheros proprietary turbo mode (up to 108Mbit)
5ghz - IEEE 802.11a up to 54 Mbit
5ghz-turbo - IEEE 802.11a in Atheros proprietary turbo mode (up to 108Mbit)
2ghz-10mhz - variation of IEEE 802.11g with half the band, and, accordingly, twice lower speed (air rate
of up to 27Mbit)
2ghz-5mhz - variation of IEEE 802.11g with quarter the band, and, accordingly, four times lower speed
(air rate of up to 13.5Mbit)
5ghz-10mhz - variation of IEEE 802.11a with half the band, and, accordingly, twice lower speed (air rate
of up to 27Mbit)
5ghz-5mhz - variation of IEEE 802.11a with quarter the band, and, accordingly, four times lower speed
(air rate of up to 13.5Mbit)
rx-frequency (integer; default: 5320) - Frequency to use for receiving frames
rx-radio (name) - which radio should be used for receiving frames
tx-band - operating band of the transmitting radio
2.4ghz-b - IEEE 802.11b
2.4ghz-g - IEEE 802.11g
2.4ghz-g-turbo - IEEE 802.11g in Atheros proprietary turbo mode (up to 108Mbit)
5ghz - IEEE 802.11a up to 54 Mbit
5ghz-turbo - IEEE 802.11a in Atheros proprietary turbo mode (up to 108Mbit)
2ghz-10mhz - variation of IEEE 802.11g with half the band, and, accordingly, twice lower speed (air rate
of up to 27Mbit)
2ghz-5mhz - variation of IEEE 802.11g with quarter the band, and, accordingly, four times lower speed
(air rate of up to 13.5Mbit)
5ghz-10mhz - variation of IEEE 802.11a with half the band, and, accordingly, twice lower speed (air rate
of up to 27Mbit)
5ghz-5mhz - variation of IEEE 802.11a with quarter the band, and, accordingly, four times lower speed
(air rate of up to 13.5Mbit)
tx-frequency (integer; default: 5180) - Frequency to use for transmitting frames
tx-radio (name) - which radio should be used for transmitting frames
WDS cannot be used on Nstreme-dual links.
The difference between tx-freq and rx-freq should be about 200MHz (more is recommended)
because of the interference that may occur!
You can use different bands for rx and tx links. For example, transmit in 2.4ghz-g-turbo and receive
data, using 2.4ghz-b band.
Example
To enable the nstreme2 protocol on a router:
Having two wireless interfaces which are not used for anything else, to group them into an nstreme
interface, switch both of them into nstreme-dual-slave mode: