RouterBOARD SXT Series User's Manual rev. 6
Onboard 802.11a/n 5GHz wireless
This RouterBOARD model has a built-in 802.11a/n 5GHz wireless device based on the AR9280 Atheros
chipset. It doesn't support turbo mode.
There is no antenna connector, as the wireless part is directly connected to the built-in antenna.
Protocol Data rate TX Power
802.11a
6 Mbit/s 26dBm
54 Mbit/s 22dBm
802.11n
MCS0/8 20MHZ 25dBm
MCS0/8 40MHZ 25dBm
MCS7/15 20MHZ 19dBm
MCS7/15 40MHZ 18dBm
Protocol Data rate RX Sensitivity
802.11a
6 Mbit/s -96dBm
54 Mbit/s -80dBm
802.11n
MCS0/8 20MHZ -96dBm
MCS0/8 40MHZ -92dBm
MCS7/15 20MHZ -77dBm
MCS7/15 40MHZ -74dBm
Built in antenna
The SXT 5HnD has a built in dual polarization PCB type antenna:
Antenna
Type Dual polarization 5GHz antenna
Frequency range 5.17 - 5.825 GHz
Gain 16 ± 2 dBi
VSWR, max 1.7:1
3 dB Beam-Width, H-Plane, typ. 25 °
3 dB Beam-Width, E-Plane, typ. 25 °
Polarization Dual Linear (V-pol, H-pol)
Port to Port Isolation - 35 dB
For single chain operation in V-pol, these options can be considered:
1. leave everything as is, it will connect to Vpol devices by default if you didn't disable any chains in
RouterOS settings
2. Turn antenna 90deg and use Chain0
3. Don't turn antenna but disable Chain0-TX in RouterOS
USB port
The SXT has one USB 2.0 port. This port supports RouterOS USB power reset, a feature introduced to help
reboot 3G modems, but will reset any device connected to the USB port. It's available since RouterOS v4.14
/system resource usb power-reset
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