Moxa
AWK-3131A-M12-RTG-EU-T

AWK-3131A-M12-RTG-EU-T

AWK-3131A-RTG Series

Wi-Fi 4 (802.11n) railway train-to-ground IP30 wireless AP/clients

  • M12 and SC fiber LAN connectors for onboard and wayside deployments
  • DIN-rail design and QMA connectors for more flexible deployment
  • Seamless train-to-ground communication with sub-50 ms controller-based Turbo Roaming

Certifications En50155 · En50121 4 · FCC · CE

Ships from and sold by A5 IT, an authorized Moxa reseller.

Specifications

WLAN Interface

WLAN Standards
2.4 GHz: 802.11b/g/n with 64 QAM support, 20/40 MHz 5 GHz: 802.11a/n with 64 QAM support, 20/40 MHz
Frequency Band for EU (20 MHz operating channels)
2.412 to 2.472 GHz (13 channels), 5.180 to 5.240 GHz (4 channels), 5.260 to 5.320 GHz (4 channels) DFS (Dynamic Frequency Selection) channel support: In AP mode, when a radar signal is detected, the device will automatically switch to another channel. However according to regulations, after switching channels, a 60-second availability check period is required before starting the service. , 5.500 to 5.700 GHz (11 channels) DFS (Dynamic Frequency Selection) channel support: In AP mode, when a radar signal is detected, the device will automatically switch to another channel. However according to regulations, after switching channels, a 60-second availability check period is required before starting the service.
Wireless Security
SSID broadcast enable/disable, WEP encryption (64-bit and 128-bit), WPA/WPA2-Enterprise (IEEE 802.1X/RADIUS, TKIP, AES), WPA/WPA2-Personal
Transmission Rate
802.11b: 1 to 11 Mbps, 802.11a/g: 6 to 54 Mbps, 802.11n: 6.5 to 300 Mbps
Transmitter Power for 802.11a
23±1.5 dBm @ 6 to 24 Mbps, 21±1.5 dBm @ 36 Mbps, 20±1.5 dBm @ 48 Mbps, 18±1.5 dBm @ 54 Mbps
Transmitter Power for 802.11n (5 GHz)
23±1.5 dBm @ MCS0 20 MHz, 20±1.5 dBm @ MCS1 20 MHz, 20±1.5 dBm @ MCS2 20 MHz, 20±1.5 dBm @ MCS3 20 MHz, 19±1.5 dBm @ MCS4 20 MHz, 18±1.5 dBm @ MCS5 20 MHz, 18±1.5 dBm @ MCS6 20 MHz, 18±1.5 dBm @ MCS7 20 MHz, 23±1.5 dBm @ MCS8 20 MHz, 20±1.5 dBm @ MCS9 20 MHz, 20±1.5 dBm @ MCS10 20 MHz, 20±1.5 dBm @ MCS11 20 MHz, 19±1.5 dBm @ MCS12 20 MHz, 19±1.5 dBm @ MCS13 20 MHz, 18±1.5 dBm @ MCS14 20 MHz, 18±1.5 dBm @ MCS15 20 MHz, 23±1.5 dBm @ MCS0 40 MHz, 20±1.5 dBm @ MCS1 40 MHz, 20±1.5 dBm @ MCS2 40 MHz, 20±1.5 dBm @ MCS3 40 MHz, 19±1.5 dBm @ MCS4 40 MHz, 18±1.5 dBm @ MCS5 40 MHz, 18±1.5 dBm @ MCS6 40 MHz, 18±1.5 dBm @ MCS7 40 MHz, 23±1.5 dBm @ MCS8 40 MHz, 20±1.5 dBm @ MCS9 40 MHz, 20±1.5 dBm @ MCS10 40 MHz, 20±1.5 dBm @ MCS11 40 MHz, 19±1.5 dBm @ MCS12 40 MHz, 19±1.5 dBm @ MCS13 40 MHz, 18±1.5 dBm @ MCS14 40 MHz, 18±1.5 dBm @ MCS15 40 MHz
Transmitter Power for 802.11b
26±1.5 dBm @ 1 Mbps, 26±1.5 dBm @ 2 Mbps, 26±1.5 dBm @ 5.5 Mbps, 25±1.5 dBm @ 11 Mbps
Transmitter Power for 802.11g
23±1.5 dBm @ 6 to 24 Mbps, 21±1.5 dBm @ 36 Mbps, 19±1.5 dBm @ 48 Mbps, 18±1.5 dBm @ 54 Mbps
Transmitter Power for 802.11n (2.4 GHz)
23±1.5 dBm @ MCS0 20 MHz, 21±1.5 dBm @ MCS1 20 MHz, 21±1.5 dBm @ MCS2 20 MHz, 21±1.5 dBm @ MCS3 20 MHz, 20±1.5 dBm @ MCS4 20 MHz, 19±1.5 dBm @ MCS5 20 MHz, 18±1.5 dBm @ MCS6 20 MHz, 18±1.5 dBm @ MCS7 20 MHz, 23±1.5 dBm @ MCS8 20 MHz, 21±1.5 dBm @ MCS9 20 MHz, 21±1.5 dBm @ MCS10 20 MHz, 21±1.5 dBm @ MCS11 20 MHz, 20±1.5 dBm @ MCS12 20 MHz, 19±1.5 dBm @ MCS13 20 MHz, 18±1.5 dBm @ MCS14 20 MHz, 18±1.5 dBm @ MCS15 20 MHz, 23±1.5 dBm @ MCS0 40 MHz, 20±1.5 dBm @ MCS1 40 MHz, 20±1.5 dBm @ MCS2 40 MHz, 20±1.5 dBm @ MCS3 40 MHz, 19±1.5 dBm @ MCS4 40 MHz, 19±1.5 dBm @ MCS5 40 MHz, 18±1.5 dBm @ MCS6 40 MHz, 17±1.5 dBm @ MCS7 40 MHz, 23±1.5 dBm @ MCS8 40 MHz, 20±1.5 dBm @ MCS9 40 MHz, 20±1.5 dBm @ MCS10 40 MHz, 20±1.5 dBm @ MCS11 40 MHz, 20±1.5 dBm @ MCS12 40 MHz, 19±1.5 dBm @ MCS13 40 MHz, 18±1.5 dBm @ MCS14 40 MHz, 17±1.5 dBm @ MCS15 40 MHz
Receiver Sensitivity for 802.11a (measured at 5.680 GHz)
Typ. -90 @ 6 Mbps, Typ. -88 @ 9 Mbps, Typ. -88 @ 12 Mbps, Typ. -85 @ 18 Mbps, Typ. -81 @ 24 Mbps, Typ. -78 @ 36 Mbps, Typ. -74 @ 48 Mbps, Typ. -74 @ 54 Mbps, Note: Due to a limitation in the receiver sensitivity performance for channels 153 and 161, it is recommended to avoid using these channels in your critical applications.
Receiver Sensitivity for 802.11n (5 GHz; measured at 5.680 GHz)
Typ. -88 dBm @ MCS0 20 MHz, Typ. -85 dBm @ MCS1 20 MHz, Typ. -82 dBm @ MCS2 20 MHz, Typ. -79 dBm @ MCS3 20 MHz, Typ. -76 dBm @ MCS4 20 MHz, Typ. -71 dBm @ MCS5 20 MHz, Typ. -70 dBm @ MCS6 20 MHz, Typ. -69 dBm @ MCS7 20 MHz, Typ. -95 dBm @ MCS8 20 MHz, Typ. -91 dBm @ MCS9 20 MHz, Typ. -87 dBm @ MCS10 20 MHz, Typ. -80 dBm @ MCS11 20 MHz, Typ. -78 dBm @ MCS12 20 MHz, Typ. -74 dBm @ MCS13 20 MHz, Typ. -72 dBm @ MCS14 20 MHz, Typ. -71 dBm @ MCS15 20 MHz, Typ. -84 dBm @ MCS0 40 MHz, Typ. -81 dBm @ MCS1 40 MHz, Typ. -77 dBm @ MCS2 40 MHz, Typ. -75 dBm @ MCS3 40 MHz, Typ. -71 dBm @ MCS4 40 MHz, Typ. -67 dBm @ MCS5 40 MHz, Typ. -64 dBm @ MCS6 40 MHz, Typ. -63 dBm @ MCS7 40 MHz, Typ. -90 dBm @ MCS8 40 MHz, Typ. -85 dBm @ MCS9 40 MHz, Typ. -82 dBm @ MCS10 40 MHz, Typ. -81 dBm @ MCS11 40 MHz, Typ. -77 dBm @ MCS12 40 MHz, Typ. -73 dBm @ MCS13 40 MHz, Typ. -71 dBm @ MCS14 40 MHz, Note: Due to a limitation in the receiver sensitivity performance for channels 153 and 161, it is recommended to avoid using these channels in your critical applications., Typ. -68 dBm @ MCS15 40 MHz
Receiver Sensitivity for 802.11b (measured at 2.437 GHz)
Typ. -93 dBm @ 1 Mbps, Typ. -93 dBm @ 2 Mbps, Typ. -93 dBm @ 5.5 Mbps, Typ. -88 dBm @ 11 Mbps
Receiver Sensitivity for 802.11g (measured at 2.437 GHz)
Typ. -88 dBm @ 6 Mbps, Typ. -86 dBm @ 9 Mbps, Typ. -85 dBm @ 12 Mbps, Typ. -85 dBm @ 18 Mbps, Typ. -85 dBm @ 24 Mbps, Typ. -82 dBm @ 36 Mbps, Typ. -78 dBm @ 48 Mbps, Typ. -74 dBm @ 54 Mbps
Receiver Sensitivity for 802.11n (2.4 GHz; measured at 2.437 GHz)
Typ. -89 dBm @ MCS0 20 MHz, Typ. -85 dBm @ MCS1 20 MHz, Typ. -85 dBm @ MCS2 20 MHz, Typ. -82 dBm @ MCS3 20 MHz, Typ. -78 dBm @ MCS4 20 MHz, Typ. -74 dBm @ MCS5 20 MHz, Typ. -72 dBm @ MCS6 20 MHz, Typ. -70 dBm @ MCS7 20 MHz, Typ. -95 dBm @ MCS8 20 MHz, Typ. -90 dBm @ MCS9 20 MHz, Typ. -87 dBm @ MCS10 20 MHz, Typ. -83 dBm @ MCS11 20 MHz, Typ. -80 dBm @ MCS12 20 MHz, Typ. -74 dBm @ MCS13 20 MHz, Typ. -71 dBm @ MCS14 20 MHz, Typ. -69 dBm @ MCS15 20 MHz, Typ. -87 dBm @ MCS0 40 MHz, Typ. -83 dBm @ MCS1 40 MHz, Typ. -83 dBm @ MCS2 40 MHz, Typ. -80 dBm @ MCS3 40 MHz, Typ. -76 dBm @ MCS4 40 MHz, Typ. -73 dBm @ MCS5 40 MHz, Typ. -69 dBm @ MCS6 40 MHz, Typ. -67 dBm @ MCS7 40 MHz, Typ. -93 dBm @ MCS8 40 MHz, Typ. -88 dBm @ MCS9 40 MHz, Typ. -85 dBm @ MCS10 40 MHz, Typ. -82 dBm @ MCS11 40 MHz, Typ. -78 dBm @ MCS12 40 MHz, Typ. -73 dBm @ MCS13 40 MHz, Typ. -69 dBm @ MCS14 40 MHz, Typ. -67 dBm @ MCS15 40 MHz
WLAN Operation Mode
Access point, Client, Client-Router, Sniffer
Antenna Connectors
2 x QMA

Ethernet Interface

Standards
IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X), IEEE 802.3af for PoE, IEEE 802.1Q for VLAN Tagging
10/100BaseT(X) Ports (M12 D-coded 4-pin female connector)
1 Supports IEEE 802.3af PoE
Optical Fiber
Read more 100BaseFX Wavelength 1310 nm Max. TX 0 dBm Min. TX -5 dBm RX Sensitivity -34 dBm Link Budget 29 dB Typical Distance 40 km

Ethernet Software Features

Management
SNMPv1/v2c/v3, Proxy ARP, ARP, DNS, HTTP, HTTPS, ICMP, TCP/IP, UDP, RADIUS, DHCP, BOOTP, STP/RSTP (IEEE 802.1D/w)
Security
RADIUS
Time Management
SNTP

LED Interface

LED Indicators
PWR1, PWR2, PoE, LAN, FAULT, STATE, SIGNAL, CLIENT, WLAN

Firewall

Filter
IP protocol, MAC address, Port-based

Serial Interface

Console Port
RS-232 (RJ45-type)

Input/Output Interface

Digital Inputs
2, +13 to +30 V for state 1, +3 to -30 V for state 0, Max. input current: 8 mA
Alarm Contact Channels
Relay output with current carrying capacity of 1 A @ 24 VDC
Buttons
Reset button

Physical Characteristics

Housing
Metal
IP Rating
IP30
Dimensions
52.9 x 151.9 x 127.4 mm (2.08 x 5.98 x 5.02 in)
Weight
850 g (1.87 lb)
Installation
DIN-rail mounting, Wall mounting (with optional kit)

Power Parameters

Input Current
0.85 A @ 12 VDC, 0.22 A @ 48 VDC
Input Voltage
12 to 48 VDC, Redundant dual inputs, 48 VDC Power over Ethernet
Power Connector
1 removable 10-contact terminal block(s)
Power Consumption
10.5 W (max.)
Reverse Polarity Protection
Supported

Environmental Limits

Operating Temperature
-40 to 75°C (-40 to 167°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity
5 to 95% (non-condensing)

Standards and Certifications

EMC
EN 61000-6-2/-6-4
EMI
CISPR 32, FCC Part 15B Class B
EMS
IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 20 V/m, IEC 61000-4-4 EFT: Power: 2 kV; Signal: 2 kV, IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV, IEC 61000-4-6 CS: 10 V, IEC 61000-4-8
Cybersecurity
EN 18031-1
Railway
EN 50155, EN 50121-4
Railway Fire Protection
EN 45545-2
Radio
EN 301 489-1/17, EN 300 328, EN 301 893, MIC, FCC ID SLE-WAPN008, SRRC, NCC, IDA
Safety
UL 60950-1, IEC 60950-1, EN 60950-1 (LVD)

MTBF

Time
552,454 hrs
Standards
Telcordia Standard SR-332

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Documentation

NameTypeVersionDate
Software Package for MXview One Series (Linux version)552.6 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Software Package for MXview One Series (Windows version)249.1 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Firmware for AWK-3131A-RTG Series7.8 MBFirmwarev1.9Jul 31, 2025 Jul 31, 2025 Release notes
MIB file for AWK-3131A-RTG Series190.4 KBLibraryv1.9Jul 31, 2025 Jul 31, 2025 Release notes
Datasheet for AWK-3131A-RTG Series908.1 KBDatasheetv3.2Jan 26, 2026
Declaration of Conformity (EU/UK) for AWK-3131A-RTG/RCC Series333.5 KBDeclarationv1.0Aug 08, 2025
Manual for AWK-3131A-RTG Series6.5 MBManualv1.1Aug 01, 2025
Declaration of Conformity (cybersecurity) for AWK-3131A-RTG Series206.1 KBDeclarationv1.0Aug 01, 2025
Tech Note: The Security Hardening Guide for the Rail Wi-Fi 4 Series1.1 MBTech Notev1.0Aug 01, 2025
FOSS Statement for AWK-3131A-RTG Series483.2 KBDeclarationv1.0Jul 31, 2025
QIG for AWK-3131A-RTG Series1.8 MBQIGv2.1Apr 29, 2021