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TAP-323 Series

Wi-Fi 4 (802.11n) railway train-to-ground wayside IP68 dual-radio wireless APs

Features and Benefits

  • Redundant dual AC or DC power inputs for flexible wayside deployments
  • Dual radios for different train-to-ground applications
  • 2 integrated fiber ports for wayside network redundancy with Turbo Chain
  • Seamless train-to-ground communication with sub-50 ms controller-based Turbo Roaming
Certifications
Overview
Specifications
Resources
Models
Contact Sales

Introduction

The TAP-323 Series Wi-Fi 4 (802.11n) railway train-to-ground wayside IP68-rated dual-radio wireless APs are built for CBTC, CCTV, and BBRS communications, supporting seamless controller-based Turbo Roaming with handover times under 50 ms. They are highly compact and rugged wireless units combining two access points, a managed fiber switch, and a wide-range AC/DC power supply into a single box. The TAP-323 Series can supply power to up to four PoE devices while providing reliable LAN communications powered by Moxa’s Turbo Chain technology.

  • 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 US (20 MHz operating channels)

    TAP-323-US models only:
    2.412 to 2.462 GHz (11 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 (8 channels) Excludes 5.600 to 5.640 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.
    5.745 to 5.825 GHz (5 channels)

  • Frequency Band for EU (20 MHz operating channels)

    TAP-323-EU models only:
    2.412 to 2.472 GHz (13 channels)
    5.180 to 5.240 GHz (4 channels)
    5.260 to 5.320 GHz (4 channels)
    5.500 to 5.700 GHz (11 channels)

  • Frequency Band for JP (20 MHz operating channels)

    TAP-323-JP models only:
    2.412 to 2.484 GHz (14 channels)
    5.180 to 5.240 GHz (4 channels)
    5.260 to 5.320 GHz (4 channels)
    5.500 to 5.700 GHz (11 channels)

  • 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
    Typ. -68 dBm @ MCS15 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.

  • 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

  • Transmission Rate

    802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
    802.11b: 1, 2, 5.5, 11 Mbps
    802.11n HT20: 6.5 to 144.4 Mbps (MCS0 to MCS15)
    802.11n HT40: 13.5 to 300 Mbps (MCS0 to MCS15)

  • Transmitter Power for 802.11a

    23±1.5 dBm @ 6 Mbps
    23±1.5 dBm @ 12 Mbps
    23±1.5 dBm @ 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 Mbps
    23±1.5 dBm @ 12 Mbps
    23±1.5 dBm @ 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 (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

  • Wireless Security

    WEP encryption (64-bit and 128-bit)
    WPA/WPA2-Enterprise (IEEE 802.1X/RADIUS, TKIP, AES)
    WPA/WPA2-Personal

  • WLAN Operation Mode

    Access point

  • Antenna Connectors

    5 x N-type female

  • Standards

    IEEE 802.1p for Class of Service
    IEEE 802.1Q for VLAN Tagging
    IEEE 802.3 for 10BaseT
    IEEE 802.3ab for 1000BaseT(X)
    IEEE 802.3af for PoE
    IEEE 802.3u for 100BaseT(X)

  • 1000BaseSFP Slots

    2

  • 10/100BaseT(X) Ports (M12 D-coded 4-pin female connector)

    4

  • Total Port Count

    6

  • Management

    SNMPv1/v2c/v3
    DHCP Server/Client
    IPv4
    Syslog
    TCP/IP
    Telnet
    TFTP
    UDP
    Web Console
    Wireless Search Utility

  • Routing

    Port forwarding

  • Security

    HTTPS/SSL
    RADIUS
    SSH

  • Time Management

    SNTP

  • Filter

    IP protocol
    MAC address
    Port-based

  • M12 Connector

    M12 A-coded 5-pin female (for ABC-02 USB storage)

  • Console Port

    USB-M12 console (M12 B-coded 5-pin female connector)

  • Parity

    None, Even, Odd, Space, Mark

  • LED Indicators

    PWR1, PWR2, FAULT1, FAULT2, STATUS, HEAD, TAIL, LAN1-LAN6, PoE1-PoE4, WLAN1, WLAN2

  • Buttons

    Reset button

  • Input Current

    AC input: 110 to 220 VAC, 50 to 60 Hz, 1.1 A (max.)
    DC input: 110 to 220 VDC, 1.1 A (max.)

  • Input Voltage

    110/220 VDC/VAC
    Redundant dual inputs

  • Power Connector

    M23 6-pin male connector

  • Power Consumption

    85 W (max.)

  • Power Consumption

    PSE/Voltage 110 VDC 110 VAC 220 VDC 220 VAC
    0 PSE port in use 17.4 W 16.2 W 17.6 W 17.5 W
    1 PSE port in use 34.15 W 32.6 W 33.8 W 33.55 W
    2 PSE ports in use 50.9 W 49 W 49.9 W 49.6 W
    3 PSE ports in use 67.65 W 65.4 W 66 W 65.65 W
    4 PSE ports in use 84.4 W 81.8 W 82.1 W 81.7 W

  • Reverse Polarity Protection

    Supported

  • Source of Input Power

    PoE (IEEE 802.3af)

  • Housing

    Metal

  • IP Rating

    IP68

  • Dimensions

    324 x 279 x 156 mm (12.76 x 10.98 x 6.142 in)

  • Weight

    10,000 g (22.22 lb)

  • Installation

    Wall mounting
    DIN-rail mounting (with optional kit)

  • Protection

    PCB conformal coating

  • 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)

  • EMC

    EN 61000-6-2/-6-4
    EN 55032/24

  • EMI

    CISPR 32, FCC Part 15B Class A

  • 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 PFMF

  • Safety

    EN 60950-1
    UL 60950-1
    IEC 60950-1

  • Cybersecurity

    EN 18031-1

  • Radio

    FCC
    MIC
    IC
    WPC
    RED

  • Railway

    EN 50121-4
    EN 50155

  • Railway Fire Protection

    EN 45545-2

  • Time

    290,937 hrs

  • Standards

    Telcordia Standard SR-332

Software, Firmware, and Drivers

FILTER

All Firmware Library Utility
Name Type Checksum Version Operating System Release Date
Firmware for TAP-323 Series Download
8.1 MB 		Firmware
SHA-512
v1.9
Jul 31, 2025 Jul 31, 2025 Release notes
MIB file TAP-323 Series Download
177.2 KB 		Library
SHA-512
v1.9
Jul 31, 2025 Jul 31, 2025 Release notes
Turbo Roaming Analyzer Download
5.8 MB 		Utility
SHA-512
v1.0
Nov 29, 2018 Nov 29, 2018 Release notes
Utility for TAP-323 Series (Search Utility) Download
1.8 MB 		Utility
SHA-512
v1.0
Nov 29, 2018 Nov 29, 2018 Release notes

Support Documents

FILTER

All 2D CAD Datasheet Declaration Manual QIG Tech Note
Name Type Version Release Date
Datasheet for TAP-323 Series Download
726.8 KB 		Datasheet v1.6 Apr 16, 2026 Apr 16, 2026
Tech Note: The Security Hardening Guide for the Rail Wi-Fi 4 Series Download
1.1 MB 		Tech Note v1.0 Aug 01, 2025 Aug 01, 2025
Manual for TAP-323 Series Download
5.1 MB 		Manual v1.1 Aug 01, 2025 Aug 01, 2025
Declaration of Conformity (cybersecurity) for TAP-323 Series Download
206.4 KB 		Declaration v1.0 Aug 01, 2025 Aug 01, 2025
FOSS Statement for TAP-323 Series Download
483.2 KB 		Declaration v1.0 Jul 31, 2025 Jul 31, 2025
Declaration of Conformity for TAP-323 Series Download
318.4 KB 		Declaration v1.0 Nov 28, 2024 Nov 28, 2024
QIG for TAP-323 Series Download
1.1 MB 		QIG v2.1 Apr 29, 2021 Apr 29, 2021
2D CAD for TAP-323 Series Download
787.2 KB 		2D CAD Nov 28, 2018 Nov 28, 2018

Related Content

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All Application Note Solution Brochure

Available Models (3)

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moxa-tap-323-eu-ct-t-image.jpg | MoxaTAP-323-EU-CT-T
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moxa-tap-323-us-ct-t-image.jpg | MoxaTAP-323-US-CT-T
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moxa-tap-323-jp-ct-t-image.jpg | MoxaTAP-323-JP-CT-T
BandEUUSJP
Standard802.11a/b/g/n802.11a/b/g/n802.11a/b/g/n
ApplicationRailway trackside wireless access pointRailway trackside wireless access pointRailway trackside wireless access point
Operating Temp.-40 to 75°C-40 to 75°C-40 to 75°C
Indoor/Outdoor, IP RatingOutdoor, IP68Outdoor, IP68Outdoor, IP68
Single/Dual RF Dual RFDual RFDual RF
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