Moxa
NPort W2150A-W4-T-EU

NPort W2150A-W4-T-EU

NPort W2150A-W4/W2250A-W4 Series

1 and 2-port serial-to-Wi-Fi (802.11a/b/g/n) device servers with a wireless client

  • Links serial and Ethernet devices to an IEEE 802.11a/b/g/n network
  • Web-based configuration using built-in Ethernet or WLAN
  • Secure Boot only allows Moxa-authorized firmware to run on devices
  • Remote configuration with HTTPS (TLS 1.3), SSH
  • Secure data access with WEP, WPA, WPA2
  • WPA/WPA2 Enterprise IEEE 802.1X/RADIUS (EAP-TLS 1.3)
  • Fast roaming for quick automatic switching between access points
  • Offline port buffering and serial data log
  • Enhanced surge protection for serial, LAN, and power
  • EN 18031-1 compliant wireless cybersecurity
  • Dual power inputs (1 screw-type power jack, 1 terminal block)

Certifications CE · FCC · UKCA

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

Specifications

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)
1
Magnetic Isolation Protection
1.5 kV (built-in)
Standards
IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X)

Ethernet Software Features

Configuration Options
Web Console (HTTP/HTTPS) Windows Utility
Management
DHCP Option 82 HTTP IPv4 SMTP SNMPv1/v2c/v3 Syslog Telnet Web Console
Windows Real COM Drivers
Windows 11, 10, 8.1, 8, 7, Vista, XP, ME, 98 and 95 Windows Server 2022, 2019, 2016, 2012 R2, 2012, 2008 R2, 2008, 2003, 2000 and NT Windows Embedded CE 5.0 and 6.0, Windows XP Embedded
Linux Real TTY Drivers
Kernel Versions: 6.x, 5.x, 4.x, 3.x, 2.6.x and 2.4.x
Fixed TTY Drivers
macOS versions: 14, 13, 12, 11 and 10.1x SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Arm®-based Platform Support
Windows 11 Linux Kernel 6.x, 5.x and 4.x macOS 14, 13, 12 and 11
Virtual Machine
VMWare ESXi (Windows 11 / 10) VMware Fusion (Windows on macOS 14, 13, 12, 11 and 10.1x) Parallels Desktop (Windows on macOS 14, 13, 12, 11 and 10.1x)
Android API
Android 3.1.x and later
MIB
Device Settings MIB RFC1213, RFC1317
Security
HTTPS/SSL User Authentication Management: local database, RADIUS Secure Protocols: HTTPS (TLSv1.3), SSH, SNMPv3 Cryptography: HMAC, SHA-1, SHA-256, SHA-384, RSA-1024, AES-128, AES-256
Time Management
NTP Client SNTP Client

WLAN Interface

WLAN Standards
802.11a/b/g/n
Receiver Sensitivity for 802.11a (measured at 5.680 GHz)
Typ. -91 @ 6 Mbps Typ. -74 @ 54 Mbps
Receiver Sensitivity for 802.11b (measured at 2.437 GHz)
Typ. -92 dBm @ 1 Mbps Typ. -84 dBm @ 11 Mbps
Receiver Sensitivity for 802.11g (measured at 2.437 GHz)
Typ. -91 dBm @ 6 Mbps Typ. -73 dBm @ 54 Mbps
Receiver Sensitivity for 802.11n (2.4 GHz; measured at 2.437 GHz)
Typ. -89 dBm @ 6.5 Mbps (20 MHz) Typ. -71 dBm @ 72.2 Mbps (20 MHz)
Receiver Sensitivity for 802.11n (5 GHz; measured at 5.680 GHz)
Typ. -89 dBm @ 6.5 Mbps (20 MHz) Typ. -71 dBm @ 72.2 Mbps (20 MHz) Typ. -85 dBm @ 13.5 Mbps (40 MHz) Typ. -67 dBm @ 150 Mbps (40 MHz)
Modulation Type
DSSS OFDM
Transmission Distance
Up to 100 meters (in open areas)
Transmission Rate
802.11a/g: 54 Mbps 802.11b: 11 Mbps 802.11n: 6.5 to 150 Mbps
Transmitter Power for 802.11b
16±1.5 dBm @ 1 Mbps 16±1.5 dBm @ 11 Mbps
Transmitter Power for 802.11g
16±1.5 dBm @ 6 Mbps 14±1.5 dBm @ 54 Mbps
Transmitter Power for 802.11a
15±1.5 dBm @ 6 Mbps 14±1.5 dBm @ 54 Mbps
Transmitter Power for 802.11n (2.4 GHz)
16 dBm @ 1.5 Mbps (6.5 MHz) 12 dBm @ 1.5 Mbps (72.2 MHz)
Transmitter Power for 802.11n (5 GHz)
15 dBm @ 1.5 Mbps (6.5 MHz) 12 dBm @ 1.5 Mbps (150 MHz)
Frequency Band for CN (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. 5.745 to 5.825 GHz (5 channels)
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.
Frequency Band for JP (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.
Frequency Band for US (20 MHz operating channels)
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 (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. 5.745 to 5.825 GHz (5 channels)
Wireless Security
WEP encryption (64-bit and 128-bit) WPA/WPA2-Enterprise (IEEE 802.1X/RADIUS, TKIP, AES) WPA/WPA2-Personal
WLAN Modes
Infrastructure mode

Antenna Characteristics

Connector
RP-SMA (female)
Antenna Type
Omni-directional

Security Functions

Authentication
Local database RADIUS
Encryption
AES-128 AES-256 HMAC RSA-1024 SHA-1 SHA-256 SHA-384
Security Protocols
SNMPv3 SSHv2 HTTPS (TLS 1.3)
Wireless Security
WEP WPA/WPA2-Enterprise (IEEE 802.1X/RADIUS support EAP-TLS 1.3) WPA/WPA2-Personal
Hardware-based Security
Secure Boot

Serial Interface

Connector
DB9 male
No. of Ports
1
Serial Standards
RS-232 RS-422 RS-485
Operation Modes
Real COM mode TCP Server mode TCP Client mode UDP mode RFC2217 mode Pair Connection mode Ethernet Modem mode Disabled
Baudrate
300 bps to 921.6 kbps
Data Bits
5, 6, 7, 8
Stop Bits
1, 1.5, 2
Parity
None, Even, Odd, Space, Mark
Flow Control
None RTS/CTS XON/XOFF
RS-485 Data Direction Control
Automatic Data Direction Control (ADDC)
Pull High/Low Resistor for RS-485
1 kilo-ohm, 150 kilo-ohms
Terminator for RS-485
120 ohms
Surge
1 kV

Physical Characteristics

Housing
Metal
Installation
Desktop DIN-rail mounting (with optional kit) Wall mounting
Dimensions (with ears, without antenna)
100 x 111 x 26 mm (3.94 x 4.37 x 1.02 in)
Dimensions (without ears or antenna)
77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in)
Weight
185 g (0.41 lb)
Antenna Length
108 mm (4.25 in)

Environmental Limits

Operating Temperature
Standard Models: 0 to 55°C (32 to 131°F) Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature (package included)
-40 to 75°C (-40 to 167°F)
Ambient Relative Humidity
5 to 95% (non-condensing)

Power Parameters

Input Current
429 mA @ 12 VDC
Input Voltage
12 to 48 VDC

Standards and Certifications

EMC
EN 55032/35
EMI
CISPR 32, FCC Part 15B Class A
EMS
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 2 kV IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m IEC 61000-4-8 PFMF IEC 61000-4-11
Cybersecurity
EN 18031-1
Radio Frequency
CE (ETSI EN 301 893, ETSI EN 300 328, ETSI EN 301489-1/-17), MIC, KC, RCM, WPC
Safety
UL 62368-1 IEC 62368-1

Reliability

Alert Tools
RTC (real-time clock)
Automatic Reboot Trigger
Built-in WDT

MTBF

Time
1,356,464 hrs
Standards
Telcordia Standard SR-332

Warranty

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

Documentation

NameTypeVersionDate
Real TTY Linux Kernel 6.x Driver2.5 MBDriverv6.2Jan 22, 2026 Jan 22, 2026 Release notes
Real TTY Linux Kernel 4.x Driver650.0 KBDriverv4.4Jan 22, 2026 Jan 22, 2026 Release notes
Real TTY Linux Kernel 5.x Driver650.0 KBDriverv5.6Jan 22, 2026 Jan 22, 2026 Release notes
Moxa Windows Driver Manager (Windows 11 and Server 2022 and later, WHQL certified)11.9 MBDriverv4.5Jan 09, 2026 Jan 09, 2026 Release notes
Moxa Windows Driver Manager (Windows 7 to 10 and Windows Server 2008 R2 to 2019, WHQL certified)12.2 MBDriverv3.8Jan 09, 2026 Jan 09, 2026 Release notes
PComm Lite - Serial Communication Tool5.3 MBUtilityv1.9Dec 12, 2025 Dec 12, 2025 Release notes
Device Search Utility (installer)236.2 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Device Search Utility (portable)128.6 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Firmware for NPort W2150A-W4/W2250A-W4 Series21.9 MBFirmwarev1.5Jul 30, 2025 Jul 30, 2025 Release notes
Real TTY Linux Kernel 5.x Driver122.5 KBDriverv5.5Mar 12, 2025 Mar 12, 2025 Release notes
Real TTY Linux Kernel 6.x Driver121.7 KBDriverv6.1Sep 05, 2024 Sep 05, 2024 Release notes
Serial Device Server Driver for macOS (macOS 11.x to 14)6.3 MBDriverv1.3Sep 02, 2024 Sep 02, 2024 Release notes
Real TTY Linux Kernel 4.x Driver123.3 KBDriverv4.3Aug 07, 2024 Aug 07, 2024 Release notes
Real TTY drivers for Linux 3.x.x94.6 KBDriverv3.0Jul 04, 2024 Jul 04, 2024 Release notes
Serial Device Server Driver for macOS (macOS 10.1x to 14)689.8 KBDriverv1.2Nov 10, 2023 Nov 10, 2023 Release notes
Device Search Utility2.2 MBUtilityv2.7Jun 28, 2023 Jun 28, 2023 Release notes
Device Server Android API18.0 MBLibraryv1.1Dec 22, 2022 Dec 22, 2022 Release notes
Serial Device Server Driver for macOS (macOS 10.12 to 10.15) v1.1611.6 KBDriverv1.1Sep 26, 2022 Sep 26, 2022 Release notes
Moxa CLI Configuration Tool User Manual850.9 KBManualv2.5Feb 12, 2026
Device Search Utility v3.x User Manual2.8 MBManualv1.1Nov 17, 2025
Datasheet for NPort W2150A-W4/W2250A-W4 Series1.1 MBDatasheetv2.1Sep 12, 2025
Declaration of Conformity (cybersecurity) for NPort W2150A-W4/W2250A-W4 Series207.0 KBDeclarationv1.0Jul 30, 2025
Manual for NPort W2150A-W4/W2250A-W4 Series10.1 MBManualv1.3Jul 23, 2025
Tech Note: The Security Hardening Guide for NPort W2x50A-W4 Series647.6 KBTech Notev1.0Jul 22, 2025
FOSS Statement for Moxa PComm Lite Suite for Windows108.5 KBDeclarationv1.0Feb 07, 2025
Declaration of Conformity (EU/UK) for NPort W2150A-W4/W2250A-W4 Series338.9 KBDeclarationv1.0Jan 06, 2025
FOSS Statement for Moxa CLI Configuration Tool114.6 KBDeclarationv1.0Dec 10, 2024
FOSS Statement for NPort macOS driver108.4 KBDeclarationv1.0Oct 29, 2024
FOSS Statement for Device Search Utility161.8 KBDeclarationv1.0Jun 24, 2024
Tech Note: TCP Client Mode for NPort394.5 KBTech Notev2.0Jun 08, 2023
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms372.3 KBTech Notev2.0Jun 08, 2023
Tech Note: TCP Server Mode for NPort395.0 KBTech Notev2.0Jun 08, 2023
Tech Note: Accessing Multiple NPorts Behind NAT497.2 KBTech Notev2.0Jun 08, 2023
Tech Note: How to Configure NPort W2x50A/W2x50A-W4 to Connect to a Cisco 2100/2500/4400/5500/Flex 7500 Series Wireless LAN Controller1.0 MBTech Notev2.0Jun 08, 2023
Tech Note: Real COM mode for NPort479.5 KBTech Notev2.0Jun 08, 2023
Tech Note: UDP Mode for NPort397.2 KBTech Notev2.0Jun 08, 2023
Tech Note: Ethernet Modem Mode429.4 KBTech Notev2.0Jun 08, 2023
Tech Note: Creating WinXP Embedded System Image with Moxa MSB912.9 KBTech Notev2.0Jun 08, 2023
Tech Note: Fixed TTY Driver for NPort389.7 KBTech Notev2.0Jun 08, 2023
Tech Note: Reverse Telnet Mode for NPort364.5 KBTech Notev2.0Jun 08, 2023
Tech Note: Real TTY Driver for NPort379.2 KBTech Notev2.0Jun 08, 2023
Tech Note: Enabling Ethernet Bridge Mode on the NPort W2x50A with Cisco 2100/2500/4400/5500/Flex 7500 Series Wireless LAN Controllers889.2 KBTech Notev2.0Jun 08, 2023
Tech Note: Pair Connection Mode544.0 KBTech Notev2.0Jun 08, 2023
QIG for NPort W2150A-W4/W2250A-W4 Series2.4 MBQIGv1.1Jan 13, 2023
2D CAD for NPort W2150A-W4/W2250A-W4 Series (NPort W2150A-W4/W2250A-W4)1.6 MB2D CADJan 11, 2023
FOSS Statement for Moxa Windows Driver Manager255.8 KBDeclarationv1.0Aug 01, 2022
FOSS Statement for Moxa Linux Driver1.7 MBDeclarationv1.0May 01, 2022