FL WLAN 4321

Product ID:21860
Updated: 2026/4/3
Phoenix Contact FL WLAN 4321

Key Features

  • 1High-Speed Communication: Wireless Ethernet communication up to 300 Mbps.
  • 2IP67 Protection: Rugged design with IP67 protection for harsh environments.
  • 3Easy Deployment: Simple setup with built-in alignment LEDs.
  • 4Point-to-Point Connectivity: Pre-configured for point-to-point connections up to two miles.
  • 5Powerful Power Supply: Powered by passive PoE (8-30VDC) for reliable operation.
Product Details
FL WLAN 4321
Phoenix Contact

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Note on application
Only for industrial use
Product type
Wireless module
Type
Stand-Alone
Number
1
Type
IEEE 802.11 b/g/n 5 GHz to 300 Mbps
Assembly note
Permanently installed
Supply voltage
120 V AC (converted to 24 V DC via passive POE adapter (included))
Current consumption
417 mA (maximum (at 24 V))
Power consumption
11 W (maximum (at 24 V))
Number
1
Connection method
permanently installed
Note on the connection method
Dual polarized: Horizontal and vertical
Gain
11 dBi
Security
256-bit AES-CCM Encryption WPA2
Wireless licenses
USA, Canada
Country support
USA Canada
Number of interfaces
1 ()
Connection method
RJ45
Note on the connection method
Auto negotiation and autocrossing
Transmission speed
10/100/1000 Mbps
Transmission physics
Copper
Number of interfaces
1 ()
Designation
Wireless LAN
Antenna connection method
(Internal)
Frequency band
5 GHz
Wireless standard
IEEE 802.11 (Wi-Fi Alliance) b (Wi-Fi 1) g (Wi-Fi 3) n (Wi-Fi 4)
Number of wireless interfaces
1 IEEE 802.11 b/g/n
Wireless modules that can be connected
1 ()
Width
185 mm
Height
63.5 mm
Depth
185 mm
Note on dimensions
Outside dimensions
Color
white
Housing material
Polystyrene
Degree of protection
IP67
Ambient temperature (operation)
-40 °C ... 75 °C
Ambient temperature (storage/transport)
-45 °C ... 85 °C
Permissible humidity (operation)
5 % ... 95 % (non-condensing)
Permissible humidity (storage/transport)
5 % ... 95 % (non-condensing)
Standards/regulations
FCC Part 15B
Test result
Class A
Standards/regulations
FCC Part 15C
Mounting type
Mast mounting
Assembly note
Internal antenna

Specifications may be subject to change without notice