IIoT Communication Server
UA-2200 / UA-2600 / UA-2800 / UA-5200 Series (Linux Kernel Inside): Built-in OPC UA Server and MQTT Broker/Client Service
Model OS CPU SDRAM Flash Non-Volatile Memory microSD Card Ethernet Port USB
Port
RS-232/
RS-485
Port Expansion Wireless
UA-2841M Linux Kernel 4.1.15 ARM Quad-core CPU,
1.6 GHz/Core
DDR3
1 GB
8 GB FRAM 64 KB
MRAM 128 KB
4 GB
(Max. 32 GB
microSDHC
or 2 TB microSDXC)
2 2 4
(Isolated
RS-485
x 2)
1
(*1)
-
UA-2841M-4GE 4G
(*2)
UA-2841M-4GC
UA-2641M Linux Kernel 4.1.15 ARM Quad-core CPU,
1.0 GHz/Core
DDR3
1 GB
8 GB FRAM 64 KB
MRAM 128 KB
4 GB
(Max. 32 GB
microSDHC
or 2 TB microSDXC)
2 2 4
(Isolated
RS-485
x 2)
1
(*1)
-
UA-2241M Linux Kernel 3.2.14 ARM CPU,
1.0 GHz
DDR3 512 MB 512 MB FRAM 64 KB 4 GB
(Max. 32 GB
microSDHC)
2 2 4
(Isolated
RS-485
x 2)
1
(*1)
-
UA-2241MX-4GE 4G
(*2)
UA-2241MX-4GC
UA-5231 Linux Kernel 3.2.14 ARM CPU,
1.0 GHz
DDR3 512 MB 8 GB FRAM 64 KB 4 GB
(Max. 32 GB
microSDHC)
1 1 4
(Isolated
RS-485
x 2)
- -
UA-5231M
UA-5231M-3GWA 3G
UA-5231M-4GE 4G
(*2)
UA-5231M-4GC
*1. UA-2200/2600/2800 Series supports one optional XV-board (ex: XV511i). 
*2. 4G System Note:
       UA-2241MX-4GE: Support 4G LTE (FDD) Communication (Asia Only, Except China)
       UA-2241MX-4GC/UA-5231M-4GC: Support 4G LTE (FDD, TDD) Communication (For China only)