O-Ring IMG-4312-MN Industrial IOT Gateway

  • Provide 2×10/100Base-T(x) port and single SIM card slot
  • High Speed Air Connectivity: WLAN interface support 802.11 b/g/n up to 150Mbps link speed
  • Support Open VPN, PPTP VPN
  • Support DHCP forwarding through PPTP function
  • Versatile modes & event alarm by e-mail.
  • Event warning by Syslog, Email, SNMP Trap
  • Support DNP 3 and MQTT
  • Redundant multiple host devices
  • 5 host devices: Virtual COM, TCP Server, TCP Client mode, UDP mode(4 IP Ranges)
  • 12~48VDC power input on terminal block
  • 1KV isolation for PoE P.D. (IMG-4312+-CM)
  • Rigid IP-30 housing design
  • Din-Rail and panel mounting enabled.
  • Support OpenWRT SDK for project

The IMG-4312 LPWAN series is a 1 port RS-232/422/485 and LTE LPWAN IoT Gateway with 2 x 10/100Base-T(X) ports. The IMG-4312 IOT Gateway also provides IEEE802.11 b/g/n WiFi interface which has 150Mbps link speed. It can be configured to connect to the internet by dial up LTE Cat-M1/CAT-NB1 cellular modem to fulfill demands of various applications.

In addition to this the IMG-4312 can also transfer data into 5 host PCs simultaneously for backup purposes. It also provides P.D. feature on ETH1 port which is fully compliant with IEEE802.3af PoE P.D. specification.

SpecificationIMG-4312+-M1IMG-4312+-MN
10/100 Base-T(X) Ports in RJ45 Auto MDI/MDIX22
PoE P.D PortP.O.E.Present at ETH1 Power Device (IEEE 802.3af):
IEEE 802.3af compliant input interface
Over load & short circuit protection
Isolation Voltage: 1000 VDC min.
Isolation Resistance : 108 ohms min
P.O.E.Present at ETH1 Power Device (IEEE 802.3af):
IEEE 802.3af compliant input interface
Over load & short circuit protection
Isolation Voltage: 1000 VDC min.
Isolation Resistance : 108 ohms min
SIM card slot11
Antenna Connector1 x RP-SMA Female1 x RP-SMA Female
ModulationIEEE802.11b: CCK/DQPSK/DBPSK
IEEE802.11g: OFDM
IEEE802.11n: BPSK, QPSK, 16-QAM, 64-QAM
IEEE802.11b: CCK/DQPSK/DBPSK
IEEE802.11g: OFDM
IEEE802.11n: BPSK, QPSK, 16-QAM, 64-QAM
Frequency BandAmerica / FCC:
2.412~2.462 GHz (11 channel )
Europe CE / ETSI:
2.412~2.472 GHz (13 channels)
America / FCC:
2.412~2.462 GHz (11 channels)
Europe CE / ETSI:
2.412~2.472 GHz (13 channels)
Transmission Rate802.11b: 1/2/5.5/11 Mbps
802.11g: 6/9/12/18/24/36/48/54 Mbps
802.11n(40MHz): Up to 150 Mbps
802.11b: 1/2/5.5/11 Mbps
802.11g: 6/9/12/18/24/36/48/54 Mbps
802.11n(40MHz): Up to 150 Mbps
Transmit Power802.11b: 19dBm ±1.5dBm
802.11g: 17dBm ±1.5dBm
802.11n(2.4G@20MHz): 16dBm ±1.5dBm
802.11n(2.4G@40MHz): 14dBm ±1.5dBm
802.11b: 19dBm ±1.5dBm
802.11g: 17dBm ±1.5dBm
802.11n(2.4G@20MHz): 16dBm ±1.5dBm
802.11n(2.4G@40MHz): 14dBm ±1.5dBm
Receiver Sensitivity802.11b: -90dBm ±2dBm@1Mbps
802.11g: -72dBm ±2dBm@54Mbps
802.11n(2.4G@40MHz,MCS7): -68dBm ±2dBm
802.11b: -90dBm ±2dBm@1Mbps
802.11g: -72dBm ±2dBm@54Mbps
802.11n(2.4G@40MHz,MCS7): -68dBm ±2dBm
Encryption SecurityWEP: (64-bit ,128-bit key supported)
WPA/WPA2 :802.11i(WEP and AES encryption)
WPA-PSK (256-bit key pre-shared key supported)
802.1X Authentication supported
TKIP encryption
WEP: (64-bit ,128-bit key supported)
WPA/WPA2 :802.11i(WEP and AES encryption)
WPA-PSK (256-bit key pre-shared key supported)
802.1X Authentication supported
TKIP encryption
ConnectorDB9 x 1DB9 x 1
Operation ModeRS-232/422/485RS-232/422/485
Serial Baud Rate110 bps to 115.2 Kbps110 bps to 115.2 Kbps
Data Bits7, 87, 8
Parityodd, even, none, mark, spaceodd, even, none, mark, space
Stop Bits1, 1.5, 21, 1.5, 2
RS-232TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GNDTxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND
Flow ControlXON/XOFF, RTS/CTS, DTR/DSRXON/XOFF, RTS/CTS, DTR/DSR
ProtocolICMP, IP, TCP, UDP, DHCP, BOOTP, SSH, DNS, SNMP V1/V2c, HTTPS, SMTP, DDNS, PPPoEICMP, IP, TCP, UDP, DHCP, BOOTP, SSH, DNS, SNMP V1/V2c, HTTPS, SMTP, DDNS, PPPoE
Power Indicator3 x LEDs, PWR 1(2)(PoE)
Green On: Power is on
3 x LEDs, PWR 1(2)(PoE)
Green On: Power is on
10/100TX RJ45 port indicator2 x LEDs, Green for port Link/Act at 100Mbps.2 x LEDs, Green for port Link/Act at 100Mbps.
Serial TX / RX LEDsRed: Serial port is receiving data
Green: Serial port is transmitting data
Red: Serial port is receiving data
Green: Serial port is transmitting data
WiFi LED1 x LED, Green: WIFI Link /ACT1 x LED, Green: WIFI Link /ACT
WAN LED1 x LED, Green On : Power is on and functioning Normal1 x LED, Green On : Power is on and functioning Normal
Input PowerDual DC inputs. 12-48VDC on 6-pin terminal blockDual DC inputs. 12-48VDC on 6-pin terminal block
Power Consumption (Typ.)3 W3.5 W
EnclosureIP-30IP-30
Dimensions (W x  D x H)45 x 80.6 x 95 mm45 x 80.6 x 95 mm
Weight368 g372 g
Storage Temperature-40 to 85°C-40 to 85°C
Operating Temperature-10 to 60°C-10 to 60°C
Operating Humidity5% to 95% Non-Condensing5% to 95% Non-Condensing
EMIFCC Part 15, CISPR (EN55022) class AFCC Part 15, CISPR (EN55022) class A
EMS EN61000-4-2 (ESD)
EN61000-4-3 (RS)
EN61000-4-4 (EFT)
EN61000-4-5 (Surge)
EN61000-4-6 (CS)
EN61000-4-8
EN61000-4-11
EN61000-4-2 (ESD)
EN61000-4-3 (RS)
EN61000-4-4 (EFT)
EN61000-4-5 (Surge)
EN61000-4-6 (CS)
EN61000-4-8
EN61000-4-11
ShockIEC60068-2-27IEC60068-2-27
Free FallIEC60068-2-32IEC60068-2-32
VibrationIEC60068-2-6IEC60068-2-6
SafetyEN60950-1EN60950-1
Warranty5 years5 years