OnCell 3120-LTE-1 Series

Features and Benefits

  • Low power consumption (40 mW in standby)
  • GuaranLink for reliable cellular connectivity
  • Dual cellular operator backup with dual-SIM
  • Rugged hardware design well suited for hazardous locations (ATEX Zone 2/IECEx)
  • VPN secure connection capability with IPsec, GRE, and OpenVPN protocols


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The OnCell 3120-LTE-1 Series is a set of reliable, secure, low power consumption LTE gateways with state-of-the-art global LTE Cat 1 coverage. These LTE cellular gateways provide reliable connections from remote serial and Ethernet devices to a cellular network so that your applications can be easily implemented for IIoT remote-access scenarios. With its efficient power saving features, the OnCell 3120-LTE-1 Series lowers power consumption to less than 40 mW when in standby mode which can be managed using schedules. To enhance industrial reliability, the OnCell 3120-LTE-1 features GuaranLink to ensure robust cellular connectivity.

Remote Access Gateway with VPN and Network Security

  • Managed by centralized IP management software, OnCell Central Manager

  • Secure and reliable VPN support with NAT/OpenVPN/GRE/IPsec functionality

  • Cybersecurity features based on IEC 62443-4-2

Industrial-grade Reliability

  • Rugged hardware design well suited for hazardous locations (ATEX, C1D2, IECEx)

  • GuaranLink for reliable cellular connectivity

  • -30 to 70°C wide operating temperature

  • Low power consumption: Less than 40 mW in standby mode


Cellular Interface
Cellular Standards LTE CAT-1, HSPA, UMTS, EDGE, GPRS, GSM
LTE Data Rate 10 MHz bandwidth: 10.2 Mbps DL, 5.2 Mbps UL
HSPA Data Rates 7.2 Mbps DL, 5.76 Mbps UL
Band Options (EU) LTE Band 1 (2100 MHz) / LTE Band 3 (1800 MHz) / LTE Band 8 (900 MHz) / LTE Band 20 (800 MHz) / LTE Band 28 (700 MHz)
UMTS/HSPA 2100 MHz / 900 MHz
GSM 900 MHz / 1800 MHz
Band Options (AU) LTE Band 3 (1800 MHz) / LTE Band 5 (850 MHz) / LTE Band 8 (900 MHz) / LTE Band 28 (700 MHz)
UMTS/HSPA 2100 MHz / 850 MHz / 900 MHz
No. of SIMs 2
Cellular Antenna Connectors 2 SMA female
Ethernet Interface
10/100BaseT(X) Ports (RJ45 connector) 2
USB Interface
No. of USB Ports 1
USB Connector USB Type A
USB Standards USB 2.0
Serial Interface
No. of Ports 1
Connector DB9 male
Serial Standards RS-232/422/485
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Baudrate 75 bps to 921.6 kbps
Console Port RS-232 (TxD, RxD, GND), 4-pin header output (115200, n, 8, 1)
Serial Signals
RS-422 Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w Data+, Data-, GND
RS-485-4w Tx+, Tx-, Rx+, Rx-, GND
Ethernet Software Features
Management OnCell Central Manager, GuaranLink, DHCP server, DDNS, ARP, Telnet, TCP/IP, UDP, SMTP, Remote SMS Control, Syslog, SNMPv1/v2c/v3, Serial Console, Telnet Console, Web Console, Wireless Search Utility
Firewall Filter: MAC, IP protocol, port-based, Access IP list
Routing NAT, Port forwarding
Security HTTPS
Time Management SNTP Client
Authentication PSK/X.509/RSA
Encryption DES, 3DES, AES, MD5, SHA-1, DH2, DH5
Concurrent VPN Tunnels 5
OpenVPN OpenVPN (client and server), Tunnel mode (routing) and TAP mode (bridge)
Encryption Blowfish CBC, DES CBC, DES-EDE3 CBC, AES-128/192/256 CBC
Concurrent VPN Tunnels 5
Power Parameters
Input Current 0.8 A (max.)
Input Voltage 9 to 36 VDC
Power Consumption 5 W (typ.)
Power Connector Terminal block
Reverse Polarity Protection Supported
Power Button Reset button
Physical Characteristics
Housing Metal
IP Rating IP30
Dimensions 128.5 x 26 x 89.1 mm (5.06 x 1.02 x 3.51 in)
Weight 550 g (1.22 lb)
Installation DIN-rail mounting, Wall mounting (with optional kit)
Environmental Limits
Operating Temperature Standard Models: 0 to 55°C (32 to 131°F)
Wide Temp. Models: -30 to 70°C (-22 to 158°F)
Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications
EMC EN 55032/24, EN 61000-6-2/-6-4
EMI CISPR 22, FCC Part 15B Class A
EMS IEC 61000-4-6 CS: 10 V; 150 kHz to 80 MHz
IEC 61000-4-8: 30 A/m
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
Freefall IEC 60068-2-32
Hazardous Locations ATEX, IECEx, Class I Division 2
Radio Frequency FCC, PTCRB
Cellular Standards EN 301489-1/17
EN 301511
EN 301908-1
AS/CA S042
EN 62311(MPE SAR)
Safety UL 60950-1, UL 62368-1
Shock IEC 60068-2-27
Vibration IEC 60068-2-6
Time 585,775 hrs
Standards Telcordia SR332
Warranty Period 5 years
Details See www.moxa.com/warranty