OnCell G4308-LTE4 Series

8-port industrial LTE Cat. 4 secure cellular routers

moxa-oncell-g4308-lte4-series-image-1-(1).jpg | Moxa

moxa-oncell-g4308-lte4-series-image-2-(1).jpg | Moxa

moxa-oncell-g4308-lte4-series-image-3-(1).jpg | Moxa

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moxa-oncell-g4308-lte4-series-image-5-(1).jpg | Moxa

Features and Benefits

Integrated LTE Cat. 4 module with global band support
Cellular link redundancy with dual-SIM GuaranLink support
Supports WAN redundancy between cellular and Ethernet
Support MRC Quick Link Ultra for centralized monitoring and remote access to the on-site devices
Supports serial TSC (Traffic Signal Controller) communication for SCATS (Sydney Coordinated Adaptive Traffic System)
Power management support for wake-up time scheduling or digital input signals, suitable for vehicle ignition systems
Examine industrial protocol data with Deep Packet Inspection (DPI) technology
Rugged and compact design for harsh environments

Certifications

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Introduction

The OnCell G4308-LTE4 Series is a reliable and powerful secure cellular router with global LTE coverage. This router provides reliable data transfers from serial and Ethernet to a cellular interface that can be easily integrated into legacy and modern applications. WAN redundancy between the cellular and Ethernet interfaces guarantees minimal downtime, while also providing extra flexibility. To enhance cellular connection reliability and availability, the OnCell G4308-LTE4 Series features GuaranLink with dual SIM cards. Moreover, the OnCell G4308-LTE4 Series features dual power inputs, high-level EMS, and a wide operating temperature for deployment in demanding environments. Through the power management function, administrators can set up schedules to fully control the OnCell G4308-LTE4 Series’ power usage and minimize power consumption when idle to save cost.

Designed for robust security, the OnCell G4308-LTE4 Series supports Secure Boot to ensure system integrity, multi-layer firewall policies for managing network access and traffic filtering, and VPN for secure remote communications.

Highly Integrated Industrial Cellular Routers

Integrated LTE Cat. 4 module with global band
8 Gigabit ports with managed Layer 2 switch functions
Supports serial devices with the 3-in-1 RS232/422/485 port
Supports MRC Quick Link Ultra for remote access and is easy to configure. For more information, please visit Secure Remote Access (https://www.moxa.com/en/products/industrial-network-infrastructure/secure-remote-access/moxa-remote-connect-suite).

Defend Against Malicious Threats With Advanced Cybersecurity Features

Secure boot for system integrity and to protect against tampering attacks
VPN functionality for secure and encrypted data communication
Firewall policies to protect the internal network from unauthorized access and DoS attacks
Network Address Translation (NAT) provides IP privacy between trusted and untrusted networks
Deep Packet Inspection (DPI) examine the data portion of network packets for various OT-specific protocols

Industrial-grade Reliability

Dual power inputs for power redundancy
GuaranLink and dual SIM card support for reliable cellular connectivity
-30 to 70°C wide operating temperature

MX-ROS Addresses Growing Cybersecurity Threats

Moxa’s MX-ROS is a software platform for industrial security routers and firewalls. The platform supports robust security and user-friendly operation of secure routers through simplified web and CLI interfaces. MX-ROS devices offer a wealth of the latest cross-industry Operational Technology (OT) network management features with each release to safeguard your hardware and software.

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Cellular Standards

LTE CAT 4, HSPA, UMTS
LTE Data Rate

20 MHz bandwidth: 150 Mbps DL, 50 Mbps UL
Band Options (GL)

GL(-T) models:
LTE B1 (2100 MHz) / B2 (1900 MHz) / B3 (1800 MHz) / B4 (1700/2100 MHz (AWS)) / B5 (850 MHz) / B7 (2600 MHz) / B8 (900 MHz) / B12 (700 MHz) / B13 (700 MHz) / B14 (700 MHz) / B20 (800 MHz) / B25 (1900 MHz) / B26 (850 MHz) / B28 (700 MHz)

UMTS/HSPA
B1 (2100 MHz) / B2 (1900 MHz) / B4 (1700 MHz(AWS)) / B5 (850 MHz) / B6 (800MHz) / B8 (900 MHz) / B19 (800 MHz)
No. of SIMs

2 Push-eject tray type
SIM Format

Nano SIM
Cellular Antenna Connectors

2 SMA female

10/100/1000BaseT(X) Ports (RJ45 connector)

8

GNSS Bands

GPS (1575.42 MHz)
GLONASS (1597.52 MHz)
Galileo (1575.42 MHz)
BeiDou (1561.098 MHz)
GNSS Antenna Connectors

1 SMA female

Digital Output Channels

1
Relay output with current carrying capacity of 1 A @ 24 VDC
Digital Input Channels

1
Digital Inputs

0 to +3 V for state 0
+9 to +36 V for state 1
Buttons

Reset button

No. of USB Ports

1
USB Connector

USB Type A
USB Standards

USB 2.0 For use by ABC-02.

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
Baudrate

300 bps to 921.6 kbps
Console Port

RS-232 (TxD, RxD, GND), USB type-C (115200, n, 8, 1) We recommend using the Moxa CBL-USBCF9-GY-150 console cable, which can be purchased separately.

RS-232

TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422

Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w

Data+, Data-, GND
RS-485-4w

Tx+, Tx-, Rx+, Rx-, GND

Standards

Real COM mode
RFC2217 mode
SCATS
TCP Client mode
TCP Server mode
UDP mode

LED Indicators

PWR1, PWR2, STATE, USB, SIM1, SIM2, CELL, LTE, GNSS, SERIAL, VPN

Management

Back Pressure Flow Control
GuaranLink
LLDP
Moxa Remote Connect (MRC)
MXconfig
MXsecurity To be released in Q4 2025.
MXview One
Power Management
Remote SMS Control
Syslog
Broadcast Forwarding

IP directed broadcast, broadcast forwarding
Configuration Options

Serial Console We recommend using the Moxa CBL-USBCF9-GY-150 console cable, which can be purchased separately.
Web Console (HTTP/HTTPS)
Command Line Interface (CLI) through Serial/Telnet/SSH
Network Protocols

DDNS
DHCP Server/Client
SMTP
SNMPv1/v2c/v3
ARP
Telnet
TCP/IP
UDP
Filter

802.1Q VLAN
Port-based VLAN
Unicast Routing

Static Route
Multicast Routing

Static Route
Routing Redundancy

VRRP
Time Management

NTP Server/Client
SNTP

Hardware-based Security

Secure Boot
Password

User-level password protection
Authentication

Local database
RADIUS
Access Control List

Filter

DDoS
Ethernet protocols
ICMP
IP address
MAC address
Ports
DPI

Features

1-to-1
N-to-1
PAT
NAT loopback
Double NAT

Authentication

MD5 and SHA (SHA-256)
RSA (key size: 1024-bit, 2048-bit)
Pre-shared Key or X.509 v3 certificate
Encryption

DES
3DES
AES-128
AES-192
AES-256
Concurrent VPN Tunnels

Max. 15 IPsec VPN tunnels
Protocols

IPsec

OpenVPN

OpenVPN (client)
Encryption

AES-128/192/256 CBC
AES-128/192/256 GCM
CHACHA20-POLY1305

Input Current

1.16 A (max.)
Input Voltage

12 to 48 VDC
Power Consumption

47 mW at 12 V (idle)
11.05 W at 12 V (typ.)
14.28 W at 48 V (max.)
Power Connector

Screw-locked terminal block
Reverse Polarity Protection

Supported

Housing

Metal
Dimensions

125 x 58.2 x 100 mm (4.92 x 2.29 x 3.94 in)
Weight

707 g (1.56 lb)
Installation

DIN-rail mounting
Wall mounting (with optional kit)
IP Rating

IP40 With the rubber SIM slot cover closed.

Operating Temperature

Standard Models: -10 to 55°C (14 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)

EMC

EN 55032/35
EN 61000-6-2/-6-4
CISPR 32/35
EMI

ICES-003, FCC Part 15B Class A
EMS

IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV (level 4) This device demonstrates a capacity that exceeds the requirements set by certification standards.
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m (level 3); 1.8, 2.6, 3.5, 5GHz: 3V/m (level 2)
IEC 61000-4-4 EFT: Power: 2 kV; IO: 1 kV (level 3) This device demonstrates a capacity that exceeds the requirements set by certification standards.
IEC 61000-4-5 Surge: Power: Power: 2 kV, Signal: 2 kV (level 3) This device demonstrates a capacity that exceeds the requirements set by certification standards.
IEC 61000-4-6 CS: 0.15 MHz to 80 MHz; Signal: 10 V (level 3)
IEC 61000-4-8: 30 A/m (level 4)
Freefall

IEC 60068-2-32
Radio Frequency

FCC ID RI7LE910CXWWX
EN 303 413
Radio

RCM
IC: 5131A-LE910CXWWX
UKCA
Cellular Standards

EN 301 489-1/-19 (GPS)
EN 301 489-1/-52 (WCDMA/LTE)
EN 301 511
EN 301908-1/-2/-13
Safety

UL 62368-1
EN 62368-1
Shock

IEC 60068-2-27
Vibration

IEC 60068-2-6

Time

1,533,742 hrs
Standards

Telcordia Standard SR-332

Warranty Period

5 years
Details

See www.moxa.com/warranty

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Software, Firmware, and Drivers

Name	Type	Checksum	Version	Operating System	Release Date
Firmware for OnCell G4308-LTE4 Series 97.8 MB	Firmware	1BBDDF024C5DF0B29F0E53684005D29C54820AB35C794298A745FC526A119B1754F9A9FF7E9324B0BD5C976E7518DA9C02A8C5AF63B1E43F90153941EC603131 SHA-512	v3.18.0		Aug 07, 2025 Aug 07, 2025 Release notes
MIB file for OnCell G4300-LTE4 Series 201.9 KB	Software Package	DAF677B92CFC7A630C1DE7BCF45AC8C86FE5021DDB1D685AE653FCB9230E797DE07FB55B501779C6AE90B2A4C0F3E1810031363ABE2AEB3404339263DC86FCA0 SHA-512	v3.18.0		Jul 31, 2025 Jul 31, 2025 Release notes

Support Documents

Name	Type	Version	Release Date
QIG for OnCell G4308-LTE4 Series 2.3 MB	QIG	v1.0	Aug 08, 2025 Aug 08, 2025
Declaration of Conformity (cybersecurity) for OnCell G4308-LTE4 Series 204.0 KB	Declaration	v1.0	Aug 07, 2025 Aug 07, 2025
FOSS Statement for OnCell G4300-LTE4 Series 201.9 KB	Declaration	v3.18	Jul 31, 2025 Jul 31, 2025
Datasheet for OnCell G4308-LTE4 Series 1.2 MB	Datasheet	v1.0	Jul 23, 2025 Jul 23, 2025

Available Models (2)

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	Compare OnCell G4308-LTE4-GL	Compare OnCell G4308-LTE4-GL-T
LTE Band	B1 (2100 MHz) / B2 (1900 MHz) / B3 (1800 MHz) / B4 (1700/2100 MHz (AWS)) / B5 (850 MHz) / B7 (2600 MHz) / B8 (900 MHz) / B12 (700 MHz) / B13 (700 MHz) / B14 (700 MHz) / B20 (800 MHz) / B25 (1900 MHz) / B26 (850 MHz) / B28 (700 MHz)	B1 (2100 MHz) / B2 (1900 MHz) / B3 (1800 MHz) / B4 (1700/2100 MHz (AWS)) / B5 (850 MHz) / B7 (2600 MHz) / B8 (900 MHz) / B12 (700 MHz) / B13 (700 MHz) / B14 (700 MHz) / B20 (800 MHz) / B25 (1900 MHz) / B26 (850 MHz) / B28 (700 MHz)
Operating Temp.	-10 to 55°C	-30 to 70°C
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