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| Type: | Development Board |
| Trademark: | Lantronix |
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Lantronix G520-series 4G LTE Cat 4 and 5G cellular gateways are designed to address challenges in Industry 4.0, security, and transportation markets with three/four separate gateways all based on an unnamed ARM926EJ-S-based CPU running at 600 MHz that's most likely Microchip SAM9X60 processor introduced in 2020.
All gateways are from the same base with variation for specific markets:
G526 Industrial Gateway with LTE Cat 4 Ethernet, Serial, I/O, Fieldbus conversion, and other industrial protocols
G527/G528 Security Gateway with LTE Cat 13 or 5G, built-in cryptographic secure element and PSE-PoE
Lantronix G520-series specifications:
SoC - ARM926EJ-S-based processor running at 600 MHz with 32 KB instruction cache and 32KB data cache
System Memory - 256MB DDR2 SDRAM
Storage - 8MB SPI flash for OS, 256MB parallel NAND flash, MicroSD slot, or USB flash drive for user data storage
LTE Cat. 4 with 3G and, depending on the regional variant, 2G fall-back modes on industrial pack
LTE Cat 13 (uplink) / 7 (downlink) with 3G fall-back mode on security pack
5G, Sub-6 GHz with both LTE Cat. 13 (uplink) / Cat. 20 (downlink) and 3G fall-back modes
Dual SIM / Single standby via two mechanically secure mini-SIM holders OR MFF2 SIM(s) combination of (i) 'MFF2 + mini'; or (ii) 'mini + MFF2'; or (iii) 'MFF2 + MFF2' SIMs, substituted for the standard two mini-SIM trays.
2T2R Wi-Fi 5 via an RP-SMA antenna connector
Bluetooth 5.1 via Wi-Fi's rightmost RP-SMA antenna connector
Optional 2T2R WiFi6/6E
Dual 10/100M Ethernet with 1x LAN RJ45 port and 1x WAN RJ45 port user-reconfigurable as second LAN port
Qualcomm IZat location services, Gen. 8c/9c or u-blox M8 (transport pack)
Concurrent GPS and GLONASS (security gateway 5G model)
USB - 1x USB Type-A host port
RS-232 full via DB9 connector
RS-485 via 5-pin COMBICON header
2x IOs with common ground via a 3-pin COMBICON header and a tool-less plug configurable as analog input or digital output
Input: 0V ~ 2.5V DC (Zero); 3V to 50V DC (One)
Output: open collector; 200 mA max.; 50V DC max.
Sensor - 3-axis accelerometer (STMicroelectronics LIS331DLH)
HW Security - Microchip ATECC608 secure element on security variant
9x LEDs for power, connectivity, some user-programmable
RTC with 100-day data retention period, approximately 15 mWh lithium manganese battery (not functional below -20°C)
Input voltage - 10.8 to 60V DC via 3-pin Nano-Fit header
PSE-PoE+ for Security pack only (30W per LAN port)
"Last Gasp" with about 100 seconds of power via 2 96 mWh Li-ion batteries (not functional below -10°C)
Digital Input (Ignition) on the third pin of the 3-pin header
Dimensions - 131.5 x 81.27 x 25 mm without connectors (Brushed aluminum alloy enclosure)
Weight - About 300 grams
Operating: -30°C tp +70°C; up to 95% RH
Storage: -40°C to +85 °C; up to 95% RH
Each gateway comes pre-configured with Lantronix's ConsoleFlow cloud-based device management and comes with a web-based user interface to configure networking (WiFi, Ethernet, Cellular, VPN, routing…), security (firewall, VLAN, SIM pin, etc..) , and industrial communication protocols that include EtherCAT, DLMS client, DNP3 Outstation, Modbus master, IEC104 slave, and IEC 101 master.
While not specified in the description, Lantronix G520-series cellular IoT gateways clearly run OpenWrt as the company offers a G520 SDK to create custom packages and build custom firmware images, and the documentation assumes that "you have a computer running a supported Linux distribution (or VM) and are familiar with the OpenWrt build system and the Lantronix Web Admin for configuring G520 series devices."
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