Robustel R2120 Industrial Cellular PoE Router
Robustel R2120 Industrial Cellular PoE Router is backordered and will ship as soon as it is back in stock.
Robustel Cloud Manager Service — zero-touch provisioning, fleet monitoring, over-the-air updates and secure remote access, at no cost for the first 12 months. Note that RCMS can increase data usage, which is worth checking against your plan on metered SIMs. What RCMS does →
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Australian compliance
Australian compliance
Certifications are listed only where the manufacturer states them against this order code. RCM is never assumed. If an approval matters for your project, ask us and we will confirm it in writing with the factory before you specify it.
Ordering and freight
Ordering and freight
Prices are ex-GST. GST and freight are calculated at checkout. If your organisation raises purchase orders, add the PO number to the cart note and it will come through with the order.
Robustel R2120 Industrial Cellular PoE Router is backordered and will ship as soon as it is back in stock.
Manufacturer-published specifications
Every value below is traceable to the manufacturer's own published material for this order code. Where a figure is not published, the row is left out rather than estimated or borrowed from a similar model.
The R2120 is a ruggedised cellular router with integrated Power over Ethernet, intended to power and connect edge devices such as cameras and access points from a single unit. It combines 4G/LTE with a five-port gigabit switch (1 WAN + 4 LAN), four of which are 802.3af/at PoE-PSE sourcing ports supplying up to 30 W each. RS-485 serial, two digital inputs and two digital outputs are provided for field I/O.
Key features
- 4 x IEEE 802.3af/at PoE-PSE ports supplying up to 30 W per port
- 5 x 10/100/1000 Mbps Ethernet (1 WAN + 4 LAN) with 1 kV magnetic isolation
- 4G/LTE with 3G and 2G fallback, dual-SIM failover (2 x Mini SIM, 2FF)
- 1 x RS-485 (300-115200 bps) plus 2 x DI and 2 x DO, 3.75 kV opto-isolated
- Dual-band Wi-Fi 802.11 a/b/g/n/ac, 2x2 MIMO, AP and Client modes
- MT7621 880 MHz, 512 MB RAM, 32 MB flash; RobustOS with full SDK and RCMS
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Part number
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Ingress protection
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Min operating temp (°C)
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Max operating temp (°C)
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Power input
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Radio bands and standards4G/LTE, 3G, 2G, 2.4 GHz Wi-Fi, 5 GHz Wi-Fi
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Connectivity4G/LTE, 3G, 2G, Wi-Fi (2.4 GHz), Wi-Fi (5 GHz)
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Network and serial interfaces5 x 10/100/1000 Ethernet (1 WAN + 4 LAN), 4 x PoE-PSE 802.3af/at up to 30 W per port, 1 x RS-485, 2 x DI, 2 x DO (3.75 kV opto-isolated), SIM slot x2 (Mini SIM 2FF)
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Ports and connectorsGigabit Ethernet, PoE supply (PSE), RS-485, Digital I/O, Dual SIM
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MountingDIN rail, Wall
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Dimensions (mm)
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Weight (g)
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CertificationsRCM
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Datasheet
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Firmware portal
Prices are ex-GST. GST and freight are calculated at checkout.
Blank fields are deliberate. We publish the manufacturer's own figures and leave the rest out. If you need a value that isn't here, ask and we will get it from the factory rather than guess it.
Some lines are enquiry-only. Where an order code or an approval needs confirming before we sell it into Australia, the page carries a request-a-quote path instead of an add-to-cart button.
Purchase orders are welcome. Add your PO number to the cart note and it travels with the order.
Payment and purchasing
Payment methods
All prices are ex-GST. Add a purchase order number to the cart note if your organisation needs one on the invoice.






