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Forecr MILBOX-ORNX-NANO4 NVIDIA Jetson Orin Nano 4GB Rugged Military Computer with IP67 Sealing

The MILBOX-ORNX-NANO4 is the entry rugged military computer in the Forecr MILBOX-ORNX series, built on the NVIDIA Jetson Orin Nano 4GB module. It keeps the full I/O, IP67 sealing and 1.9 kg enclosure of its siblings with the smallest memory of the range, suiting small drones, sensor pods and single-camera detection.

  • Jetson Orin Nano 4GB: The NVIDIA Jetson Orin Nano 4GB module with LPDDR5 memory handles single-model detection, classification and telemetry processing on the payload.
  • Super Mode Support: Forecr lists Super Mode support for Orin Nano modules, so the module can run in NVIDIA’s higher-performance power profile under JetPack.
  • Compact 1.9 kg Enclosure: The 180.5 x 131 x 111 mm enclosure weighs 1.9 kg, fitting payload bays on drones, UAVs and small ground vehicles.
  • Vehicle and Field I/O: Two Gigabit Ethernet, two CAN bus, two RS-232/422/485 and two USB 3.0 ports connect autopilots, sensors and vehicle networks.
  • Military Power and Sealing: A 9-40 VDC input and design to MIL-STD-461G, MIL-STD-1275E, MIL-STD-704F, DO-160G and IP67 support airborne and vehicle use.
Operating Software: LinuxLinux
USB Generation: USB3USB3
M.2: 33x M.2
Connectivity: 4G4G
Connectivity: 5G5G
Connectivity: WirelessWi-Fi
 NVMe: NVMe SSD SupportNVMe SSD
Thermal Dissipation: FanlessFanless
Operating Temperature: Extended TemperatureExtended Temp
UK Support Team: +44 (0)1785 558 300 Call
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MILBOX-ORNX-NANO4 Overview

Small unmanned systems carry strict limits on weight and power, yet the payload still needs a computer that can run vision models next to the camera. The MILBOX-ORNX-NANO4 is the entry rugged military computer in the Forecr MILBOX-ORNX series, pairing an NVIDIA Jetson Orin Nano 4GB module with a sealed 1.9 kg enclosure that fits drone, UAV and sensor pod payloads.

The Jetson Orin Nano 4GB carries 4GB of LPDDR5 memory, and the datasheet lists Super Mode support for the Orin Nano family under JetPack. That suits a single detection or classification model, telemetry processing and lightweight sensor fusion on one camera stream. The MILBOX-ORNX-NANO4 supports Ubuntu 20.04 or 22.04 with JetPack 5.x or 6.x, the same base as the Orin NX builds, so applications can move between modules in the range.

On the MILBOX-ORNX-NANO4, I/O covers two Gigabit Ethernet ports, two USB 3.0 ports, two RS-232/422/485 ports, an RS-232 debug port, two CAN bus ports and one HDMI output. M.2 Key-M 2280 and 2230 sockets take NVMe storage, and an M.2 Key-B socket with a SIM slot accepts LTE or 5G modules, convertible to Key-E for WiFi and Bluetooth. A camera expansion connector links the module’s CSI interfaces to an adapter board, and four HD-BNC coax connectors on the rear take Forecr’s optional 4x GMSL2 camera inputs. Power comes from a 9-40 VDC input with 28 VDC nominal and a military-grade filter stage.

Forecr built this rugged military computer for defence, aerospace, drone and autonomous vehicle work. The 180.5 x 131 x 111 mm enclosure is designed to meet MIL-STD-461G, MIL-STD-1275E, MIL-STD-704F, DO-160G and IP67, with a datasheet ambient range of -25°C to +85°C. Where a payload needs more memory on the same carrier, the MILBOX-ORNX-NANO8 doubles it to 8GB.

MILBOX-ORNX-NANO4 Specifications

Overview
Brand & ModelForecr MILBOX-ORNX-NANO4
FeaturesGPU
Rugged
Waterproof
Performance
AI Performance20 TOPS
System-on-ModuleNVIDIA Jetson Orin Nano 4GB: 20 TOPS, 512-core Ampere GPU with 16 Tensor Cores, 6-core Arm Cortex-A78AE 1.5GHz, 4GB 64-bit LPDDR5, 5-10W
Graphics
Display Outputs1x HDMI
I/O
Ethernet2x Ethernet Ports
2x GbE LAN [MIL-STD]
USB2x USB Ports
2x USB 3.0 [MIL-STD]
Serial2x Serial Ports
2x RS232/422/485 [MIL-STD]
CANbus2x CANbus Ports
2x CANbus [MIL-STD]
Digital I/ODIO [8-lines]
MIPI InterfaceOptional GMSL Camera Inputs
Expansion
M.23x M.2 Expansion Slots
1x M.2 B-Key [PCIe x1] [3042]
1x M.2 M-Key [PCIe x4] [2280]
1x M.2 M-Key [PCIe] [2230]
Wireless ConnectivityOptional 4G Modem
Optional 5G Modem
Optional WiFi/Bluetooth
Storage
Storage2x M.2 SSD
NVMeNVMe SSD Support
Power
Power Input9-40V DC Input [MIL-STD]
Power Support ModesAT: PWR on Input
ATX: Press Button to Power
Environmental Conditions
Thermal DissipationFanless Passively Cooled Chassis
Operating Temperature-25°C to 85°C [-13°F to 185°F]
Storage Temperature-40°C to 85°C [-40°F to 185°F]
Humidity10% - 95% (Non-condensing)
Ingress ProtectionIP67
IP67 [Dustproof, Protection against immersion in water up to 1 meter for 30 minutes]
CertificationMIL-STD-1275
MIL-STD-704
MIL-STD-461
MIL-STD-810
Mechanical Properties
Weight2 Kg (4.4 Lbs)
Dimensions181mm x 131mm x 111mm (7.13" x 5.16" x 4.37")

Official Forecr UK Distributor

Things Embedded is an official Forecr UK distributor, and the MILBOX-ORNX-NANO4 is the entry build of Forecr's compact military computer, sharing the full I/O and IP67 enclosure of the Orin NX models. The MILBOX-AGX moves to Jetson AGX Orin for heavier inference in a larger enclosure, and the DSBOX-ORNX offers Orin NX and Orin Nano modules in an industrial format for fixed installations. For railway installations, the RAIBOX-ORNX is built around the Orin NX module.

Across our catalogue, the MILBOX-ORNX-NANO4 is grouped with other Jetson Orin Nano computers for buyers who choose by module, and with our mission computers alongside sealed systems for defence and aerospace programmes. Its enclosure is designed to meet IP67, so it also appears among our IP67 computers, where its 1.9 kg weight and wide DC input suit small drones, sensor pods and outdoor posts. The same carrier also accepts LTE or 5G modules through its M.2 Key-B socket and SIM slot.

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