🧾 Item Description

Inseego USB800 Global 4G LTE Cat 18 USB cellular modem, AT&T branded, carrier unlocked, and fully tested.

The USB800 is a compact plug-and-play cellular modem designed to provide high-speed LTE connectivity directly through a standard USB port. Powered by the Qualcomm Snapdragon X20 platform, it supports LTE Cat 18 connectivity with speeds up to 480 Mbps, 5-carrier aggregation, and broad global LTE and HSPA+/UMTS band coverage.

Although this modem is AT&T branded, it is carrier unlocked and can be used with compatible SIM cards and cellular networks that support its frequency bands and provisioning requirements.

Item only — SIM card, cellular service plan, cables, and other accessories are not included.

🔧 Specifications

• Brand: Inseego
• Model: USB800
• Device Type: Global USB cellular modem
• Branding: AT&T
• Carrier Lock: Unlocked
• Network Technology: 4G LTE / HSPA+ / UMTS
• LTE Category: Cat 18
• Chipset: Qualcomm Snapdragon X20 / SDX20
• LTE Maximum Throughput: Up to 480 Mbps
• Carrier Aggregation: Up to 5-carrier downlink aggregation
• Antenna Technology: 2×2 MIMO
• USB Interface: USB 2.0 Type-A
• USB Connector: Fold-away rotating/swivel design
• External Antenna Port: Yes
• SIM Type: 4FF Nano SIM
• GNSS: Integrated
• GNSS Systems: GPS, GLONASS, Galileo, BeiDou
• Dimensions: Approximately 91.1 × 37 × 11.4 mm
• Weight: Approximately 68 g
• Operating Temperature: -10°C to +55°C
• FirstNet Band 14 Support: Yes
• Operating System Support: Windows, macOS, and Linux
• Additional Features: VPN support, remote configuration, administrative controls, and web-based management

LTE Bands:
B1 / B2 / B3 / B4 / B5 / B7 / B12 / B13 / B14 / B17 / B18 / B20 / B28 / B29 / B30 / B66

HSPA+ / UMTS Bands:
B1 / B2 / B4 / B5 / B8

🧩 Compatible Applications

Suitable for supported systems including:

• Laptops and mobile workstations
• Industrial computers
• Cellular routers and gateways
• IoT and M2M equipment
• Point-of-sale systems
• Kiosks and digital signage
• Remote monitoring and telemetry systems
• Primary or backup cellular internet connections
• Mobile and field-service equipment
• FirstNet-compatible applications

The USB800 connects directly through a standard USB Type-A port and provides cellular data connectivity without requiring an internal M.2 or Mini PCIe WWAN slot.

This unit is AT&T branded but carrier unlocked. Carrier compatibility depends on supported LTE bands, SIM provisioning, APN configuration, service plan, and carrier requirements. Please verify compatibility with your intended network before purchase.

🧪 Condition

• Tested for cellular connectivity
• Carrier unlocked
• AT&T branded
• Clean USB connector
• Good overall cosmetic condition
• May show minor signs of normal previous use

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