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NETGEAR LB1120 LTE Cat 4 Modem

North American LTE data modem with micro-SIM, Gigabit Ethernet handoff and optional TS-9 antenna connections; this SKU is not a Wi-Fi router.

Original local schematic of the LB1120 cellular modem showing SIM, LTE antenna connectors and Ethernet
UNIQUE LOCAL SVG // REFERENCE SCHEMATIC, NOT TO SCALE

EXACT MODEL / SKU: NETGEAR LB1120-100NAS. Carrier bands and certification differ by region and SKU; do not treat this as an unlocked global radio.

Exact specifications and compatibility

Modem standard4G LTE Category 4; 3G DC-HSPA+ fallback is available on supported North American bands. Radio features vary by carrier and service.
InterfacesMicro-SIM slot; 1 × Gigabit Ethernet RJ-45; two TS-9 external antenna connectors. No Wi-Fi access point.
Downstream / upstreamLTE Cat 4 peak specification up to 150Mb/s down and 50Mb/s up. User rate depends on supported LTE band, carrier aggregation/network configuration, signal, congestion and data plan.
Telephone serviceCellular data modem only; no voice handset port, VoLTE or analog telephone service is specified for the LB1120.
Provider compatibilityNorth American LB1120-100NAS radio bands are LTE B2/B4/B5/B12/B17/B29/B30 and UMTS B2/B5 in applicable revisions. A carrier must accept the modem/IMEI, support its bands and activate a compatible data SIM/plan; verify exact carrier approval.
Firmware / host compatibilityNETGEAR support provides model resources; mobile network provisioning and SIM/APN settings are carrier-dependent. Wired Ethernet uses ordinary TCP/IP without a PC cellular driver. Firmware must match regional SKU/carrier requirements.
Power and safety12V DC, 1A supplied power adapter. Use a correctly rated NETGEAR adapter, keep the indoor modem ventilated and dry, and position external antennas away from damage or pinching.

Model-specific notes

Do not infer voice, SMS or hotspot features from a data SIM. The 150/50Mb/s Cat 4 figures are peak radio rates, not committed carrier throughput.

Manufacturer specifications and manual

  1. NETGEAR LB1120 official product specificationsManufacturer specification source for product functions and intended mobile data use.
  2. NETGEAR LB1120 official data sheetManufacturer-hosted technical specification for rates, interfaces, bands and power.
  3. NETGEAR LB1120/LB1121 User ManualManufacturer-hosted installation, SIM, safety and troubleshooting manual.