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NETGEAR LM1200 LTE Cat 4 Modem

North American LTE modem for a nano-SIM mobile-data subscription, wired Ethernet handoff, USB-C power and optional external antennas.

Original local schematic for the LM1200 cellular modem with nano-SIM, two antennas, Ethernet and USB-C power
UNIQUE LOCAL SVG // REFERENCE SCHEMATIC, NOT TO SCALE

EXACT MODEL / SKU: NETGEAR LM1200-100NAS (North America). European, Australian and other regional suffixes use different bands or certifications.

Exact specifications and compatibility

Modem standard4G LTE Category 4 data modem; supported band set is regional, not a universal multicarrier guarantee.
InterfacesNano-SIM slot; 1 × Gigabit Ethernet RJ-45 for host/router; USB-C 5V power input; two TS-9 external antenna connectors.
Downstream / upstreamLTE Cat 4 peak rates up to 150Mb/s down and 50Mb/s up, subject to band, radio conditions, network load and the carrier's assigned data plan.
Telephone serviceData-only mobile broadband modem; no telephone jack or supported cellular voice/VoLTE handset feature.
Provider compatibilityFor LM1200-100NAS, confirm carrier acceptance/IMEI, approved LTE bands and an activated nano-SIM data plan; the published North American band profile includes LTE B2/B4/B5/B12/B13/B14/B17/B25/B26/B41/B66/B71. Carrier offerings and certification can change.
Firmware / host compatibilityUse NETGEAR's support/download page for the exact LM1200 region and revision. Carrier/SIM/APN configuration is service-dependent; Ethernet clients need standard TCP/IP, not a model-specific cellular driver.
Power and safety5V DC, 2A through USB-C as specified for the LM1200. Use the supplied/approved 5V supply only—never connect 12V—and keep the modem/antenna cables ventilated, dry and undamaged.

Model-specific notes

The Ethernet port is a wired handoff, not a Wi-Fi radio. The radio's 150/50Mb/s Cat 4 figures are theoretical maxima and voice service is not provided.

Manufacturer specifications and manual

  1. NETGEAR LM1200 official data sheetManufacturer technical source for LTE categories, bands, interfaces and power.
  2. NETGEAR LM1200 official support and downloadsManufacturer manual, software, firmware and revision-specific support portal.
  3. NETGEAR LM1200 product pageOfficial manufacturer product information; compare regional model suffixes.