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White USB stick modem with SIM slot and TF card slot

YINGHUA

YINGHUA 4G LTE USB Modem 100Mbps Wi-Fi adapter

SKU CH-48Y3-M740K

Provides 4G LTE mobile broadband at 100 Mbps download and 50 Mbps upload via USB 2.0 with microSD card slot up to 16 GB

  • TypeLTE Adapter
  • Connect at up to 100 Mbps down-link speed with LTE FDD bands B1 and B3
  • Achieve up to 50 Mbps up-link throughput on the same LTE connection
  • Insert a microSD card up to 16 GB for portable file storage
  • Plug into any standard USB 2.0 port for bus-powered operation
  • Works with Windows 2000, XP, Vista, 7 and 8 in both 32-bit and 64-bit editions

Portable 4G LTE USB modem for Windows PCs

This unlocked USB dongle provides mobile broadband on Windows 2000 through Windows 8 using a Qualcomm 9200 chip. It connects via standard USB 2.0 and accepts a regular 6‑pin SIM card. The device also includes a microSD slot supporting up to 16 GB cards for portable file storage.

Low‑power USB operation with no fan noise

Powered entirely by the USB port, the modem draws minimal current and runs silently without active cooling. Downlink reaches 100 Mbps and uplink 50 Mbps on LTE FDD bands B1 and B3, while HSPA+ falls back to 42 Mbps down and 5.76 Mbps up. Legacy 2G and 3G bands ensure connectivity where 4G is unavailable.

Replaces tethering or fixed‑line entry plans

The jump is worthwhile when you need a dedicated SIM‑based connection without draining a phone battery or signing a home broadband contract. It is not suited for users who require modern OS support beyond Windows 8, Wi‑Fi 5 or 6 hotspot features, or throughput higher than the 100 Mbps LTE category 4 ceiling.

Highlights

  • Connect at up to 100 Mbps down-link speed with LTE FDD bands B1 and B3
  • Achieve up to 50 Mbps up-link throughput on the same LTE connection
  • Insert a microSD card up to 16 GB for portable file storage
  • Plug into any standard USB 2.0 port for bus-powered operation
  • Works with Windows 2000, XP, Vista, 7 and 8 in both 32-bit and 64-bit editions

Specifications

TypeLTE Adapter

Questions about this item

How do I install the USB modem on Windows 7 64-bit and which step is often missed?

Plug the modem into a USB 2.0 port; Windows 7 64-bit will detect it and install drivers automatically. The step often missed is inserting a standard 6-pin SIM card before connecting, otherwise the device cannot register on the network.

What maintenance or replacement will this modem need over time?

The modem has no user-serviceable parts. If the SIM card wears out or you need more storage, replace the SIM or add a microSD card up to 16 GB. Otherwise the unit itself requires no scheduled maintenance.

What is the first limit reached during sustained heavy downloads?

The LTE category caps the down-link at 100 Mbps and the up-link at 50 Mbps, so sustained throughput cannot exceed those speeds regardless of signal strength.

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