This manual introduces the use of the GLOBUL 3G USB Modem
The ZTE MF637 is a multi‑mode 3G USB modem that works with HSUPA, HSDPA, UMTS, EDGE, GPRS and GSM networks. It connects to a laptop or desktop via a USB interface and combines data and SMS services in a single device.
The manual covers hardware and software installation, explains the LED status indicators, lists technical specifications, and provides troubleshooting steps and safety warnings for use near medical devices and explosive environments.
| Interface type | USB |
|---|---|
| Supported networks | HSDPA/HSUPA/UMTS/GSM/GPRS/EDGE |
| Dimensions | 85.6mm x 26.0mm x 11.5mm |
| Weight | About 24g |
| HSUPA uplink speed | 5.76 Mbps |
| HSDPA downlink speed | 7.2 Mbps |
| WCDMA data rate | 384 Kbps |
| MicroSDHC support | Up to 4 GB |
| Operating temperature | 100°C > +55°C |
Keep the modem more than 20 centimeters away from medical devices when they are turned on.