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General| Device Type | USB modem |
|---|---|
| Model | MF821 |
| Category | Modem |
| Max Download Speed | 100 Mbps |
| Max Upload Speed | 50 Mbps |
| Interface | USB 2.0 |
| Battery | No |
| 3G Download Speed | 42 Mbps |
| Network Standards | LTE, UMTS, GSM |
| LTE Frequency Bands | 800/900/1800/2100/2600 MHz |
| Operating System Compatibility | Windows, Mac |
| SIM Card Type | Micro SIM |
Overview of the ZTE USB modem's functionality and network compatibility.
Technical details including interface type, supported systems, and dimensions.
Visual identification of the modem's appearance and components.
Instructions on how to slide and remove the front cover of the modem.
Guidance on inserting the SIM/USIM card into the correct slot.
Instructions for inserting a microSD card into its designated slot.
Steps to place and lock the front cover back onto the modem.
Procedure for connecting the modem to a laptop or desktop PC via USB.
Safety precautions for modem owners regarding interference and usage environments.
Recommendations for proper handling, accessories, and environmental conditions.
Details on warranty coverage and exclusions for the product.
Information on radio wave exposure limits and the device's SAR value.
Guidelines for environmentally responsible disposal of the product.
Exclusions of ZTE's liability for indirect or consequential damages.
Contact methods for obtaining assistance with the modem.
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