ZTE had released many 4G LTE Modems such as ZTE MF820, MF820D, MF820T, MF820S2, MF821, MF821D, MF880, MF823. Their specifications are listed below:

ZTE MF820 FDD Modem:

* 4G LTE-FDD 1800/2100/2600Mhz

* 3G UMTS 900/2100Mhz

ZTE MF820D FDD Modem:

* 4G LTE: FDD 800/1800/2600 Mhz

* 3G UMTS/ HSPA+: 800/900/2100 Mhz

ZTE MF820T TDD Modem:

* LTE TDD 2300/2600 MHz

* WCDMA/ UMTS

ZTE MF820S2 TDD FDD USB Modem:

* LTE FDD Band 2600 MHz

* LTE TDD 1900/2300 MHz

* WCDMA band 850/900/2100 MHz

* GSM band 900/1800 MHz

* Interface: USB 2.0 HIGH SPEED

* Bandwidth: 10M, 20M

* Supports most types of laptop and desktop PC

* Functions Data service, Applications management, etc

* All of them has no external antenna