ZTE MF823 is a LTE Cat 100Mbps dongle before ZTE MF831, as the smallest LTE unit since ZTE MF821D, even though its small size, however ZTE MF823 has an amazing performance: LTE FDD 100Mbps support, UMTS backward, and Micro SD card slot up to 32GB. Below is ZTE MF823 main specifications for reference:

• LTE FDD 800/900/1800/2600MHz with 100Mbps data
• 3G UMTS 900/2100 MHz with 42Mbps data (HSPA+)
• 2G GSM   850/900/1800/1900 MHz
• SIM Card: Standard SIM card (2FF)
• LED Indicators          Tri colour Network connectivity
• External Antenna port     Dual TS9 antenna ports for Rx Diversity
• Size & weight: 90 x 28.4 x 13mm. 26g

ZTE MF823 images: