Quectel EC200U
EC200U is a series of the latest LTE Cat 1 modules optimized specially for M2M and IoT applications123. It is a reliable and compact cellular module with advanced features, enabling seamless connectivity for IoT applications, M2M communication, and high-speed data transmission in a wide range of industries4. 
The module delivers maximum data rates of 10Mbps downlink and 5Mbps uplink123. EC200U-CN also supports standard Mini PCIe package to meet the application requirements of products in different industries
Specifications:
Power Supply- Supply Voltage (Vbat): 3.7V – 4V
USB-C: 3.7V – 5V
Typical Supply Voltage: 3.8V
LTE Features- Support CAT 1 FDD & TDD
Max 10 Mbps (DL) | Max 5 Mbps (UL)
Internet Protocol- Support:TCP/UDP/PPP/NTP/NITZ/FTP/HTTP/PING/CMUX/HT
TPS/ FTPS/SSL/FILE/MQTT/MMS protocols
UART Interface- For AT communication & data Transmission
Baud rates up to 921600 bps; 115200 bps by Default
Support MAIN_RTS & MAIN_CTS Hw flow control
AT Commands– Compliant with 3 GPP TS 27.007, 27.005 and Quectel
enhanced AT command
Antenna Interfaces- Main antenna interface (ANT_MAIN)
SMS-  Text and PDU mode