User's Manual
LTE Module Series
EC25-V User Manual
EC25-V_User_Manual Confidential / Released 11 /
69
Support master and slave mode, but must be the master in long frame sync
Audio Features
Compliant with USB 2.0 specification (slave only); the data transfer rate
can reach up to 480Mbps
Used for AT command communication, data transmission, GNSS NMEA
output, software debug and firmware upgrade
USB Driver: Windows XP, Windows Vista, Windows 7, Windows 8/8.1,
Window CE 5.0/6.0/7.0, Linux 2.6 or later, Android 2.3/4.0/4.2/4.4/5.0
PCM Interface
Main UART:
Used for AT command and data transmission
Baud rate reach up to 921600bps, 115200bps by default
Support RTS and CTS hardware flow control
Debug UART:
Used for Linux console, log output
115200bps baud rate
USB Interface
Support LTE Rx-diversity
UART Interface
Gen8C-Lite of Qualcomm
Protocol: NMEA 0183
GNSS Features
Two pins including NET_MODE and NET_STATUS to indicate network
connectivity status
AT Commands
Including main antenna (ANT_MAIN), Rx-diversity antenna (ANT_DIV) and
GNSS antenna (ANT_GNSS)
Network Indication
Size: 32.0±0.15 × 29.0±0.15 × 2.4±0.2mm
Weight: approx. 4.9g
Antenna Interface
Normal operation: -35°C ~ +75°C
Restricted operation: -40°C ~ -35°C and +75°C ~ +85°C
Storage temperature: -45°C ~ +90°C
Physical Characteristics USB interface
Temperature Range All hardware components are fully compliant with EU RoHS directive
Firmware Upgrade
RoHS