CONTENTS
Dragonfly
TM
MTQ-L4G1 Device Guide
3
Contents
Overview ....................................................................................................................................................................... 6
Documentation Overview ............................................................................................................................................. 6
Product Build Options ................................................................................................................................................... 6
MTQ-L4G1-B02 Mechanical Drawing............................................................................................................................ 7
Descriptions of LEDs...................................................................................................................................................... 8
MTQ-L4G1-B02 Specifications....................................................................................................................................... 9
40-Pin Connector Definitions ...................................................................................................................................... 10
Operating Conditions ................................................................................................................................................ 12
Absolute Maximum Rating........................................................................................................................................ 12
DC Electrical Characteristics...................................................................................................................................... 13
Input/Output Current Ratings................................................................................................................................... 13
Installing a SIM Card on a DragonFly ......................................................................................................................... 15
Device Drivers ............................................................................................................................................................. 15
USB Cable Recommendations..................................................................................................................................... 15
Communications Flow................................................................................................................................................. 16
Communicating with the Device................................................................................................................................. 16
Powering Down The Device ....................................................................................................................................... 16
Device Reset (Pin 35) .................................................................................................................................................. 17
Low Power Options..................................................................................................................................................... 17
SMA to U.FL Cables ..................................................................................................................................................... 19
Connecting an Antenna through the Developer Board Connectors .......................................................................... 19
Antenna Diversity........................................................................................................................................................ 20
Placing External Antennas ........................................................................................................................................ 20
Selecting Antennas ................................................................................................................................................... 20
Antenna Approvals and Safety Considerations ........................................................................................................ 21
Diversity and Power Draw ....................................................................................................................................... 21