OPEnS_LTE

An LTE module based on the Ublox SARA-R410M series chipset for IoT and remote sensing applications.

Three dimensional rendering of "OPEnS LTE" in Autodesk Fusion 360

"OPEnS LTE" measures 60mm x 26mm (Length x Width, rounded up to nearest integer).

Documentation Sections:

1. Breakdown of Repository Contents.
2. Instructions for Using "OPEnS LTE."
3. Technical Documentation (Specifications, Schematics, Simulation Files, etc.).
4. How to Procure "OPEnS LTE."

Breakdown of Repository Contents:

1. "BOM for PCBWay.xlsx" --> Bill of materials (BOM) file (for upload to PCBWay's assembly service).
2. "Gerber.zip" --> PCB manufacturing files (for upload to PCBWay's assembly service).
3. "OPEnS LTE - REV 1.f3z" --> Design files archive (open using Autodesk Fusion).
4. "PnP.xlsx" --> Pick and place centroid file (for upload to PCBWay's assembly service).
5. "README.md" --> Repository readme file.

---

Functional prototype of "OPEnS LTE" (left), "OPEnS LTE" prototype connected to the internet (right)

---

Instructions for Using "OPEnS LTE:"

Technical Documentation:

Pin Function:

• VCC - Module power supply for SARA-R410M and other onboard components.
• REF - Reference logic level for external microprocessor (supports 3.3V-5V logic).
• PWR - Pin to wakeup SARA-R410M.
• RST - Pin to reset SARA-R410M.
• TX - UART data out to microprocessor.
• RX - UART data in from microprocessor.

Specification Tables:

Recommended Operating Voltages:

Pin	Mininum (V)	Typical (V)	Maximum (V)
VCC	3.2	3.8	4.2
REF	1.8	VCC	5.5
PWR	GND	GND	VCC
RST	GND	GND	VCC
TX	GND	~	REF
RX	GND	~	REF

Absolute Voltage Limits:

Pin	Mininum (V)	Maximum (V)
VCC	-0.5	5.2
REF	-0.5	6.5
PWR	-18	18
RST	-18	18
TX	-0.5	REF+0.5
RX	-0.5	REF+0.5

Schematic diagram for "OPEnS LTE:"