How to know compatibility between electroniques cards

Other Hardware Robotics
1

Hello,

I'm wandering if this cards are compatible together.

https://www.cooking-hacks.com/4g-gps-3g-gprs-gsm-gps-lte-wcdma-hspa-shield-for-arduino

https://www.oblu.io/products/oblu

How can we connect this tow cards ?

Should I check the output/input ?

Are there a probleme if I connect an Arduino with a rasberry ?

Best regards,
Sacha Legrand

2

No problem if you use level shifters between the two units.

3

You might want to check the unit(s) data sheet to see if that particular card is compatible with that particular unit. The cards have different I/O speeds which may cause some unforeseen problems.
Good Luck & Have Fun!
Gil