Hello, I'm wondering about the part HL7810

IoT Modules
1

Hello, I’m wondering about the part HL7810.

1)There are 4 different variants; are they all the same pinout?

(A)HL7810_1105043

B)HL7810_1104876

C)HL7810_1105309

D)HL7810 R2C-1104876)

2)HL7810_1105309 vs HL7810_1105043, what’s the difference between these? Any difference in hardware?

3)What is the meaning of the suffixes?

2
  1. yes, they should have same pin out
  2. only default firmware is different
3

Thank you so much for the support.:innocent: :folded_hands: