This is the safest method, applicable when your Opcom is already recognized but outdated.
If you are comfortable doing so, open the plastic casing of your adapter. Look for the large rectangular chip. If it says PIC18F458 , your firmware 1.67 is highly likely to be stable and flashable. Final Verdict opcom 167 firmware work
Even with a stable firmware, you may encounter problems. Here are some of the most common issues and solutions related to OP-COM work: This is the safest method, applicable when your