I currently have v14.1 and it seems it's a lower cost variant as it uses normal ram chip (not BGA as in v14) see TP-Link WR841N v14.1 vs v14
I currently have v14.1 and it seems it's a lower cost variant as it uses normal ram chip (not BGA as in v14) see TP-Link WR841N v14.1 vs v14