[Hilo] <--EOF--Pattern--> fail to exit data mode

Knowledge Base HL Series FAQ
1

[Hilo] For AT+KTCPSND, Why module cannot exit the data mode after sending <–EOF–Pattern–>?

Answer: Please pay attention that there’s should no CR/LF after the <–EOF–Pattern–>. You can review the data in Hex mode to confirm no CR/LF be added. In some cases CR/LF may be inserted automatically.
Notes:
CR (13 decimal): Carriage Return,
LF (10 decimal): Line-Feed