The difference of each product is a supported communications protocol as the following table.
product |
supported communications protocol |
BHT-BASIC4.0 Transfer Utility |
Ymodem protocol
BHT-Ir protocol |
Ir-Transfer Utility(It3cw32.exe) |
BHT-Ir protocol |
Transfer Utility(Tu3w32.exe) |
BHT protocol |
|