We have sucessfuly cloned a PCF7946 ID46 remote key to a Fiat 500 using new JMD Handy baby II key copy machine. Very easy and fast.
Original key: ID46 433MHz
Put original key into coil, identify chip type and ID:PCF7946 (HITAG2) ID46
Press OK to Decode
Put Handybaby II close to the ignition antenna
Insert original key and turn on ignition
Collect data success. Put original key into coil to decode
Select Offline mode to copy key
Calculating key data in progress, don’t remove key
Read key data success
Copying a new key
Handy baby 2 cloned a new Fiat 500 key success
You can start vehicle with the new key.