Look at the Clio 3 2009 key with Pcf7961 chip:
You can generate the Pcf7961remote with xhorse mini key tool.
No problem for choose ask or fsk on Renault no same at Citroen or Peugeot.
Frequency of Renault is not ASK or FSK. Most important is precoding PCF remote.
Équivalent of your key from china is same pcb with pcf7946/7 and 100% compatible.