For Peugeot 407 307 308 Condition: Button: 3 Button (Lock/Unlock/Trunk) Frequency: 434MHz Modulation: FSK; ASK Option CE0536 circuit board with Transponder Chip: ID46 PCF7961 CE0523 circuit board with Transponder Chip: ID46 PCF7941 Fitment: For PEUGEOT 207 208 307 308 408 Partner For Citroen C2 C3 C4 PICASSO And other models with the same key blank and battery holder specifications Important Note: Please check and make sure your remote uses the same transmitter and chip as our items before purchasing. CE0523: The car key battery installs on the electronic board CE0536: The car key battery installs on the car key shell About the Modulation: Below is for reference only. It is recommended to test your original key before ordering, as some vehicles from the same year may have different modulations. ASK: Before 2011 FSK: After 2011 Package Includes: 1 x Remote Car Key Circuit Board SZRH A-F