same placeAhhh OK... where did you get the spare electronics to use?
US $5.98 17% OFF|jingyuqin For peugeot 407 407 307 308 607 Citroen C2 C3 C4 C5 ASK/FSK Remote Key Electronic Circuit Board 3 Button CE0523 Ce0536|Car Key| - AliExpress
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im pretty sure the modulation is fsk.
if you have the pin code you can program through lexia3. If not a dealership can give you the the code for £20, or you can try and find a tool like obdstar or xtools to get the code and program it. Im still fiddling around, i will let you know if i figure it out