1999 IS200 Key Fob Internals (rfid chip + remote components)

[andykao]

So i have just one key for my car (and it's the gray one, without the remote buttons). Want to get a new pair of keys, that won't cost as much as the actual car

Where i live, people can only copy they key + chip (without the remote) for around 100-120 EUR.

So i'm thinking, i already have techsteam + the correct obd adapter, i believe i can code the chip and remote to my car, all i need is to get the key itself cut (that won't be a problem).

The problem i'm facing is that i could not find any proper info on what type of chip or remote i need. So far i found

chip : TP05, TPX5, 4D68, 4C

key fob frequency : 433 or 314, 315, 304mhz?

Not sure what sort of blanks i need to get as there are tons of models and as with chinese stuff, descriptions are very confusing.