There are many Hittite part numbering with suffix "A" for example HMC849ALP4CE and also w/o suffix "A" that is HMC849LP4CE.
I noticed the spec. is slightly different.
May I know HMC849ALP4CE is it the latest product than HMC849LP4CE ?
Long term support will be HMC849ALP4CE or HMC849LP4CE ?