I am negotiating with a fellow that has an MFJ-1278. I asked him if it was the A, B, or C model. He said: tnc responds -AX.25 Level 2 Version 2.0 + BLP 1.0 Release 3.5 07/03/92 - 32K RAM Multilevel How much does this tell you? 73, Fred, WB4AEJ