8/3/1977
In press release # 7741-A, Radio Shack announces the Level 1
Model I TRS-80 (4KB RAM, 4KB ROM, keyboard, black-and-white video display, and tape cassette), at a price of $599.
8/1978
Radio Shack announces the
Model I Level II, at a price of $1099
5/1979
Radio Shack announces the
Model II, at a price of $3450
7/1980
Radio Shack announces the
Model III, at a price of about $699 to $2499
1/1981
Radio Shack ceases production of the
Model I due to its failure to comply with FCC Radio Frequency Interference rules
1/1982
Radio Shack announces the Model 16, at a price of $4999 (128K/1 Drive)
3/1983
Radio Shack announces the
Model 100 (Notebook), at a price of about $799
5/1983
Radio Shack announces the
Model 4, at a price of about $1,999
9/1983
Radio Shack announces the Model 12, at a price of $3199
10/1983
Radio Shack announces the
Model 4P (Portable), at a price of about $1,799
11/1983
Radio Shack releases the Model 2000
7/31/1984
Radio Shack releases the
MC-10, at a price of about $399
?/1985
Radio Shack announces the
Model 4D, at a price of about $1,199
?/1985
Radio Shack announces the
Model 200, at a price of about $999
?/1985
Radio Shack announces the
Model 600, at a price of about $1,599
?/1986
Radio Shack announces the Model 102, at a price of about $499