A badge-engineered version of the Sharp PC-1211 was marketed by Radio Shack as the original TRS-80 Pocket Computer. This was later referred to as the PC-1 to differentiate it from subsequent entries (PC-2 onwards) in the TRS-80 Pocket Computer line.
24 digit dot matrix LCD
Full QWERTY-style keyboard
Integrated beeper
Connector for printer and tape drive
Programmable in BASIC
Uses four MR44 1.35 V Mercury button cells
Battery life in excess of 200 hours
1424 program steps, 26 permanent variable locations (A-Z or A$-Z$) and 178 variables shared with program steps
Built out of off-the-shelf CMOS components, including SC43177/SC43178 processors at 256 kHz and three TC5514P 4 Kbit RAM modules
Accessories
CE-121 Cassette Interface
CE-122 Printer