Psion Revo

The Psion Revo, launched in Nov 1999, is a PDA from Psion. It is the successor to the Psion Series 3 and a light version of Psion 5mx. It is software-compatible with the 5mx and has the same processor but is more lightweight (200g vs 354g of 5mx), and substantially smaller (157x79x17mm). In comparison with the Series 5/5mx, the Revo has a smaller screen (480x160 vs 640x240 of Series 5/5mx) and also lacks a flash-card slot and a backlight.

The Psion Revo comes in two main variants, Psion Revo and Psion Revo Plus having 8 and 16MB of RAM respectively. It is powered by a 36 MHz ARM 710T microprocessor. Among other things, the hardware is equipped with a short-distance irDA wireless infrared communication system and a touchscreen. Like its bigger counterpart Series 5mx, it comes with a small suite of office and communications programs built into the ROM chips. Other programs are user-installable by using a 'dock' to send Revo programs from a PC.

SONICblue produced a rebadged version of the Psion Revo Plus called the Diamond Mako which they distributed in the United States and in Canada.