What communication protocol does your device use?
You can use a PC with KingView which has over 3500 drivers which allow you to interface with all different types of instruments, PLC's and devices. It supports open protocols like Modbus. You could also use cellular routers to get the data back to software on a PC. We provide M2M RTU firmware for our G-4500 controllers which could easily bring your devices back to a computer running software like in the image below.
G-4500-3GWA: $1,299.00 Tri-band 3G WCDMA M2M C Language Programmable Automation Controller with 3 DI, 3 DO, and 8 AI. Demo Programs Provided.
KingView : Starting at $399 High Performance PC Software for Building Data Information Service Platforms can help you monitor your Controllers , PLC'sand Data Acquisition hardware. Remote monitoring over a web client allows you to monitor your systems at any time and from any place.
IR711GS55 : $559 RS-232/485/Ethernet to Wireless GPRS VPN Industrial Grade Cellular Routers for M2M applications. Provides secure, efficient, reliable communication links based on the HSUPA / GPRS network. Supports an operating temperature range of -25C to 70C.
ICP DAS USA, Inc.
there are many SCADA software vendors which will run on a variety of platforms including windows. They provide very powerful praphical display development tools along with many other features - alarming etc. All you will need a is a driver or drivers to get the data form your devices into the SCADA system. A google search for SCADA or a visit to a SCADA and/or supervisory process control exhibition should give you everything you need to start to make a vendor choice.