The phrase "a collection of devices" is correct and usable in written English.
You can use it when referring to a group or assortment of various devices, typically in a technical or descriptive context.
Example: "The lab features a collection of devices designed for advanced scientific research."
Alternatives: "an assortment of devices" or "a set of devices."
An Extracorporeal Membrane Oxygenation (ECMO) system is a collection of devices working together in a circuit to pump and oxygenate a patient's blood.
But no one is yet offering what Carphone's Wireless World format can: a collection of devices from a range of brands and the broadband, Wi-Fi or mobile phone contracts needed to make them work.
The ONS will not look at individual data from mobile phones, Smith added, but aggregated data from a collection of devices could be a useful source of information on the economy.
Hence they are usually considered single-loop systems, and the total control system is built up of a collection of such devices.
The ACME detonator is a nice touch (for those who don't know what I am talking about, Wile E Coyote used a collection of ACME devices to capture or kill the roadrunner every Saturday morning, for example):.
Mobile isn't just an access method or a collection of cool devices.
The gatekeeper manages a collection of H.323 devices; it converts phone numbers to IP addresses.
Scientists and engineers know the difficulty of extracting accurate information from a collection of imperfect devices, such as a clutch of clocks.
As we understand it now, the Internet of Things is not just a collection of M2M devices; in the Internet of Things, you can make any "thing" connected and you can retrofit any connectivity into legacy industrial equipment and make it smarter.
The term Free Electron Laser (FEL) will be used, in this paper, to indicate a wide collection of devices aimed at providing coherent electromagnetic radiation from a beam of "free" electrons, unbound at the atomic or molecular states.
Contemporary computing technologies have thoroughly embedded themselves in every aspect of modern life conducting commerce, maintaining and extending our networks of friends, and mobilizing political movements all occur through a growing collection of devices and services designed to keep and hold our attention.
