Hello, danielscotland
We can’t advise you on a specific model or manufacturer, but you can use “search” to check an accurate device, or to group manufacturers by popularity by the link https://gps-trace.com/devices
There is also a short description of each mentioned device.
Also, you may just select our partner in your region, who will give you professional advice about choosing, buying and configuring https://gps-trace.com/partners