The Telo Systems TE320 is an extremely durable and compact device that can accompany you to any location.

The device is a natural choice for harsh demanding environments, with its IP67 rating, making it both waterproof and dustproof. The device also comes with a loud radio grade 3W audio output from the devices intergrated speaker, making it ideal for noisy workplaces. 
 
The TE320 is the ideal partner for long shifts as standard it comes with a removable 4000mAh lithium polymer battery. It supports over 48 hours of 10/10/80 operation (10% transmit, 10% receive, 80% standby).
 
As standard this model comes with Dual SIM, SD Card slot, and USB C type charger.