Do you know about a 4G waterproof telephone suitable for tunnels, pipe galleries, outdoor areas, and other places?

1. No wiring required, just insert the built-in phone card into the phone motherboard, power it on, and it can be used.

2. Easy and convenient to use, you can dial freely when picking up the phone

3. External ringing, with clear and loud ringing sound, ensuring easy hearing in noisy environments and avoiding missed calls.

4. 4G ultra strong suction cup antenna, strong and stable signal, ensuring stable use of telephone communication function.

5. The overall protection level is IP68, effectively waterproof, dustproof, and moisture-proof.