Product introduction
The optical fiber hands-free waterproof telephone supports the standard SIP protocol and can be effectively compatible with the commonly used IPPBX and network dispatching platform in the market. It is a special telephone specially developed for high humidity and high dust environments such as subway tunnels, underground pipe gallery tunnels, highway tunnels, mines, power plants, iron and steel plants, ports, ships, and electrical workshops. It is suitable for long-term installation in various harsh environments and is waterproof, moisture-proof It has the characteristics of dust prevention, cold prevention, frost resistance, high temperature resistance, oxidation resistance, corrosion resistance, and violence resistance.

Product features
1. Aluminum alloy material, formed by more than 1000 tons of die-casting machine, has high density, light weight, and is characterized by cold and frost resistance, oxidation resistance, corrosion resistance, and resistance to violent impact;
2. Hands free design, the button is made of 304 stainless steel, with blue light indicator light, and one key speed dial button is set;
3. The speakers shall be high-quality industrial speakers, and the back of the external speaker holes shall be equipped with anti piercing stainless steel mesh, which can effectively protect the speakers damage;
4. The keys are made of anti-aging silicone material, professionally designed to be waterproof and dust-proof, and matched with gold plated PCB board. They have good hand feel, good electrical performance, and a service life of ≥ 500000 times; The telephone motherboard adopts industrial IP motherboard, and is reserved with rich signal trunk nodes to facilitate linkage with surrounding external equipment;
5. The phone shell adopts multiple waterproof design, all incoming lines are sealed with professional anti-aging waterproof electronic glue, and the overall protection level of the phone reaches IP68;
6. Move the ring outside the shell to solve the problem that the ring tone of similar products in the market is too small, which causes that the ring tone cannot be heard when being called.

Product features
1. Aluminum alloy material, formed by more than 1000 tons of die-casting machine, has high density, light weight, and is characterized by cold and frost resistance, oxidation resistance, corrosion resistance, and resistance to violent impact;
2. Hands free design, the button is made of 304 stainless steel, with blue light indicator light, and one key speed dial button is set;
3. The speakers shall be high-quality industrial speakers, and the back of the external speaker holes shall be equipped with anti piercing stainless steel mesh, which can effectively protect the speakers damage;
4. The keys are made of anti-aging silicone material, professionally designed to be waterproof and dust-proof, and matched with gold plated PCB board. They have good hand feel, good electrical performance, and a service life of ≥ 500000 times; The telephone motherboard adopts industrial IP motherboard, and is reserved with rich signal trunk nodes to facilitate linkage with surrounding external equipment;
5. The phone shell adopts multiple waterproof design, all incoming lines are sealed with professional anti-aging waterproof electronic glue, and the overall protection level of the phone reaches IP68;
6. Move the ring outside the shell to solve the problem that the ring tone of similar products in the market is too small, which causes that the ring tone cannot be heard when being called.