Outdoor waterproof telephone, waterproof and dustproof telephone

Outdoor waterproof telephone, waterproof and dustproof telephone
Especially suitable for high-speed railways, subways, tunnels, bridges, ports, airports, large industrial and mining project dispatch call places in high-altitude areas in the north, outdoor scenic spots, country parks, national-level Used by tourists in nature reserves and forest parks for emergency calls
Kunlun brand weather-resistant telephones are specially designed to be moisture-proof, anti-freeze, fire-proof, noise-proof, dust-proof and destructive. The whole machine is designed according to the stability requirements in sub-zero to super-zero environments, and its technical indicators are at the leading international level.
Product Features
The casing is made of zinc-aluminum alloy die-casting. The casing is thick, durable, and has good sealing. The surface is sprayed with reflective outdoor paint imported from Germany. The color is bright and will not fade for many years. Strong corrosion resistance.
The door cover has obtained a utility model technology patent and a patented design, which can prevent strong winds from blowing it open. It can withstand strong winds above the level. Traditional telephones require one hand to hold the door and the other hand to hold the receiver and dial the number. Kunlun brand special telephones are very convenient when opening the door and making calls. The door buckle of the telephone can automatically lock the door.
The hook is made of zinc alloy die-casting, copper-plated, zinc-plated, and finally nickel-plated. Level 3 coating. Longer service life. It uses magnetic induction to hang up, and uses the best magnetic ring tube imported from the United States military. It has strong reliability, does not require a hook, and has no contact gaps.
The buttons are imported high-end silicone buttons, using the same level of high-end silicone material as those used in Mercedes-Benz and BMW cars. They are wear-resistant, corrosion-resistant, anti-aging, and have night light (optional). According to customer requirements, we can also choose all-stainless steel imported from Germany and metal buttons.
The handle is made of the company's imported and high-quality alloy materials, and its own company's unique formula and mold. The one-piece evacuated structure has good sealing performance. It can withstand repeated knocking by adults and is not easily broken or deformed by twisting or pulling. It will not burst at subzero temperatures. Retractable hose with stainless steel. The interior is designed with anti-destruction tensile steel wires, which can withstand tensile strength or above. The above requirements can also be increased according to customer requirements.
The wire is made of Teflon wire, which is acid and alkali resistant, high and low temperature resistant, anti-aging, and does not catch fire.
The waterproof glue is imported, with high viscosity, high temperature and high pressure resistance, and a waterproof life of more than 10 years.
All accessories including the handle, receiver, keyboard, buzzer, circuit board and housing adopt a multi-layer waterproof and dustproof structure. It has three levels of waterproof and dustproof function, and the whole machine level reaches the national standard/
The phone has good stability, strong anti-interference ability, and complies with the national standard/
Second operation and use
Excerpt/ On-hook mode: The off-hook/on-hook mode is the handle control mode. Off-hook is connected and on-hook is disconnected
Answer the call. When there is an incoming call, the phone will ring. Take off the handle and you can talk to the other party. After the call is completed Hang up the handle
Make a call, take off the handle, operate according to the dialing method of ordinary telephones, and talk to the other party
Store a number, remove the handle, press the store key, enter the number to be stored, and press store key, press any key as the address to store the number, hang up
Extract the number, take off the handle, press the extraction key, and press one of the required number keys to dial out the memory number in the memory.
Three main technical parameters
Suitable for various program-controlled switches and dispatch switches and dispatch switch systems with feed voltages
Temperature ℃~℃ Relative humidity~ Atmospheric pressure~ Environmental noise
The ringing sound level
can be increased to decibels according to the customer's specific conditions and requires special customization by the customer
When the subscriber line is the signal level of the standard frequency low-frequency group high-frequency group
the frequency offset is not greater than that of the combined signal High and low frequency level difference
The total distortion caused by harmonic intermodulation is at least lower than the basic level
Call transmission index,,, output impedance
Has super group number storage memory dialing Function (the longest digit of each group of numbers)
On the cable core line, the subscriber line can be as long as possible
It can be customized according to customer requirements, and the minimum operating voltage is as long as the telephone set. The national standard is. This can save a lot of lines in tunnels and subways.