1
1. Overview
JWAT301-303 waterproof telephone product is a high-tech product that used for tunnel,subway, highway,
power plant, petrol station, terminal, steel company which have special requirements for moisture, fire, dust, and
frost. It is a high-tech product that combines the actual needs of high-moisture and high-noise places. It is an
indispensable and extremely ideal industrial communication product which is widely used in humid, dusty,
corrosive and strong noise places.
1.1 Product Features
1.1.1 The JWAT301-303 waterproof telephone case is made of aluminum alloy die-casting, which has good
impact strength and protection performance. The surface high temperature powder is not electromagnetically
sprayed to prevent static electricity. Full keyboard input, you can not only directly enter the number of the other
party to make a call, you can also set a shortcut key to speed dial. After high and low temperature testing,
screening, procurement and production, the circuit has undergone strict waterproof treatment and protective
treatment, which has further improved the environmental adaptability of the machine. The phone uses an anti-
noise handle to make calls clearer in high-noise environments.
1.2 Application
1.2.1 This Weatherproof Telephone Is very popular for subways, highways, power plants, petrol stations,
docks, steel companies and other environments that have special requirements for moisture, fire, noise, dust
and frost.
1.2.2 Ambient Temperature
：
-40
°F～
+140
°F
1.2.3 Relative Humidity
：
≤95
％（
room temperature
）
1.2.4 Atmospheric Pressure
：
80
～
110KPa
2. Product Structure Characteristics
2.1
The weatherproof telephone consists of two parts: the housing (including die-cast aluminum shell, stainless
steel keyboard, die-cast zinc hanging fork, PC handle) and the double-sided integrated circuit motherboard.