Wireless Intercom Gives Great Help to Security Men

Published:2010/7/13 1:07:00 Author:Li xiao na From:SeekIC

The wireless intercom is widely used for the security men, which contributes so much to the safety of the communities. The security men contact with each other when there is something wrong happened. Unlike the mobile phone which is charged by minutes, the wireless intercom is more economic and practical.

The handy wireless has small volume, light weight and uses low power, which is suitable to keep in hand or pocket. The distance of communication can reach 5 kilometers when there are no obstacles, or even more than ten kilometers under the help of wireless communication network. Therefore, this device is ideal for the communication of turnovers in many occasions.

The device should be maintained all the time to keep a long service life. There are some tips to concern when using the handy wireless intercom.

Matters needing attention for antenna utilization: people should only use with the original antenna, because the antenna without improvement may damage the device or against the rules made by radio administration; secondly, do not touch the antenna by hand; thirdly, avoid utilizing the broken antenna because it may hurt the skin when submitting the signals.

Matters needing attention for battery utilization: firstly, you should use the original of improved batteries; secondly, the bare battery may cause damage to the device and human body when it touches with the metal conductor like keys or pearls. Therefore, people should be more careful when putting the batteries to the pocket or metal container; thirdly, when the device is charging, the environmental temperature should keep five to forty degrees centigrade.

Matters needing attention for safe usage: firstly, in order to avoid the problems that caused by the electromagnetic interference, the device should be used in the right occasions, for instance, users should turn off the device when he is in the hospital or gas station where other devices are utilized; secondly, using the device carefully. When you are in the car with safety airbag because the intercom may hurt people when the safety air bag bouncing out suddenly. Thirdly, turn off the device when surroundings may cause explosion. The related integrated circuit for wireless intercom is OPA512SM.

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