小功率无线呼叫系统的研制

The development of small-power wireless calling system

选用目前国际上流行的编解码、调频收发信等专用集成电路,设计了一套适合于医院、宾馆、饭店等部门使用的无线呼叫系统。该呼叫设备具有体积小、耗电少、抗干扰强,性能稳定可靠,调试简便等特点。具有较高的使用价值。

By selecting international-popular integrated circuits used in encoder, decoder and FM transmitter-receiver, a set of wireless calling system has been developed for hospitals, hotels and other departments concerned. This device has a great practical value. Its main advantages are small volume, power saving, good property of antijamming, well-stabilized, simple adjustment and etc.