1. Use 433MHz ISM frequency band.

2. The transmitter and the receiver are used in the same channel in a pair and can be used in the modes of point-to-multipoint or multipoint-to-multipoint.

3. Wireless transmit ≤200m.

4. Superheterodyne 433MHz Wireless IR Remote Extender is fully compatible with remote control signals of DVD, DVR, CCD camera, IPTV, satellite STB, digital TV STB and other AV devices.

5. The product is equipped with super strong IR signal transmitting function or used in conjunction with an IR signal extension wire.

6. Fully hardware-designed. There is no need to install software. Plug and play. Simple and convenient.

7. Dimensions: 10cm (L) ×8.5cm (W) ×3.0cm (H).

8. 433MHz module is FCC CLASSB certificated. Wireless application is safe and reliable.

产品特性：

 使用433MHz频段；
 无线传输距离≤200米；
 发射器(Transmitter)和接收器(Receiver)成对使用，可一对多使用；
 超外差433MHz红外遥控无线回传，全面兼容DVD、DVR、IPTV、卫星机顶盒、数字电视机顶盒等遥控信号；
 产品自带**红外遥控信号发射或结合红外遥控信号延长线配合使用；
 全硬件设计，无需安装软件，即插即用，简单方便；
 体积规格：10cm(**长)×8.5cm(**宽)×3.0cm(**高)；
 433MHz模块已通过美国FCC CLASSB认证，无线应用安全可靠；