Most cheap wireless calling system with wrist watch

1.Use SAW DEVICE  aeronautical communications device to ensure stability of signal transmission

2.Super stability registration technology, aviod garbled phenomenon 

3.Built-in anti-channel mixing function

4.resistance against temperature and humidity changing.Safe and stable

5.Flexible Coding.Coding could be changed for different application

Specifications

HCM101	Specifications
	Size	60*60*30mm
	Color	Wood
	Weight	0.06kg/ea
	Battery	23A12V
	Frequency	433.92Mhz
	Distance	1000m open area
	Key name	Call
	Output power	≤10 mw
	Frequency deviation	0.5Mhz
	Codec	Registration

Watch receiver(HCM6800)

Specifications

  Good news:This watch receiver can be customized language , sticker and LOGO