DSC WS4920HE Wireless Repeater New to the DSC family of wireless products, the WS4920 Wireless Repeater delivers an easy-to-install wireless device that significantly extends the range for DSC 1-way wireless devices from the control panel/receiver and compensates for interference sources by improving the signal quality. The WS4920 repeats the 1-way wireless device’s signal to ensure high-quality signals are transmitted to the control panel/receiver. DSC WS4920HE Wireless Repeater Extends The Range From The Control Panel. The WS4920 repeats the 1-way wireless device s signal to ensure high-quality signals are transmitted to the control panel/receiver. Check out our entire store for more great products and deals! We do however make every possible attempt to accurately describe the inventory we sell and stand behind it. Since 2016, 8TEN Industries has been a leading asset recovery provider supporting national retailers, brands, and manufacturers. Our 60,000 square foot processing and distribution facility located in Cass City, Michigan has allowed us to become industry leader in turning difficult problems for manufacturers into great deals for our customers.