Press pager(APE560), then the wireless receiver(SC-R50) will receive the signal of pager, and someone will come to provide service. For customers to notify the waiters. Wireless fluid system is widely used in the service area. It includes the buttons for guests to use and the signal receiver for waiters to use. When the guest is in need, he or she just presses the button near him or her, his or her desk number will be displayed with music or vibration. Wireless receiver SC-R50 01. Built-in antenna fixed receiver. Long signal distance, strong stability. 02. Touchable keys. Standby mode, showing the current time 03. 7 kinds of music, with voice reporting function, music length can be set. 04. With a 299 call extension, convenient and fast registration method 05. Two register modes are optional.(multi-key or single-key mode). Compatibility special multi-functional buttons(APE100) directly Dimensions:12.2*4.3*1.5 in(310*110*37mm) Net weight: 1.17lb(530g) Installation: Table, Wall-hung,Hanging Shell material: ABS Surface treatment: dull polish Display type: one group of 3-5 digits (can be set) having storage function Power supply: 100-240V AC 50/60Hz -DC12V/1A Prompt mode: 7 kinds of music, 3 kinds of scene voice reporting Prompt music length: 2-30 seconds Receiver sensibility: -114dBm Frequency: 433.92MHz Call button capacity: 299 English letter beginning display: A, B, C, D, E, F, H, P, L, J. Display time: 1-99 seconds, or infinite Pager APE560 01. Equipped with waterproof base. 02. Stable login mode. 03. Anti-temperature and humidity changes. 04. The number can be changed optionally with strong re-use ability. Call output: 20db UV/m Us Frequency Range: 433MHZ Frequency deviation: 0.5 Mhz ;Specifications: 60*60*30mm Call distance: 130-200ft(40-60m) indoors, 1600-2600ft(500-800m) in the open air Power Supply: Alkaline Battery 12V 23A package include Wireless receiver x 1 Pager x 5