Touch screen keypad keyboard transmitter one calling many system
Product Description
Touch Panel Transmitter Keypad:
1.Wireless coding:1527;
2.Operating current:100±30mA;
3.Standby current:24±5mA;
4.Operating frequency: 433MHz;
5.Kit of 5/10/15/20pcs receiver available, maximun 1 transmitter keypad can work with 9999pcs pager receiver or 499kits of kit of 20;
6.W110*D165*H36mm;
7. Range: 1000 meters (in sight)