wireless signal repeater, 868 mhz alarm system, security gsm alarm
contact person: roy c. email: finseen6 at gmail com
wireless signal repeater fs-sr31-wa
1) 433 / 868 mhz optional
2) microcomputer control, stable and reliable performance; 3) ac/dc both available, with inbuilt rechargeable lithium battery; 4) forward wireless signals to extend wireless transmission distance. 5) working power: 12vdc, backup battery: 3.7v / 800ma lithium battery, charge time: morethan12 hours 6) distance can be extended: morethan150m
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