![AUTO-HIGHTECH - 433 MHz 200-500m Wireless Range Signal Repeater Booster For Home Security Alarm](https://hackspark.fr/5323-large_default/auto-hightech-433-mhz-200-500m-wireless-range-signal-repeater-booster-for-home-security-alarm.jpg)
It fits in alarm system,calling system and remote control,etc.
Freq: 315mhz or 433mhz repeater.
Working voltage: DC 12v
Receiver: -102db
Repeater power: From 100m ~ 3000m by your requirement,
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It fits in alarm system,calling system and remote control,etc.