| Electrical Characteristics |  | 
| Power supply type | Linear type recommended | 
| Operating voltage range | 5 – 16 V DC | 
| Maximum input current | Standby: 35 mARead: 50 mA | 
| Tamper output | Open collector, active low, max. sink current 16 mA | 
| RF modulation | ASK | 
| Ranges |  | 
| Max. cable distance to controller | 500 ft. (150 m) | 
| Operating temperature range | -25°F to 145 °F (-31 °C to 63 °C) | 
| Operating humidity | 0 to 95% (non condensing) | 
| Read range * | 3.94 inch (10 cm) | 
| Dimensions (H x W x D) | 4.72 x 1.65 x 0.55 inch(120 x 42 x 14 mm) |