Provide safe and efficient two-way voice communications
| Operating Voltage: | 24VDC nominal |
| Current Idle: | 25 mA |
| Current Connected: | 100 mA max. |
| Handset Microphone Type: | Dynamic Handset |
| Material: | Moulded Polycarbonate/ABS Blend |
| Handset Cord: | Polyurethane |
| Stubby Microphone Type: | Dynamic |
| Stubby Mic Sensitivity: | -54dBA |
| Stubby Mic Enclosure: | Stainless Steel |
| Audio Output: | 2.7 Vrms / 1k Ohm load |
| Volume Control via Keypad: | 30dBA in ten steps |
| Ingress Protection: | IP66 (IP65 on handset) |
| Line Attenuation: | 24dBA@160kb/s Max |
| Loop Resistance: | 170 Ohm Max |
| Distance: | 1.2 miles, 2.0 kms Max. |