16-Key Series (1000 Series)
| Number of Keys | 16 |
| Key Layout | 4 × 4 Matrix |
| Key Material | Zinc alloy |
| Frame Material | Zinc alloy |
| Switching Technology | Carbon-on-gold key switch with PCB |
| Actuation Force | 200 g |
| Key Travel | 1.5 mm |
| Key Size | 10.0 × 10.0 mm |
| Key Life | >2,000,000 cycles per key |
| Contact Resistance | ≤ 100 Ω |
| Interface | 8-pin male connector |
| Operating Temperature | -25°C to +75°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP65 (when front-panel mounted to suitable enclosure) |
| Vandal Resistance | IK rating (impact resistant) |
| Reliability | Designed for hostile public environments |
| Protection | Corrosion and weather resistant |