| Manufacturer | Part Number | Description |
|---|---|---|
| Nortech Nortech | PD130 | (PD130 / PD139) Single Channle Loop Detectors |
| Nortech Nortech | PD139 | (PD130 / PD139) Single Channle Loop Detectors |
| Manufacturer | Part Number | Description |
|---|---|---|
| Nortech Nortech | PD130 | (PD130 / PD139) Single Channle Loop Detectors |
| Nortech Nortech | PD139 | (PD130 / PD139) Single Channle Loop Detectors |