Description
| Digits Show | |
| Frequency | 315 MHz |
| Applicable Power Supply | ≥1A |
| Transmitters | Work with 999 pcs transmitters in max |
| Connect Distance | 1000meter max in open place |
| Dimension | 230mm x 110mm x 40mm |
MB203D & MB203K-Call Bell System
| Digits Show | |
| Frequency | 315 MHz |
| Applicable Power Supply | ≥1A |
| Transmitters | Work with 999 pcs transmitters in max |
| Connect Distance | 1000meter max in open place |
| Dimension | 230mm x 110mm x 40mm |
