| Model | Description | Manufacturer |
|---|---|---|
| Doorbell and Telephone Ringer Amplifier | Geemarc Telecom International | |
| 433.92MHz Transmitter | Geemarc Telecom International | |
| 433.92MHz Transmitter | Geemarc Telecom International | |
| 433.92MHz Transmitter | Geemarc Telecom International | |
| Door Bell Signaller | Geemarc Telecom International | |
| 433MHz Remote Control | Geemarc Telecom International | |
| 900 MHz Cordless Phone | Geemarc Telecom International |
