| Model | Description | Manufacturer |
|---|---|---|
| EnergyAxis Gas Module | Elster Solutions | |
| Vehicle-Based Mobile Wireless Meter Reading Equipment | Elster Solutions | |
| VRT Hand Held Interrogator | Elster Solutions | |
| VRT Hand Held Interrogator | Elster Solutions | |
| Hand Held Interrogator | Elster Solutions | |
| PI900 | Elster Solutions | |
| Hand Held Interrogator | Elster Solutions | |
| PI900W | Elster Solutions | |
| Mini-Mobile Interrogator | Elster Solutions | |
| A low power short range programmer interrogator | Elster Solutions | |
| A low power short range programmer interrogator | Elster Solutions | |
| URFI | Elster Solutions | |
| VRT Residential Gas Transponder | Elster Solutions | |
| Remote Water and Gas Meter Transponder | Elster Solutions | |
| Pit Water Meter Transponder | Elster Solutions | |
| 2.4 GHz Communications Option Board | Elster Solutions |
