| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | NC2EBD-DC5V | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 3 | B41-0001 | RELAY RF 4PST 250MA 5V | Coto Technology |
| 4 | G73Z-11Z | RELAY HEAVY DUTY-CONTACT BLOCKAuxiliary Contact Block G7Z Series | Omron Automation and Safety |
| 5 | G6Z-1FE DC12 | RELAY RF SPDT 10MA 12V | Omron Electronics Inc-EMC Div |
| 6 | 2900943 | RIF-LV-48-60 UC | Phoenix Contact |
| 7 | G6ZK-1P-A DC24 | RELAY RF SPDT 10MA 24V | Omron Electronics Inc-EMC Div |
| 8 | G6ZK-1P-A DC9 | RELAY RF SPDT 10MA 9V | Omron Electronics Inc-EMC Div |
| 9 | HAC60A150 | SOLID STATE RELAY 600 V | Sensata-Crydom |