| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2658 | SIM CARD ADAPTER 3PACK | Adafruit Industries LLC |
| 2 | T81N5D312-24 | RELAY TELECOM SPDT 1A 24VTelecom Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | RSE112115 | CONN RELAY SOCKETRelay | Amphenol Pcd |
| 4 | RSL116078-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | RSE116184-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 6 | RS16 | RELAY SOCKET 8 PINRelay Socket Channel, Track | Curtis Industries |
| 7 | 2271390 | PLUG-IN BASE STD I/O MODULESRelay Socket Through Hole | Phoenix Contact |
| 8 | P7TF-OS16-1 DC12-OLD | RELAY BLK OUTBASE ONLY 12VDCI/O Module Rack Channel | Omron Automation and Safety |
| 9 | 70LRCK24-DIN | I/O MOUNTING BRD OPENLINE 24POSI/O Module Rack 24 Channel | Grayhill Inc. |