| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | T0905-TSPH | IC PA 135MHZ - 600MHZ 28SSOPRF Amplifier IC ISM 135MHz ~ 600MHz 28-PSSOP | Microchip Technology |
| 3 | DS1E-S-DC24V | RELAY GEN PURPOSE SPDT 2A 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 4 | RSE500211 | SMITHS, LCRelay | Amphenol Pcd |
| 5 | SR3P-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 6 | ADW1105HLW | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | S4EB-L-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay SPST-NO (1 Form A) x 4 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 1462051-1 | RELAY RF SPDT 2A 3V | TE Connectivity Potter & Brumfield Relays |
| 9 | 70-IDC5B | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 18mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |