| Monitor Receiver | |||||||
| Product Code 36 | |||||||
| Product | Decoder Type | Decode Capacity | Channel Spacing | Power Supply | Channel Capcity | CG | Freq Range |
| N | S | 0 | 4 | M | A | S | 11 |
| Monitor Receiver | Standard | Standard | 20 KHz Channels | 117 VAC | 1 Freq | Standard | 25-33 MHz |
| D | 2 | 5 | N | D | U | 22 | |
| Type 99 Decoder | Two Reeds Type 99 | 25 KHz Channels | 117 VAC and Standby Battery | 2 Freq | Channel Guard | 33-42 MHz | |
| T | 4 | 6 | 33 | ||||
| Type 90 Decoder | Four Reeds Type 99 | 30 KHz Channels | 42-50 MHz | ||||
| 55 | |||||||
| 132-150.8 MHz | |||||||
| 66 | |||||||
| 150.8-174 MHz | |||||||
| 77 | |||||||
| 406-420 MHz | |||||||
| 88 | |||||||
| 450-470 MHz | |||||||