CTM Message Types
| Decimal ID | Message Name | Message Type | Message description |
| 03 | $PMID | Cypress Proprietary NMEA | Modem ID |
| 04 | $PAID | Cypress Proprietary NMEA | Asset IDs |
| 16 | $GPGLL | Standard NMEA | GPS NMEA GLL Geographic position, latitude / longitude message |
| 19 | $POUTD | Cypress Proprietary NMEA | Digital Output States |
| 20 | $PIND | Cypress Proprietary NMEA | Digital Input States |
| 21 | $PINA | Cypress Proprietary NMEA | Analog Input #1 status |
| 22 | $PINA | Cypress Proprietary NMEA | Analog Input #2 status |
| 23 | $PINA | Cypress Proprietary NMEA | Analog Input #3 status |
| 24 | $PINA | Cypress Proprietary NMEA | Analog Input #4 status |
| 25 | $PINA | Cypress Proprietary NMEA | Analog Input #5 status |
| 26 | $PINA | Cypress Proprietary NMEA | Analog Input #6 status |
| 27 | $PINA | Cypress Proprietary NMEA | Analog Input #7 status |
| 28 | $PINA | Cypress Proprietary NMEA | Analog Input #8 status |
| 29 | $PNETD | Cypress Proprietary NMEA | Detailed Network status (output of RFSTATS) |
| 30 | $PCTM | Cypress Proprietary NMEA | Network status |
| 31 | $PDATA | Cypress Proprietary NMEA | Wireless link TX/RX data count, proprietary NMEA message- $PDATA |
| 32 | $PSNF | Cypress Proprietary NMEA | Store and Forward messages |
| 33 | $PWIFI | Cypress Proprietary NMEA | Wifi Client Network status |
| 34 | $PSIG | Cypress Proprietary NMEA | Signal Quality Message (output of RFSTATS) |
| 35 | $PNETD1 | Cypress Proprietary NMEA | Detailed LTE dynamic Network parameters (output of RFSTATS) |
| 36 | $PNETD2 | Cypress Proprietary NMEA | Detailed LTE static Network parameters (output of RFSTATS) |
| 40 | Cypress Proprietary Binary | Device phone number, PAD Port/Type, serial port baud | |
| 80 | $GPGGA | Standard NMEA | GPS NMEA GGA Fix Data message- $GPGGA |
| 82 | $GPRMC | Standard NMEA | GPS NMEA RMC Recommended minimum specific GPS/Transit data message |
| 83 | $GPVTG | Standard NMEA | GPS NMEA VTG Track made good and ground speed message |
| 84 | $GPGSA | Standard NMEA | GPS NMEA GSA GPS DOP and active satellites message |
| 85 | ULCP | Cypress Proprietary Binary | ULCP binary format GPS data message |
| 86 | ULCP | Cypress Proprietary Binary | ULCP binary format GPS lat/lon message |
| 88 | ULCP | Cypress Proprietary Binary | ULCP binary format acceleration/decleration event data with GPS |
| 89 | ULCP | Cypress Proprietary Binary | ULCP binary format Modem ID/firmware revision/odometer data |
| 90 | ULCP | Cypress Proprietary Binary | ULCP binary format odometer data |
| 92 | ULCP | Cypress Proprietary Binary | ULCP binary format wireless Link TX/RX Data Count with Modem ID |
| 93 | ULCP | Cypress Proprietary Binary | ULCP binary message for panicreport (CTM-200 only) |
| 97 | ULCP | Cypress Proprietary Binary | ULCP binary format digital I/O with GPS (no events) |
| 98 | ULCP | Cypress Proprietary Binary | ULCP binary format digital input event data with GPS |
| 99 | ULCP | Cypress Proprietary Binary | ULCP binary format MIL status with number of DTC |
| 100 | TAIP PV | Standard TAIP | GPS TAIP PV message |
| 101 | TAIP LN | Standard TAIP | GPS TAIP LN message |
| 111 | ULCP | Cypress Proprietary Binary | ULCP binary format with msg 112, CID, RPM, fuel level, seatbelt, speed, rssi, sqi, accel, pdop |
| 112 | ULCP | Cypress Proprietary Binary | ULCP binary format modem ID with GPS |
| 113 | ULCP | Cypress Proprietary Binary | ULCP binary format digital input/output (IO), modem ID, with minimal GPS (time,lat/lon,validity) (CTM-200 only) |
| 114 | $PGPS | Cypress Proprietary NMEA | GPS with modem ID (based on RMC) |
| 115 | $PKML | Cypress Proprietary NMEA | NMEA Message for Google Earth application (kmlserver) |
| 116 | $PPWR | Cypress Proprietary NMEA | Power status |
| 117 | $PRFI | Cypress Proprietary NMEA | CDMA/EV-DO Network diagnostic report |
| 118 | $GPGSV | Standard NMEA | GPS NMEA GSV GPS Satellites in view message |
| 119 | $POBDA | Cypress Proprietary NMEA | OBD II Group A |
| 120 | $POBDB | Cypress Proprietary NMEA | OBD II Group B |
| 121 | $POBDC | Cypress Proprietary NMEA | OBD II Group C |
| 122 | $POBDD | Cypress Proprietary NMEA | OBD II Group D |
| 123 | $POBDE | Cypress Proprietary NMEA | OBD II Group E (CTM-200 only) |
| 124 | $POBDF | Cypress Proprietary NMEA | OBD II Group F (CTM-200 only) |
| 125 | $POBDG | Cypress Proprietary NMEA | OBD II Group G (CTM-200 only) |
| 126 | $POBDH | Cypress Proprietary NMEA | OBD II Group H (CTM-200 only) |
| 127 | $GLGSV | Standard NMEA | GLONASS NMEA GSV message-$GLGSV |
| 128 | $QZGSV | Standard NMEA | QZSS NMEA GSV message-$QZGSV |
| 129 | $BTVEG | Vendor Properietary NMEA | Intergraph's GPS message |
| 135 | $PACC | Cypress Proprietary NMEA | X/Y/Z Acceleration |
| 136 | $PACCEL | Cypress Proprietary NMEA | Acceleration/Deceleration with Modem ID |
| 137 | $PODO | Cypress Proprietary NMEA | GPS Odometer with Modem ID |
| 138 | $PACCEL2 | Cypress Proprietary NMEA | Acceleration/Deceleration (2nd source) with Modem ID |
| 139 | $PLACCEL | Cypress Proprietary NMEA | Lateral Acceleration with Modem ID (CTM-200 only) |
| 140 | $PFUEL | Cypress Proprietary NMEA | FUEL ECONOMY with Modem ID (CTM-200 only) |
| 141 | $PIDLE | Cypress Proprietary NMEA | IDLE TIME with Modem ID, proprietary NMEA message- $PIDLE (CTM-200 only) |
| 142 | $PFUELR | Cypress Proprietary NMEA | FUEL RATE(L/100Km) with Modem ID (CTM-200 only) |
| 150 | $PMEX | Cypress Proprietary NMEA | Modbus Master Exception (CTM-200 only) |
| 151 | $PMBM | Cypress Proprietary NMEA | Modbus slave device 1's state queried by Modbus Master (CTM-200 only) |
| 152 | $PMBM | Cypress Proprietary NMEA | Modbus slave device 2's state queried by Modbus Master (CTM-200 only) |
| 153 | $PMBM | Cypress Proprietary NMEA | Modbus slave device 3's state queried by Modbus Master (CTM-200 only) |
| 154 | $PMBM | Cypress Proprietary NMEA | Modbus slave device 4's state queried by Modbus Master (CTM-200 only) |
| 255 | ULCP | Cypress Proprietary Binary | ULCP Custom Message- Flexible Format |
| 255 | ULCP | Cypress Proprietary Binary | ULCP Custom Message for spreader controllers (CTM-200 only) |
| X | $PEVENT | Cypress Proprietary NMEA | Trigger/event message - $PEVENT (CTM-200 only) |
| X | $PGRT | Cypress Proprietary NMEA | Geo-Route alarm/alert message with Modem ID - $PGRT (CTM-200 only) |
| 1000-1999 | $PCYP | Cypress Proprietary NMEA | PCYP message |