Continental G12N51RG1/G12N50RG1 Telematics Connectivity Platform Module (TCP) User Manual
Product: GM OnStar Gen12 Telematics Connectivity Platform Module (TCP)
Models: G12N51RG1, G12N50RG1
Date: October 8, 2024
1. Scope of Document
This document provides a short overview and description of the Telematics Connectivity Platform Module (TCP) models G12N51RG1 and G12N50RG1.
2. General Product Information
Product Type: Telematics Connectivity Platform Module (TCP)
Manufacturer, Applicant: Continental Automotive Systems, Inc.
21440 West Lake Cook Road
Deer Park, IL 60010
United States of America
Brand/Trademark: Continental
Factory/Manufacturing Location: Continental Automotive Maquila Mexico, S. de R.L. de C.V.
Carretera Panamericana Sur No, Ext. 114+354 No. Int. 9
Colonia: Parque Industrial Finsa Aguascalientes C.P. 20393
Country of Origin: Mexico
3. System Overview
3.1 Short Description of the TCP
The Telematics Connectivity Platform Module (TCP) is designed for GM's GEN12 ONSTAR program. It integrates telematics transceivers for various wireless services and includes interfaces to the vehicle, providing diverse connectivity services.
4. North America (NA) Variants
| TCP Variant | TCP Model Number | NAD Model Number |
|---|---|---|
| TCP NA | G12N51RG1 | FE5NAR110 |
| TCP NA | G12N50RG1 | FE5NAR111 |
5. Mechanical Design
5.1 Pictures of the Housing
The document displays images of the TCP housing. One image shows the top view with connectors labeled X1, X2, X3, X4, X6, and X7. The other image shows a different perspective of the module.
6. Description of the TCP
6.1 Product Features
The TCP includes:
- NAD with 3G/4G/5G and GNSS
- External and internal antennas
- Voice and Data capabilities
- 4G: 4x4 DL-MIMO
- 5G: 4x4 MIMO for DL and 2x2 MIMO for UL
- Internal embedded Sim-IC
- Audio subsystem with analog microphone input and speaker output
- Digital audio interfaces including CODEC and audio PA (Power Amplifier)
- Service calls
- Emergency calls
- Internal Backup Battery (BUB)
- GNSS L1/L5
- Support for Glonass, Beidou, Galileo, GPS
External interfaces include:
- Main power supply
- Primary LTE antennas
- GPS Input
- Three-button keypad
- LED control
- External microphone (MIC+/-) input/output
- External backup speaker (SPK+/-) output
- CAN
- Ethernet 1000BaseT1
- Debug interfaces (USB, UART)
6.2 Wireless Services
The TCP supports the following wireless services:
- 3G/WCDMA
- 4G/LTE
- 5G
- VoLTE
- Voice/Assistance Calls:
- Emergency Calls
- Assistance Calls (limited to specific fixed phone numbers)
- Global Positioning and Navigation: GPS, GNSS, Beidou, Glonass
- Data Services
Ethernet:
| Model Number | Speed |
|---|---|
| G12N51RG1 | 1 Gbit/s |
| G12N50RG1 | 1 Gbit/s |
6.3 Connectors
The TCP features six types of connectors:
- X1: 20-Pin Main Signal Connector
- X2: 12-Pin Audio Connector
- X3: Quad RF Connector (Cellular PRIMARY, DRX0, GNSS, C-V2X-1)
- X6: Single RF Connector (Present only when V2X is supported)
- X7: 1000BaseT1 Connector
Note: Some variants do not support V2X and will not have the X6 connector or CV2X-1 signal populated.
6.3.1 X1 20-Pin Main Connector Pin Out
| Pin | Signal | Pin | Signal | Pin | Signal |
|---|---|---|---|---|---|
| 1 | VBATT | 8 | CAN_L (IN) | 15 | |
| 2 | VBATT | 9 | GND | 16 | |
| 3 | 10V_REF | 10 | GND | 17 | |
| 4 | Keypad_IN | 11 | 18 | GND | |
| 5 | Green_LED | 12 | 19 | CAN_H (OUT) | |
| 6 | Red_LED | 13 | 20 | CAN_L (OUT) | |
| 7 | CAN_H (IN) | 14 | *Continental Debug Signals |
6.3.2 X2 12-Pin Audio Connector Pin Out
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | SPKR_P | 7 | MIC_OUT_N |
| 2 | SPKR_N | 8 | MIC_IN_P |
| 3 | Not Connected | 9 | MIC_IN_N |
| 4 | Not Connected | 10 | MIC Shield |
| 5 | GND | 11 | GND |
| 6 | MIC_OUT_P | 12 | GND |
6.3.3 X3 Quad RF Connector
The X3 connector has the following pins:
- Pin 1: GNSS
- Pin 2: V2X_1
- Pin 3: DRX0/5G Tx2
- Pin 4: Primary
A diagram shows the connector cavity view with pin assignments.
6.3.4 X6 Single RF Connector
This connector is present only when V2X is supported.
| Pin | Signal |
|---|---|
| 1 | V2X_2 |
A diagram shows the connector.
6.3.5 X7 1000BASET1 Connector
| Pin | Signal |
|---|---|
| 1 | 1000BASET1+ |
| 2 | 1000BASET1- |
A diagram shows the connector.
6.4 Audio Subsystem
The TCP audio system provides a hands-free interface for emergency calls and call center concierge services within the vehicle. It features a microphone front end input and an amplifier speaker driver (Class D amplifier).
6.5 Keypad Subsystem
The keypad subsystem interfaces the user with the TCP for emergency and call center functions. It includes:
- Three button interfaces:
- Phone Button (for accepting/ending calls, initiating OnStar Screen)
- OnStar Button (to initiate an OnStar call to the Backoffice)
- Emergency Button (to initiate an Emergency call to the Backoffice)
- Two color indicator LEDs: Green and Red.
6.6 TCP External Antennas
- Cell ANT1: 3G/4G/LTE1/5G (outside vehicle), primary external
- Cell ANT2: 4G/LTE2 (Rx LTE only)/5G (outside vehicle), secondary external
- GNSS patch (outside vehicle)
- XM patch (outside vehicle)
6.7 TCP Internal Antennas
- Cell/Backup ANT3, internal ANT1: 3G/4G/LTE1/5G (inside vehicle), primary internal
- Cell/Backup ANT4, internal ANT2: 4G/LTE2 (Rx LTE only)/5G (inside vehicle), secondary internal
6.8 TCP External or Internal Antennas Usage
The TCP selectively uses either internal or external antennas, but not both simultaneously. The selection is based on the use case, and antennas do not transmit concurrently.
6.9 3G, 4G, 5G Antenna Usage
Antenna usage for different bands is detailed in the following tables:
External Transmit Antennas
| Ext ANT1 | Ext ANT2 | |||||
|---|---|---|---|---|---|---|
| 3G/4G | 5G NSA | 5G SA | 3G/4G | 5G NSA | 5G SA | |
| All 3G and 4G bands | n2, n5, n66 | n25, n41, n66, n71, n77, n78 | --- | n77, n78 | n41, n77, n78 | |
Internal Transmit Antennas
| ANT3/Int ANT1 | ANT4/Int ANT2 | |||||
|---|---|---|---|---|---|---|
| 3G/4G | 5G NSA | 5G SA | 3G/4G | 5G NSA | 5G SA | |
| All 3G and 4G bands | n2, n5, n66 | n25, n41, n66, n71, n77, n78 | --- | n77, n78 | n41, n77, n78 | |
6.9.1 5G Uplink MIMO
| Frequency Bands | MIMO Transmit antennas |
|---|---|
| 41 | Primary external antenna and secondary external antenna, or primary internal antenna and secondary internal antenna |
| 77 | Primary external antenna and secondary external antenna, or primary internal antenna and secondary internal antenna |
| 78 | Primary external antenna and secondary external antenna, or primary internal antenna and secondary internal antenna |
6.9.2 5G SISO
| Frequency Bands | SISO Transmit antennas |
|---|---|
| 2 | Primary external antenna or primary internal antenna |
| 5 | Primary external antenna or primary internal antenna |
| 25 | Primary external antenna or primary internal antenna |
| 41 | Secondary external antenna or secondary internal antenna |
| 66 | Primary external antenna or primary internal antenna |
| 71 | Primary external antenna or primary internal antenna |
| 77 | Secondary external antenna or secondary internal antenna |
| 78 | Secondary external antenna or secondary internal antenna |
7. Wireless Services
7.1 3G/WCDMA, supported by external ANT1 or internal ANT1:
Wireless service: 3G/WCDMA
Frequency bands / range: Band 2 (1900 UMTS): 1850-1910 / 1930-1990 MHz, Band 4 (1700 UMTS): 1710-1755 / 2110-2155 MHz, Band 5 (850 UMTS): 824-849 / 869-894 MHz
Electrical output power (conducted into 50 Ohm): +23.0 dBm +1.0/-2.0 dB
7.2 4G/LTE1, supported by external ANT1 or internal ANT1:
Wireless service: 4G/LTE1
Frequency bands / range: FDD Band 2 (1900 LTE): 1850-1910 / 1930-1990 MHz, FDD Band 4 (1700 LTE): 1710-1755 / 2110-2155 MHz, FDD Band 5 (850 LTE): 824-849 / 869-894 MHz, FDD Band 7 (2600 LTE): 2500-2570 / 2620-2690 MHz, FDD Band 12 (700 LTE): 699-716 / 729-746 MHz, FDD Band 13 (750 LTE): 777-787 / 746-756 MHz, FDD Band 14 (700 LTE): 788-798 / 758-768 MHz, FDD Band 28a (700 LTE): 703-718 / 758-773 MHz, FDD Band 28b (700 LTE): 718-748 / 773-803 MHz, FDD Band 29Rx (700 LTE): - / 717-728 MHz, FDD Band 30Rx (2300 LTE): - / 2350-2360 MHz, FDD Band 66 (1700 LTE): 1710-1780 / 2110-2200 MHz, FDD Band 71 (600): 663-698 / 617-652 MHz
Electrical output power (conducted into 50 Ohm): +23.0 dBm +1.0/-2.0 dB
7.3 4G/LTE2 (Rx LTE only), supported by external ANT2 or internal ANT2:
Wireless service: 4G/LTE2 (Rx LTE only)
Frequency bands / range: Band 2 (1900 LTE): 1930-1990 MHz, Band 4 (1700 LTE): 2110-2155 MHz, Band 5 (850 LTE): 869-894 MHz, Band 7 (2600 LTE): 2620-2690 MHz, Band 12 (700 LTE): 728-746 MHz, Band 13 (750 LTE): 746-756 MHz, Band 14 (700 LTE): 758-768 MHz, Band 28a (700 LTE): 758-773 MHz, Band 28b (700 LTE): 773-803 MHz, Band 29Rx (700 LTE): 717-728 MHz, Band 30Rx (2300 LTE): 2305-2360 MHz, Band 66 (1700 LTE): 2110-2200 MHz, Band 71 (600): 617-652 MHz
7.4 5G, supported by external or internal antennas:
Wireless service: 5G
Frequency bands / range:
- Supported by external ANT1 or internal ANT1: Band n2 (1900): 1850-1910 / 1930-1990 MHz, Band n5 (850): 824-849 / 869-894 MHz, Band n25 (1900): 1850-1915 / 1930-1995 MHz, Band n41 (2500): 2496-2690 MHz, Band n66 (1700): 1710-1780 / 2110-2200 MHz, Band n71 (600): 663-698 / 617-652 MHz, Band n77 (Part 270, 3700): 3700-3980 MHz, Band n78 (RSS-192, 3500): 3450-3650 MHz
- Supported by external ANT2 or internal ANT2: Band n41 (2500): 2496-2690 MHz, Band n77 (Part 270, 3700): 3700-3980 MHz, Band n78 (RSS-192, 3500): 3450-3650 MHz
Electrical output power (conducted into 50 Ohm):
- Band n2: PC3: +23.0 dBm +1.0/-2.0 dB
- Band n5: PC3: +23.0 dBm +1.0/-2.0 dB
- Band n25: PC3: +23.0 dBm +1.0/-2.0 dB
- Band n41: PC2: +26.0 dBm +1.0/-2.0 dB
- Band n66: PC3: +23.0 dBm +1.0/-2.0 dB
- Band n71: PC3: +23.0 dBm +1.0/-2.0 dB
- Band n77: PC2: +26.0 dBm +1.0/-2.0 dB (*)
- Band n78: PC3: +23.0 dBm +1.0/-2.0 dB (**)
(*) The total loss in vehicle for n77 is declared as 5.35 dB (Power_back-off = 4 dB, TCU_Loss = 1.35 dB).
(**) The total loss in vehicle for n78 is declared as 2.35 dB (Power_back-off = 1 dB, TCU_Loss = 1.35 dB).
7.5 GNSS Receiver:
| Model Number | GNSS |
|---|---|
| G12N51RG1 | L1/L5 |
| G12N50RG1 | L1 |
GNSS Receiver:
- L1: GNSS L1 Frequency Band: Beidou-B1I, GalileoE1, GLONASS-G1, GPS-L1 and SBAS-L1
- L5: GNSS L5 Frequency Band: Galileo-E5A and GPS-L5, Beidou-B2A
SBAS supported: EGNOS/MSAS/QZSS/WAAS/GAGAN. AGNSS not supported.
8. Technical Data
8.1 Operating Temperature Range
-40°C to 90°C
8.2 Supply Voltage
Nominal: 12 V dc
Supply Voltage Range: 6 V to 18 V dc
8.3 Supply Current Consumption
- Typical standby current: 250mA dc (at 12 V)
- Typical active current consumption: 350mA dc (at 12 V)
- Maximum active current consumption: 600mA dc (at 12 V)
8.4 Power Consumption
Typical power consumption: 5.5W (Cellular, GNSS active)
9. Product Label Information
9.1 USA/Canada
Model: G12N51RG1 or G12N50RG1
Contains FCC ID: LHJ-FE5NAR110
Contains IC: 2807E-FE5NAR110
10. Owner Manual Statements
10.1 Owner Manual USA/Canada
This device complies with Part 15 of the FCC Rules and Industry Canada licence-exempt RSS standard(s). Operation is subject to two conditions: (1) no harmful interference, and (2) acceptance of any interference.
This device complies with FCC/ISED radiation exposure limits for an uncontrolled environment and meets FCC RF Exposure Guidelines and RSS-102 RF Exposure rules.
This transmitter must not be co-located or operated with any other antenna or transmitter.
Antenna Separation Distances:
- External shark fin antennas (Molex part numbers 26464255 and 26464260): at least 1 cm from the human body.
- External shark fin antenna (Continental part number 86783279): at least 23 cm from the human body.
- External front fender antenna (Continental Y2XX, part numbers 86784729 and 86784728): at least 27 cm from the human body.
- External window glass antenna (Amphenol L246, part numbers 85038208, 85038209, 85038210, 85732934): at least 20 cm from the human body.
- TCP internal antennas (INTANT01 and INTANT02): at least 2.5 cm from the human body.
FCC Class B Digital Device Notice: This equipment has been tested and found to comply with Class B limits. It generates, uses, and can radiate RF energy. If interference occurs, users are encouraged to reorient/relocate the antenna, increase separation, connect to a different circuit, or consult a technician.
Continental Automotive Systems, Inc. has not approved any changes or modifications by the user, as this could void the user's authority to operate the equipment.
CAN ICES-3 (B) / NMB-3 (B): This Class B digital apparatus complies with Canadian ICES-003.
(Note: The document also contains French translations for compliance statements and separation distances.)
