CANlink® mobile 3700 Datasheet
Page Contents
Introduction¶
In the following, you find the technical specifications for the CANlink® mobile 3700 series.

All assembly drawings can be found in the Annex.
Datasheet¶
The CANlink® mobile 3700 is the successor of the CANlink® mobile 3600 device family, offering optimized connectivity with 4G LTE Cat 1bis and Wi‑Fi 6 along with a more powerful processing platform and greater memory capacity.
The device is designed for industrial and off-highway applications and maintains mechanical mounting compatibility with the CANlink® mobile 3600 and CANlink® mobile 10000 device families.
Type Overview¶
All Types in the table are Standard Variants.
| Housing Form | Type | Part Number | Battery | Antenna | Ethernet |
|---|---|---|---|---|---|
![]() |
3733 3737 |
253004822 253004813 |
- ✓ |
Integrated Integrated |
- - |
![]() |
3773 3777 |
253004823 253004814 |
- ✓ |
External1 External1 |
- - |
![]() |
3731 | 253004820 | - | Integrated | ✓ |
![]() |
3771 | 253004821 | - | External1 | ✓ |
Note: Customer Specific Variant (Type 3721, Part Number 253004400, Housing Type MT14) is also available. The features External Antenna, Battery, Ethernet (SPE), LIN, 1-Wire, Digital Output and CAN3 are not available.
All Standard Types support¶
- Digital Output
- LIN
- 1-Wire
- CAN1, CAN2 and CAN3
- 4G LTE Cat 1bis with global band support
- Wi-Fi 6 dual band
- Bluetooth Low Energy (BLE) v5.1
-
GNSS: GPS / Galileo / BeiDou / Glonass / QZSS concurrent reception
-
2x analog input (0–15 VDC)
- 1x Terminal 15 input
- 3-axis acceleration
- 3-axis gyroscope
- Trusted Platform Module (TPM)
- Real-time clock
Technical Specifications¶
Mechanical¶
| Parameter | Value |
|---|---|
| Housing | GH1209 |
| Dimensions (L/W/H) | ≤ 123 / ≤ 87.5 / ≤ 37.5 mm |
| Mounting | 2x M5 mounting holes |
| Protection class | IP6K7 |
| Material | PA66 |
| Color | Black |
| Weight | < 220 g |
Electrical¶
| Parameter | Value |
|---|---|
| Supply voltage Terminal 30 | 6 – 36 VDC |
| Reverse polarity protection | -36VDC |
| Overvoltage protection | +36VDC |
| Operating current average @24 VDC | < 200 mA |
| Peak current @24 VDC | 1A |
| Sleep current @24 VDC | < 500 µA |
| Battery type | Lithium-polymer |
| Battery capacity | 7.4 Wh |
| Battery charging current (internal Vbat) | < 500 mA |
| Status indicators | 2x RGB LEDs |
| Power modes | Normal, battery, sleep |
I/O characteristics¶
| Parameter | Value |
|---|---|
| Main connector | Micro Timer II, 14 contacts |
| Analog inputs | 2x (0–15 VDC, 12-bit resolution) |
| Terminal 15 input | Yes |
| Digital output | 1x (6–36 VDC / 500 mA) |
Processor and memory¶
| Parameter | Value |
|---|---|
| Microcontroller (MCU) | STM32H7 |
| CPU frequency | ≤ 400MHz |
| RAM | 9 MB |
| Flash | 130 MB |
| NV-RAM | 64 KB |
Sensors¶
| Parameter | Specification |
|---|---|
| Temperature (not calibrated) | -40 to +85 °C |
| Acceleration (not calibrated) | 3 axes, ±16 g, 16-bit |
| Gyroscope (angular rate sensor, not calibrated) | 3 axes, ±250 °/s, 16-bit |
Cellular connectivity¶
| Parameter | Value |
|---|---|
| Technology | 4G LTE Cat 1bis |
| LTE bands | B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B34, B38, B39, B40, B41, B66 |
| Max theoretical downlink | 10 Mbit/s |
| Max theoretical uplink | 5 Mbit/s |
| Max transmit power | +23 dBm |
| Receiver sensitivity | -98 dBm |
| SIM | Embedded MFF2 Proemion SIM and nano-SIM slot |
| Antenna | Single, integrated or external Quad HFM connector (Z-code) |
Wi-Fi¶
| Feature | Specification |
|---|---|
| Standard | 802.11 ax/a/b/g/n |
| Transmit/receive mode | 1x1 SISO (single transmit/receive antenna) |
| Channel bandwidth | ≤ 20MHz |
| Frequency bands | 2.4 GHz / 5 GHz |
| Max PHY data rate | up to 96 Mbit/s |
| Max transmit power | 2.4 GHz: +18.5 dBm / 5 GHz: +18 dBm |
| Receiver sensitivity | ≥ -94 dBm @ 2.4 GHz / ≥ -86 dBm @ 5 GHz |
| Security | WPA2-Personal/Enterprise, WPA3-Personal/Enterprise |
| Modes | Station, SoftAP |
| Antenna | Single, integrated or external Quad HFM connector, Z-code (combined with Bluetooth) |
Bluetooth¶
| Feature | Specification |
|---|---|
| Bluetooth Low Energy (BLE) | Version 5.1 |
| Classic Bluetooth | Not supported |
| Frequency band | 2.4 GHz |
| Max PHY data rate | 1 Mbit/s (LE 1M PHY) |
| Max transmit power | +0.8 dBm |
| Receiver sensitivity | -89 dBm |
| Mode | Gateway mode, CA-CAN-BLE bridge mode |
| Antenna | Integrated or external Quad HFM connector, Z-code (combined with Wi-Fi) |
GNSS/Positioning¶
| Feature | Specification |
|---|---|
| Satellite systems | GPS / Galileo / Beidou / Glonass / QZSS concurrent reception |
| Position accuracy | ≤ 2.5 m (CEP 50%, 24 h static, -130 dBm, >6 satellites in view) |
| Update rate | 1 Hz |
| Cold start | < 60 s |
| Warm start | < 10 s |
| Hot start | < 5s |
| Receiver sensitivity GPS | cold start -148 dBm, tracking -165 dBm |
| Antenna | Integrated or external Quad HFM connector (Z-code) for active antenna |
CAN interfaces¶
| Feature | Specification |
|---|---|
| CAN1, CAN2, CAN3 interfaces | CAN (2.0 A/B): ISO 11898-2 |
| Max PHY data rate | 1 Mbit/s |
| CAN protocols | CANopen, Layer 2, J1939 |
| Custom protocols | On request |
| Wake-up capability | CAN1 and CAN3 |
Other interfaces¶
| Feature | Specification |
|---|---|
| LIN | v2.2A, physical layer ISO 17987-4, commander mode, 20 kbit/s |
| 1-Wire | Asynchronous serial, half-duplex, commander mode, 3.3V level, no supply for responder |
| Single Pair Ethernet (SPE) | IEEE 802.3bw 100BASE-T1, max. PHY data rate 100 Mbit/s |
| SPE connector | H-MTD connector (Z-code) |
| Wake-up capability (SPE) | TC10 |
Note
Single Pair Ethernet (SPE) hardware is available but currently not supported by the firmware.
Security¶
| Feature | Supported |
|---|---|
| Trusted Platform Module | Yes |
| Secure firmware update | Yes |
| Encrypted data transmission according to TLS | Yes |
| Bidirectional authentication |
Environmental¶
| Parameter | Specification |
|---|---|
| Operating temperature (Types without battery) | -40 to +80 °C |
| Operating temperature (battery discharge) | -20 to +50 °C |
| Operating temperature (battery charge) | 0 to +35 °C |
| Humidity | < 90% |
| Vibration | 10 g |
| Shock | 30 g |
| Service life | ≥ 10 years |
Accessories¶
The following accessories are compatible with CANlink® mobile 3700:
| Description | Part number |
|---|---|
| CANlink® mobile 3700 Launch Kit | 253000191 |
| CANlink® Connector kit | 132600031 |
| External antenna, LTE/GNSS/Wi-Fi, 3 m cable, HFM-Quad connector | 157000136 |
| Main connector cable, 14-pin (Micro Timer II, COD.1), open wire ends, 30 cm | 136000188 |
| Main connector cable, 14-pin (Micro Timer II, COD.1), open wire ends, 2 m | 136000198 |
| Mounting kit, M5, housing GH120x | 141000017 |
| Single-pair Ethernet cable, 2 m (H-MTD to H-MTD) | 136000245 |
| Starter cable, 6 open leads, 2 D-Sub connectors, 1 power connector, 2 m | 136000246 |
| USB cable, 2 m (USB-C to USB-C) | 136000244 |
Certifications¶
The CANlink® mobile 3700 is designed to comply with the following regulatory requirements:
| Certification / Approval | Status |
|---|---|
| CE (EU) | Pending |
| FCC (USA) | Pending |
| ECE R10 (E1) | Pending |
| ISED (Canada) | Pending |
| ACMA (Australia / NZ) | Pending |
| GITEKI (Japan) | Pending |
| KC (Republic of Korea) | Pending |
| RoHS | Pending |
| REACH | Pending |
| WEEE | Pending |
Service and Support¶
The latest versions of the drivers, software, firmware, and documentation are available at Document Library.
Do you need help or want to report a bug?
Visit Proemion for more information, or raise a ticket via Support.
Firmware Updates and Support¶
To ensure the best performance and security of your devices, we strongly recommend always installing the latest firmware provided by Proemion.
Please note:
We do not provide technical support for issues caused by outdated firmware.
Errors resulting from outdated firmware are considered non-qualified errors and are not covered by warranty or support.
Regular firmware updates are essential to maintaining the functionality of your devices.
If you need assistance with the update process, please contact our Service and Support.
For more information on the Firmware Update, check the device manual of your device at the Document Library.
Annex - Assembly Drawings¶
This chapter contains the assembly drawings of the four available housing forms of the CANlink® mobile 3700, including their dimensions, connector interface, and pin assignment.
All Housing Forms (A–D) include a Main Plug Connector for power and CAN bus communication.
Housing Form A – No Additional Connectors
Housing Form B – External Antenna Connector
Housing Form C – Ethernet Connector
Housing Form D – Ethernet and Antenna Connectors
PDF files of the assembly drawings are available in the Download Center under:
01_Proemion_Devices > 01_CANlink mobile 3700 > 01_Documentation > Drawings



