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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
Housing Form A – Main Plug only 3733
3737		 253004822
253004813		 -
✓		 Integrated
Integrated		 -
-
Housing Form B – External Antenna Connector 3773
3777		 253004823
253004814		 -
✓		 External1
External1		 -
-
Housing Form C – Ethernet Connector 3731 253004820 - Integrated ✓
Housing Form D – Ethernet and External Antenna Connectors 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

  1. via Quad HFM connector (Z-code) ↩↩↩