GB/T 43187-2023On-board wireless communication terminal (English PDF)

3.1 On-board wireless communication terminal

On-board wireless communication terminal refers to an electronic equipment installed on vehicles that can establish connections and exchange information through technologies like cellular mobile communication.

5.1 Functional Requirements

5.1.1 The terminal shall have a self-check function. If a fault occurs, the driver shall be prompted acoustically or optically through the terminal (or a system associated with it). The fault prompt mode shall be explained in the instruction manual of the automobile product.

5.1.4 The terminal shall only use SMD SIM cards for communication.

5.1.5 The terminal shall have a backup antenna, and the backup antenna shall at least support all 4G frequency bands in Table 1, so as to avoid communication function failure caused by disconnection of the external antenna. If the vehicle is equipped with a backup antenna with the same function, it shall be deemed to satisfy the requirements.

5.2 Performance Requirements

Classification System Frequency Band

5.3.2 Dustproof and waterproof performance

5.3.2.1 Dustproof performance

In accordance with 6.4.2.1, carry out the test. The protection degree shall comply with the stipulations of IP5KX in GB/T 30038-2013. After the test, the terminal shall satisfy the requirements of 5.2.

5.3.2.2 Waterproof performance

For terminals installed in exposed locations in the passenger compartment, in accordance with 6.4.2.2, carry out the test. The protection degree shall comply with the stipulations of IPX2 in GB/T 30038-2013. After the test, the terminal shall satisfy the requirements of 5.2.

5.3.4 Environmental weather resistance

5.3.4.1 Scope of temperature and humidity

The range of temperature and humidity of the storage environment and the operating environment of the terminal shall comply with the stipulations of Table 8.

5.3.4.2 Low-temperature storage

In accordance with 6.4.4.1, carry out the test. After the test, the terminal shall satisfy the requirements of 5.2.

5.3.4.7 Rapid temperature changes of specified conversion time

In accordance with 6.4.4.6, carry out the test. After the test, the terminal shall satisfy the requirements of 5.2.

5.3.4.8 Temperature cycle of specified change rate

In accordance with 6.4.4.7, carry out the test. During and after the test, the terminal shall satisfy the requirements of 5.2. Through negotiation between the supply-side and the demand-side, the lower limit of the maximum transmit power tolerance value during the test can be reduced by […]

6.1 Test Conditions

6.1.1 Test environmental conditions

If there are no other provisions, the test environmental conditions shall comply with the stipulations of Table 10.

6.1.2 Test voltage

Temperature Relative Humidity Air Pressure If there are no other provisions, the test voltage shall comply with the stipulations of Table 11.

6.1.3 DUT working modes

6.1.4 Construction of test environment

6.1.4.1 General requirements

In accordance with Figure 1, construct the test environment. The test environment shall reduce the presence of co-channel or adjacent-channel interference.

6.1.4.2 Special requirements

6.1.5 Frequency band selection principle

In accordance with the grouping rules of 7.1, in the vehicle-regulated environmental evaluation of 6.4, the frequency band shall be selected by the tester. Priority shall be given to 4G and / or 5G frequency band for the tests.

6.4 Vehicle-regulated Environmental Evaluation Test

6.4.1 Electrical properties test

6.4.1.2 Overvoltage test

6.4.1.2.1 Under the condition (Tmax - 20 °C)

DUT operates in working mode 3.2. In accordance with the method of 4.3.1.1.2 or 4.3.2.2 in GB/T 28046.2-2019, carry out the test. During the test, randomly select a frequency band supported by DUT, in accordance with Table 12, continue the properties test, until the test is completed. After the test, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.1.4 Slow drop and rise test of supply voltage

DUT operates in working mode 3.2. In accordance with the method of 4.5.2 in GB/T 28046.2-2019, carry out the test. After the test, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.1.5 Transient changes test of supply voltage

6.4.1.6 Reverse voltage test

DUT operates in working mode 3.2. In accordance with the method of 4.7.2 in GB/T 28046.2-2019, carry out the test. After the test, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.1.7 Load dump test

DUT operates in working mode 3.2. In accordance with the method of 4.6.4.2 in GB/T 28046.2-2019, carry out the test. After the test, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.1.10 Shor-circuit protection test

DUT operates in working mode 3.2. In accordance with the method of 4.10.2.1 in GB/T 28046.2-2019, carry out the test. After the test, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.1.11 Insulation resistance test

Set DUT to working mode 1.1. In accordance with the method of 4.12.2 in GB/T 28046.2-2019, carry out the test. After the test, switch DUT to working mode 3.2, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.2 Dustproof and waterproof performance test

Terminals installed in non-exposed locations in the passenger compartment are exempted from this requirement.

6.4.3.3 Free fall test

Set DUT to working mode 1.1. In accordance with the method of 4.3.2 in GB/T 28046.3-2011, carry out the test. After the test, switch DUT to working mode 3.2, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

6.4.4 Environmental weather resistance test

6.4.4.1 Low-temperature storage test

Set DUT to working mode 1.1. In accordance with the lower limit of storage temperature specified in Table 8 and the method of 5.1.1.1.2 in GB/T 28046.4-2011, carry out the test. After the test, let it stand for 2 h to return to normal temperature, switch DUT to working mode 3.2, randomly select a frequency band supported by DUT, in accordance with Table 12, carry out the properties test.

7.1 Sampling and Grouping of Type Test

For the type test, take samples from the terminals that have passed the exit-factory inspection in accordance with the single sampling scheme specified in GB/T 2828.1.

7.2 Qualification Determination

The type test items of the terminals shall all comply with the specified requirements. If one item is disqualified, re-take a double number of samples to conduct a re-inspection of the disqualified items. If there are still disqualified items, then, the batch of samples shall be determined as disqualified. […]