1.4G Module Installation on T card
1)Insert 4G module to PCIE slot of main board as shown in below pictures.

2)Fix the 4G module with screws, which come with the module.

3)Insert the antenna to main port of 4G module, and go through the hole, as shown in below picture.

Note:
a.Please vertically plug and loose the antenna.
b.Please do not horizontally pull/push the antenna, in case of damage the port.
c.Please do not install the antenna cable too tight.
2.WiFi Antenna Installation
1)Please vertically plug and loose the antenna.
2)Please do not horizontally pull/push the antenna, in case of damage the port.
3)Please do not install the antenna cable too tight.

3.LORA Module Installation on T Card
1)Connect the antenna to Lora module like below.

2)Vertically plug the Lora module to the interface, as shown in below picture.

Note：
If you use T1-4G, T1, T3, T6, JT100, please use a magnet antenna and place it to outside of cabinet rather than inside, or the signal will be blocked.
4.Lora module installation on TBOX
1)Remove the case of TBOX, and the shelter of COM2.

Connect the antenna to Lora module like below.

3)Plug the Lora module to main board, and fix the other side to COM2, as shown in below picture.

4.Connect the Lora module antenna to COM2.
4)Relay Board Installation
1)Plug 2 pin red and black power cable to J1 of relay board, plug 2 pin green and black cable to J3 of replay board, as shown in below picture.

2)Plug relay board to the main board, as shown in below pictures.
3)Plug 4 pin red and black power cable to J14 of main board, plug 5 pin green and black cable to J19 of main board, as shown in below picture
4)J4 of relay board is the output control terminal. As a characteristic of relay, J4 terminal of relay board is similar to a switch. When connecting, J4 terminal shall be connected in series on the positive pole of power cord of LED screen.
5)Relay Board and Lora Module Installation
1)Well installed the relay board as below.
2)Connect antenna to Lora module.
3)Plug the Lora module on top of relay board as below.
6)4G Module Installation on TBOX
1)Remove the screws of middle small board at the bottom.
2)Insert 4G module to PICE slot on main board.
3)Fix the 4G module with the screws.
4)Unplug the antenna on J89, and plug to main port of 4G module.
Note:
a.Please vertically plug and loose the antenna.
b.Please do not horizontally pull/push the antenna, in case of damage the port.
c.Please do not install the antenna cable too tight.
Put the small board back and well screwed it.