CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
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Figure 3-25 Main antenna matching circuit......................................................................... - 52 -
Figure 3-26 Diversity Antenna Matching Circuit.................................................................- 52 -
Figure 3-27 GNSS passive antenna reference circuit...........................................................- 53 -
Figure 3-28 GNSS active antenna reference circuit.............................................................- 53 -
Figure 3- 29 The complete structure of the two-layer PCB microstrip line.........................- 55 -
Figure 3-30 The complete structure of the multilayer PCB strip line.................................. - 55 -
Figure 3-31 Reference ground is the third layer PCB microstrip transmission line structure- 55 -
Figure 3-32 RF connector size chart.................................................................................... - 56 -
Figure 3-33 Antenna connector matching plug diagram...................................................... - 56 -
Figure 3-34 Matching coaxial RF line size.......................................................................... - 57 -
Figure 6-1 Appearance of the CLM920 NC3.......................................................................- 70 -
Figure 6-2 Front view and side view of the module (unit: mm).......................................... - 71 -
Figure 6-3 Bottom view of the module (unit: mm).............................................................. - 71 -
Figure 6-4 Recommended module package (unit: mm).......................................................- 72 -
Figure 7-1 Reflow soldering temperature graph.................................................................. - 74 -
Table
Table 2-1 Module band list...................................................................................................- 10 -
Table 2-2 Key Features.........................................................................................................- 11 -
Table 3-1 Pin definitions...................................................................................................... - 18 -
Table 3-2 IO parameter definition........................................................................................ - 20 -
Table 3-3 Pin description......................................................................................................- 20 -
Table 3-4 Power pin definitions........................................................................................... - 25 -
Table 3-5 Switching machine pin definition........................................................................ - 28 -
Table 3-6 Boot timing parameters........................................................................................ - 29 -
Table 3-7 Reset foot definition.............................................................................................- 30 -
Table 3-8 RESET pin parameters......................................................................................... - 31 -
Table 3-9 USB interface pin definition................................................................................ - 31 -
Table 3-10 UART serial port signal definition..................................................................... - 33 -
Table 3-10 Debugging serial port pin definitions.................................................................- 35 -
Table 3-11 SIM card signal definition..................................................................................- 36 -
Table 3-12 SIM card hot swap detection pin definition....................................................... - 38 -
Table 3-13 General GPIO Pin Definitions............................................................................- 39 -
Table 3-14 Network indicator pin definition........................................................................- 40 -