5G Module Series
RM500Q-AE&RM502Q-AE Hardware Design
RM500Q-AE&RM502Q-AE_Hardware_Design 10 / 86
Figure Index
Figure 1: Functional Diagram ..................................................................................................................... 18
Figure 2: Pin Assignment ........................................................................................................................... 19
Figure 3: DRX Run Time and Current Consumption in Sleep Mode ......................................................... 26
Figure 4: Sleep Mode Application with USB Remote Wakeup .................................................................. 26
Figure 5: Power Supply Limits during Radio Transmission ....................................................................... 28
Figure 6: Reference Circuit for VCC .......................................................................................................... 29
Figure 7: Reference Circuit for Power Supply ........................................................................................... 29
Figure 8: Turn on the Module with a Host GPIO ........................................................................................ 31
Figure 9: Turn-on Timing of the Module ..................................................................................................... 31
Figure 10: Turn-off Timing through FCPO# ............................................................................................... 32
Figure 11: Turn-off Timing through AT Command and FCPO# ................................................................ 33
Figure 12: Reference Circuit of RESET# with NPN Driver Circuit ............................................................. 34
Figure 13: Reference Circuit of RESET# with a Button ............................................................................. 35
Figure 14: Reset Timing of the Module ...................................................................................................... 35
Figure 15: Reference Circuit for Normally Closed (U)SIM Card Connector .............................................. 38
Figure 16: Reference Circuit for Normally Open (U)SIM Card Connector ................................................ 39
Figure 17: Reference Circuit for a 6-Pin (U)SIM Card Connector ............................................................. 39
Figure 18: Reference Circuit of USB 3.1 & 2.0 Interface ........................................................................... 41
Figure 19: PCIe Interface Reference Circuit .............................................................................................. 44
Figure 20: PCIe Power-up Timing of M.2 Specification ............................................................................. 45
Figure 21: PCIe Power-up Timing of the Module ....................................................................................... 45
Figure 22: Primary Mode Timing ................................................................................................................ 47
Figure 23: Auxiliary Mode Timing .............................................................................................................. 47
Figure 24: W_DISABLE1# and W_DISABLE2# Reference Circuit ........................................................... 50
Figure 25: WWAN_LED# Reference Circuit .............................................................................................. 50
Figure 26: WAKE_ON_WAN# Signal Reference Circuit ........................................................................... 51
Figure 27: Recommended Circuit of Configuration Pins ........................................................................... 54
Figure 28: RM500Q-AE Antenna Connectors ........................................................................................... 63
Figure 29: RM502Q-AE Antenna Connectors ........................................................................................... 64
Figure 30: RF Connector Dimensions (Unit: mm) ...................................................................................... 64
Figure 31: Specifications of Mating Plugs Using Ø 0.81 mm Coaxial Cables ........................................... 65
Figure 32: Connection Between RF Connector and Mating Plug Using Ø 0.81 mm Coaxial Cable......... 66
Figure 33: Connection Between RF Connector and Mating Plug Using Ø 1.13 mm Coaxial Cable......... 66
Figure 34: Plug in a Coaxial Cable Plug .................................................................................................... 67
Figure 35: Pull out a Coaxial Cable Plug ................................................................................................... 68
Figure 36: Install the Coaxial Cable Plug with A Jig .................................................................................. 68
Figure 37: Thermal Dissipation Area Inside and on Bottom Side of the Module ...................................... 77
Figure 38: Mechanical Dimensions of the Module (Unit: mm) ................................................................... 80
Figure 39: RM500Q-AE Top View and Bottom View ................................................................................. 81
Figure 40: RM502Q-AE Top View and Bottom View ................................................................................. 81
Figure 41: Tray Size (Unit: mm) ................................................................................................................. 82