User's Manual
Page
13
of
18
Lierda Science &
Technology Group
Securities
Securities
Securities
Securities Code
Code
Code
Code
IoT
IoT
IoT
IoT Interconnection,
Interconnection,
Interconnection,
Interconnection, Smart
Smart
Smart
Smart Life
Life
Life
Life
Lierda Science & Technology Group
Fig. 4-2 Recommended Circuit of External Antenna
Recommended values of FR4 dual panel
(H=Board thickness, W=Line width, D=Spacing between wiring and copper-clad):
H=1.0mm, W=0.8mm, D=0.2mm
H=1.0mm, W=1.0mm, D=0.254mm (Recommended)
H=1.2mm, W=1.0mm, D=0.2mm (Recommended)
H=1.6mm, W=1.0mm, D=0.2mm (Recommended)
Fig. 4-3 Recommended Wiring of 50ohm Impedance Line
3. Electrostatic Notices
The user shall pay attention to the electrostatic requirements (as shown in Table 2-1) of the product
when in design, and add the electrostatic prevention measures when designing the end products.
Chapter
Chapter
Chapter
Chapter 5
5
5
5 Production
Production
Production
Production Guidance
Guidance
Guidance
Guidance
5.1
5.1
5.1
5.1 Production
Production
Production
Production Guide
Guide
Guide
Guide
50ohm impedance control
IPEX block or SMA
connector