20
IoT Interworking
Make Your Life Smart
Security Code
2.11.2 Wall mounting
Figure 13 Wall mounting fixing hole
As shown in Figure 13, the expansion screws have been
tightened up
for the wall according to the
hole position of the bottom plate (marked with red box), following by fixing the gateway.
2.12 Antenna replacement
LoRa antenna replacement
Antenna must satisfy some conditions:
①
Antenna transmission and reception must meet the frequency range: 902-928 MHz
②
Antenna impedance: 50
Ω
GPS antenna replacement
Antenna must satisfy some conditions:
①
Antenna transmission and reception must meet the frequency range: 1560-1575MHz
②
Antenna impedance: 50
Ω
Note
：
Replacement step reference to
2.4 Antenna installation
