Product Info

LTE Standard Module Series
EG95 Hardware Design
EG95_Hardware_Design 55 / 93
@open sky
XTRA enabled
3.4
s
Accuracy
(GNSS)
CEP-50
Autonomous
@open sky
<2.5
m
1. Tracking sensitivity: the lowest GNSS signal value at the antenna port on which the module can keep
on positioning for 3 minutes.
2. Reacquisition sensitivity: the lowest GNSS signal value at the antenna port on which the module can
fix position again within 3 minutes after loss of lock.
3. Cold start sensitivity: the lowest GNSS signal value at the antenna port on which the module fixes
position within 3 minutes after executing cold start command.
4.3. Layout Guidelines
The following layout guidelines should be taken into account in customers’ design.
⚫ Maximize the distance among GNSS antenna, main antenna and Rx-diversity antenna.
⚫ Digital circuits such as (U)SIM card, USB interface, camera module and display connector should be
kept away from the antennas.
⚫ Use ground vias around the GNSS trace and sensitive analog signal traces to provide coplanar
isolation and protection.
⚫ Keep the characteristic impedance for ANT_GNSS trace as 50Ω.
Please refer to Chapter 5 for GNSS antenna reference design and antenna installation information.
NOTES