Product Specifications

Version：1242
SIMCom presents a high performance and reliable assisted GPS module-SIM28. It is in a SMT type with MTK
mature GPS only navigation engine, which allows you to achieve the industry
’
s high levels of accuracy and
SIM28
mature
GPS
only
navigation
engine,
which
allows
you
to
achieve
the
industry s
high
levels
of
accuracy
and
Time-to-First-Fix (TTFF) with lowest power consumption.
Mechanical data
•Dimensions: 16*12.2*2.4mm
•Weight: 1g
Performance data
•Receiver type
Smart Machine Smart DecisionSmart Machine Smart Decision
22 tracking / 66 acquisition-
channel GPS receiver
GPS L1 C/A Code
Features
•Support EASY
TM
self-generated orbit prediction
•Support SBAS ranging (WAAS, EGNOS, GAGAN,
MSAS)
•Support EPO
TM
orbit prediction
•Support Jamming removing function
• Low-noise amplifier has been integrated
•Max. update rate
•Sensitivity
1
Tracking:
Reacquisition:
Cold starts:
•Time-To-First-Fix
2
Cold starts with EASY:
Warm starts with EASY:
GPS
L1
,
C/A
Code
10Hz
-167 dBm
-160 dBm
-147 dBm
13s
1
~
2s
Interfaces
•Serial interfaces
•Digital I/O
•Protocols
Warm
starts
with
EASY:
Cold starts:
Cold starts with
EPO Assist:
Hot starts:
•Accuracy
Automatic Position
3
:
Speed
4
:
Timing:
UART, SPI / I²C
TIMEMARK output
EINT0 input
GPIO
NMEA
PMTK
12s
32s
12.5s
<1s
2.5m CEP
0.1m/s
10ns
Support evaluation products
•SIM28-TE
•SIM28EVB KIT with USB V2.0 full speed interface
Electrical data
•Power supply
•Backup power
•
Power consumption
2,5
•Operation temperature:
Certificate
————————————————————
1.Demonstrated with a good active antenna
2AllSV@
130
dB
-40℃~+85 ℃
+2.8V ~4.3V
+2.3V ~4.3V
Power
consumption
-- Acquisition:
-- Tracking:
-- Standby mode:
• Antenna type
•Antenna power
2
.
All
SV
@
–
130
dB
m
3.50% 24 hr static, -130dBm
4.50%@ 30m/s
5. @3.3V with a passive antenna
24 mA
19mA
<200μA
Active and Passive
External or internal
VCC_RF
All specifications are subject to change without prior notice.
More about SIMCom SIM28
Please contact:
Tel: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.sim.com/wm