UNM8U/UDR
- Model No.
- FST-UNM8U
- Description
- GPS Smart Antenna integrated Untethered Dead Reckoning module
- Features
- Size - 45.0 x 45.0 x 13.3mm
- Integrated Untethered Dead Reckoning (UDR) module
- Integrated 3D Inertial sensor
- V2X applications
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UNM8U is the latest generation of low power GPS receiver integrated an untethered dead reckoning (UDR) module with 3D sensor. The GPS smart antenna will acquire up to 72 channels at a time while providing fast time to first fix. It provides continuous navigation without requiring speed information from the vehicle for telematics, navigation and V2X applications.
SPECIFICATIONS (GENERAL CONDITIONS: VCC=3.3V, TA: 25℃, Z=50Ω)
|
SYMBOL
|
MIN
|
TYP
|
MAX
|
UNIT
|
|
|
Frequency Range
|
Freq
|
1575.42 ~ 1605
|
㎒
|
||
|
Small Signal Gain
|
Gain
|
18.5
|
20.0
|
21.5
|
㏈
|
|
LNA Noise Figure
|
NF
|
-
|
0.65
|
-
|
㏈
|
|
Current Sensing
|
|
|
n/a
|
|
|
|
Supply Voltage
|
VDD
|
+3.0
|
+3.3
|
+5.0
|
V
|
|
Supply Current @ 2.85V
|
IDD1
|
-
|
42
|
-
|
㎃
|
|
Sensitivity
|
Tracking
|
-160
|
㏈m
|
||
|
Cold
|
-148
|
㏈m
|
|||
|
Re-acquisition
|
-157
|
㏈m
|
|||
|
Acquisition Time
|
Cold Start
|
26
|
sec
|
||
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Hot Start
|
1.5
|
sec
|
|||
|
Accuracy
|
Position
|
2.5
|
m CEP
|
||
|
SBAS
|
1.5
|
m CEP
|
|||
|
Type of Cable
|
|
data cable, 4 wires
|
|
||
|
Dimensions
|
|
45.0x44.0x13.5
|
㎜
|
||
ENVIRONMENTAL DATA
|
SYMBOL
|
MIN
|
TYP
|
MAX
|
UNIT
|
|
|
Operating Temp.
|
TO
|
-20
|
|
+60
|
℃
|
|
Storage Temp.
|
TS
|
-40
|
|
+85
|
℃
|
|
Relative Humidity
|
HR
|
20
|
|
95
|
%
|
|
RoHS
|
|
Compliant and green
|
|||
ABSOLUTE MAXIMUM RATING
|
SYMBOL
|
MIN
|
TYP
|
MAX
|
UNIT
|
|
|
Supply Voltage
|
VCC
|
0
|
|
+5
|
V
|
|
Battery Voltage
|
VBAT
|
0
|
|
+3.6
|
V
|
|
ESD Rating
|
ESD
|
0
|
|
+2
|
KV
|
Note: Absolute maximum ratings are stress only, and functional operation at the maximum is not guaranteed. Stress beyond the limits specified in this tale may affect device reliability or cause permanent damage to the device.
PIN ASSIGNMENT
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PIN NO.
|
SYMBOL
|
DESCRIPTION
|
I/O
|
|
1
|
TXD
|
Antenna to Host
|
O
|
|
2
|
RXD | Host to Antenna
|
I
|
|
3
|
VCC
|
+3.6V typical
|
I
|
|
4
|
GND
|
GND
|
-
|
ORDERING INFORMATION
FST-UNM8U-300M4: GPS Smart Antenna integrated Untethered Dead Reckoning module, 2.5phi data cable 3m with Molex connector
WARRANTY PERIOD
The period of warranty shall start from the date of purchase of the product and shall cover a period one (1) year. If the date of purchase of the product is unknown, the period of warranty shall start from the month of manufacturing of the product.
GNSS/GPS UDR antenna
Size - 45.0 x 45.0 x 13.3mm
Integrated Untethered Dead Reconing (UDR)
Integrated 3D inertial sensor
72 channels U-BLOX 8 engine
V2X applications