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
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

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