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ER-237 High precision direction finding Board 

Place of Origin: Shaanxi, China (Mainland) 
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UN237 is a small size and high precision DF positioning board.

UN237 is a small size and high precision DF positioning board. The board adopts double Antenna port, can achieve high precision direction finding and positioning. It can be locked in the satellite, continue to provide a reliable course data; not only that, the board also supports the board Measurement of heading, pitch and roll, smaller size, higher cost, new ER-237 receiver will be more easy system integration.

 

GNSS Performance

BDS:

B1&B2&B3

GPS:

L1&L2

GLONASS:

G1&G2

GPS sensitivity:

-142dBm

Channel number:

372

Horizontal positioning accuracy(RMS):

Single point1.2m

DGPS 0.3m

RTK 10mm+1ppm

Heading precision:

<0.17˚ rms @ 0.5m Baseline length

<0.09˚ rms @ 1.0m Baseline length

<0.04˚ rms @ 2.0m Baseline length

<0.02˚ rms @ 5.0m Baseline length

Pitch / roll:

<1˚ rms

Fluctuation precision:

750px DGPS,125px RTK

Speed:

100˚/s Maximum value

Cold start time:

<40s

Warm start-up time:

<20s

Hot start time:

<5s

Heading lock:

<10s(Position available)

Heavy capture:

<1s

The standard data update rate

5Hz

Maximum data update rate

20Hz

1PPS accuracy

20ns

Event flag input

1Event flag input

Communication

Interface:

3 Full duplex main serial port; CMOS level; 1 USB device; one USB Host

Baud rate:

4800 ~ 115200

Difference data:

ROX, RTCMv2.3, RTCM3.0, RTCMv3.2, CMR,CMR+

Data input / output protocol

NMEA0183; Own binary

Power Supply

Power supply voltage:

3.3VDC± 5%

Power waste:

<3.8W rated(GPS/GLONASS/BDS double frequency)

Antenna voltage input:

15V DC Maximum value

Antenna short circuit protection:

yes

Antenna input impedance:

50Ω

Environmental Science

Operating temperature

-40 ~ 85℃ (-40 ~ 185°F)

Storage temperature:

-40 ~ 85℃ (-40~ 185°F)

Humidity:

95%

Shock and vibration:

non-condensing

E M C:

EP455

Physics

Size:

7.8 L × 7.8 W × 0.5 H mm

Weight:

45g

Pin:

34pin 1.27mm spacing

Antenna interface:

MCX Female seat, Straight

Top:

When the satellite is locked out of the lock, the heading  precision of 3 degree is provided within 1 minutes

Tilt sensor:

To speed up the course calculation initialization time, while providing the angle of pitch and roll

 


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Company Info

Ericco International Co.Ltd. [China (Mainland)]


Business Type:Trading Company
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)

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