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Ericco International Limited

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Xi'an Office Address: Room 20A, Ruixin Mansion, No. 25, Gaoxin Road, Xi'an, China

Tel: + 86-29-88767351

Fax: +86-29-88767352

Mobile: +8613992884879                                     

Email: info@ericcointernational.com



ER-237 High Precision Direction Finding Board

Features:
1.A small size and high precision DF positioning board;
2.Double Antenna port, can achieve high precision direction finding and positioning;
3.Locked in the satellite, continue to provide a reliable course data;

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ER-237 High Precision Direction Finding Board

ER-237 High Precision Direction Finding Board


                                                               ER-237 High precision direction finding Board.JPG


ER-237 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.


Specifications:

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 DGPS125px   RTK

Speed:

100˚/s Maximum   value

Cold start time:

<40s

Warm start-up   time:

<20s

Hot start time:

<5s

Heading lock:

<10sPosition   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


If interested,pls contact us info@ericcointernational.com 

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