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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

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Fax: +86-29-88767352

Mobile: +8613992884879                                     

Email: info@ericcointernational.com



ER-321 High Precision Direction Finding Board

Features:
1.One of the most high-end GNSS orientation and positioning module;
2.Adapting to dual antenna port, it brings a series of additional functions;
3.With flexibility, low cost,use high-end multipath suppression technique;

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ER-321 High Precision Direction Finding Board


                                                   R-321 High Precision Direction Finding Board

                                                High Precision Direction Finding Board.JPG



In this world full of complex and dynamic environments, with the development of advanced mechanical control and navigation solutions, ER-321 is one of the most high-end GNSS orientation and positioning module.

 

Adapting to dual antenna port, it brings ER-321 a series of additional functions. Including fast, high accuracy of short baseline orientation and RTK Positioning, L-band China precision satellite based enhancement of receiving signals from, for the ups and downs of the RTK, low power consumption and precise timing.

 

ER-321 features with flexibility, low cost. This GNSS module uses high-end multipath suppression technique, and provides an extended support for BDS L1/L2 to GPS/GLONASSRTK B1/B2/B3 performance.


Specifications:

GNSS performance

Receiving type:

GNSS multi frequency RTK carrier phase

Can receive signal:

BDSGPSGLONASSGalileo& QZSS

Channel number:

372

GPS sensitivity:

-142dBm

SBAS tracking:

3 channel, parallel tracking

Update rate:

Standard 20Hz, 5Hz optional

Accuracy:

Level (RMS) Gao Cheng (RMS)

RTK:

10mm + 1ppm 20mm + 1ppm

SBAS (WAAS):

0.25m 0.50m

Autonomous positioning, no SA:

1.2m 2.5m

Direction finding accuracy:

<0.17˚ rms @ 0.5m Antenna spacing

<0.09˚ rms @ 1.0m Antenna spacing

<0.04˚ rms @ 2.0m Antenna spacing

<0.02˚ rms @ 5.0m Antenna spacing

<0.01˚ rms @ 10.0m Antenna spacing

Roll / roll precision

<1˚ rms

Fluctuation precision:

30 cm RMS (DGPS), 5 cm RMS (RTK)

Timing accuracy (1PPS)

20ns

Turning rate:

The maximum to 100 or /S

Cold boot:

<40 s (no calendar or clock)

Warm start:

<20 s(or a typical calendar clock)

Hot start:

<5 s(a typical calendar, clock and   location)

Heading lock:

<10 s typical (hot start)

Antenna input resistance:

50Ω

Communication

Serial port

4 serial CMOS 3.3V (3 main serial ports, 1   only supports differential serial port, 1 Host USB, 1 Device USB

Baud rate

4800 - 115200

Differential input / output protocol

RTCM SC-104L-Dif™RTCM v2.3RTCM v3 (RTK)CMRCMR+

Data input / output protocol:

NMEA0183, Crescent binary, L-Dif

Timing output

CMOS 1PPS, low level, falling edge   synchronous, 10K, 10pF load

Power Supply

Input voltage :

3.3VDC ± 5%

Power waste

<3.9W @3.3V (L1/L2 GPS/GLONASSL-band);

<3.2W @3.3V (L1/L2 GPS/GLONASS)

Electric current :

<1180mA @3.3V (L1/L2 GPS/GLONASSL-band);

<970mA @3.3V (L1/L2 GPS/GLONASS)

Environmental Science

Working temperature

-40 ~ 85 (-40 ~ 185°F)

Storage temperature

-40 ~ 85 (-40~ 185°F)

Humidity

95% no condensation (integrated into the   system)

Physics

Size

152.4L × 71.1W × 16.3H mm

Weight

105g

Status indicator (LED)

Power supply, first and second GPS lock,   differential lock, DGPS position, heading, RTK lock, L-Band

Power / data connector

70-pin male head pin, 1.27mm space

Antenna connector

MCX, female head, straight shape


If interested,pls contact us info@ericcointernational.com 

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