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ER-High Precision Direction Finding Board

Features:
1. Small size and high precision DF positioning board;
2. High precision direction finding and positioning;
3. One of the most high-end GNSS orientation and positioning module.

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ER-High Precision Direction Finding Board

 ER-237 High precision direction finding Board

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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

 

ER-321 High precision direction finding Board

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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

 


ERICCO is expert in high quality high precision direction finding board manufacturing and selling, who is one of the best manufacturers and suppliers of high precision direction finding board with high precision. We have a professional factory at your service.

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