Garmin DGPS 53, GA 23, GBR 23 Specifications

DGPS 53, GBR 23 and GA 23

When you need the best in position

accuracy, rely on GARMIN differential

antennas. Packaged in a waterproof

housing, these receivers and antennas

look great on any boat. They’re easy

to install and require no RF grounding.

The DGPS 53 is a powerful 12-channel

GPS receiver and antenna with an auto-

tuning differential beacon receiver. It’s

perfect for integrating with chartplotters,

radar and personal computers. The GBR 23

is a remote, auto-tuning differential beacon

receiver with built-in H-field antenna.The

GA 23 is an H-field beacon antenna with

no receiver. These units give you position

accuracy from one to five meters.

Precision accuracy through differential antennas

DGPS 53

DGPS 53, GBR 23 and GA 23

Differential antenna specifications

1100 M01-10104-00

GA 23 GPS differential H-field beacon antenna

DGPS frequency: 283.5 to 325.0 kHz
Sensitivity: 10 uV/m (200 Hz BW)
LNA gain: 35 dB min
Size: 3.6" diameter, 5.3" high
Waterproof: IEC-529, IPX7

(submersible to 1 m for 30 minutes)

Cable length: 10 m RG58AU
Cable connector: BNC
Supply voltage: 4.5 VDC to 12 VDC
Supply current: 45 mA at 5 VDC

GBR 23 GPS differential beacon receiver
with integrated H-field antenna

DGPS frequency: 283.5 to 325.0 kHz
Data rates: 200/100/50/25 BPS
Sensitivity: 10 uV/m at 200 Hz BW
Size: 4.6" diameter, 5.3" high
Waterproof: IEC-529, IPX7 (–1 m for 30 minutes)
Tuning: Automatic with manual override
Input commands: Binary, $PSLIB, $--MSK at 4800 baud
Output data: RTCM SC-104 (6 of 8 bit format)

at 4800 baud

Interface connector: 7-pin bayonet latch at receiver
Cable options: 30' 7-conductor standard, 60' optional
Supply voltage: 8 to 35 VDC
Supply current: 95 mA at 12 VDC

DGPS 53 integrated GPS and DGPS receivers and antennas

GPS frequency: 1575.42 MHz
GPS sensitivity: –135 dBm relative to 0 dBi RHCP antenna
Beacon receiver: Same as GBR 23 (no outside interface)
Size: 4.6" diameter, 5.3" high
Waterproof: IEC-529, IPX7 (–1m for 30 minutes)
Input commands: NMEA 2.0 or 2.3, 300 BPS to 19.2 kBPS RS232
Output data: NMEA 2.0 or 2.3,

300 BPS to 19.2 kBPS 5 V CMOS

Accuracy: 5 m (95% HPE) within 300 km of beacon
Interface connector: 7-pin bayonet latch at receiver
Cable options: 30' 7-conductor standard, 60' optional
Supply voltage: 8 to 35 VDC
Supply current: 150 mA at 12 VDC

Specifications are preliminary and subject to change
without notice.

* When used with a GARMIN 12-channel GPS receiver.

©

2000 GARMIN Corporation

GARMIN International
1200 East 151st Street
Olathe, Kansas 66062, U.S.A.
913/397.8200 fax [phone]

GARMIN (Europe) Ltd.
Unit 5, The Quadrangle,
Abbey Park Industrial Estate,
Romsey, SO51 9AQ, U.K.
44/1794.519944 fax [phone]

GARMIN (Asia) Corporation
No. 68, Jangshu 2nd Rd.
Shijr, Taipei County, Taiwan
886/2.2642.9199 fax [phone]

www.garmin.com

GBR 23

DGPS 53

GA 23