Reference, Gbr 21 specifications – Garmin GBR 21 User Manual

Page 21

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19

Reference

Physical

Size:

5.2”L x 3.6”W x 1.5”H
(132mm x 91mm x 38mm)

Weight:

6.8 ounces (0.193 kg)

Power

Voltage:

10 - 18 volts DC using supplied
power/data cable

Current Drain:

130 mA

Signal Processing

Frequency Range:

283.5 - 325.0 kHz

Minimum Signal:

10 µV

Acquisition Time:

15 seconds

Data Processing

Demodulation:

MSK (Minimum Shift Keying)

MSK Bit Rates:

25, 50, 100, 200 bps

Interfaces

Input:

RS-232 or NMEA 0183

4800 or 9600 baud

(jumper selectable)

Input Sentences:

Binary (Magnavox),

$PSLIB (Starlink)

Output:

RS-232

4800 or 9600 baud

(jumper selectable)

Output Sentence:

RTCM SC-104

(6 of 8 bit format)

Antenna Coupler

Diameter:

1.6” (41mm) base, .6” (15mm) top

Height:

4.8” (122mm) without antenna

16.8” (427mm) with antenna

GBR 21

Specifications