- RS232 port with NMEA 0183, RTCM 104 DGPS data format and proprietary Garmin USB interface
- Can connect to Garmin SL30 & SL40 for frequency tuning and GTX 330 for TIS traffic alerts
- Accepts standard Garmin data cards and pre-programmed data cards
- Built in celestial tables for best times to fish & hunt, sunrise & sunset, sun & moon by date and position
- Water resistance, IEC 60529 IPX7 standards (submersible to 1 meter for 30 minutes)
- WAAS, marine beacon
- Removable quad-helix antenna
- Rechargeable lithium-ion battery provides 5-15 hours of use depending on backlight settings
- Package includes: GXM 30A Smart Antenna, carrying case, auto mount USB interface cable, GA 25 portable antenna, free single Jeppesen update, 12-volt automotive adapter cable with speaker, yoke mount, owner's manual, quick reference guide, wall charger and friction mount
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