RAM-B-347-G4U Garmin Adapter for GPSMAP 620 & 640

The RAM-B-347-G4U adapter is designed to secure the following devices:

Garmin GPSMAP 620
Garmin GPSMAP 640

NOTE: As the manufacturer adds new units/models to the above series this cradle may fit additional models not listed above. Please call 224-578-9162 or complete the product inquiry form by clicking here.

RAM-B-347-G4U Adapter shown above.

NOTE: RAM-B-347-G4U includes the adapter only and not the plastic cradle the adapter attaches to. The plastic cradle shown above is for illustration purposes.

RAM-B-347-G4U Features and Options:

Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty.
Plate Material: Black powder coated marine grade aluminum.
AMPS Hole Pattern: Yes. A pair of two holes positioned 1.9 inches from center to center.
Plate Dimensions: 2 inch by 1.7 inch square base.
Plate Ball Size: Connects to a 1 inch rubber B sized ball. Maximum suggested weight 5 lbs.
Adapter Description: Marine grade powder coated aluminum square plate with a 1.0 inch diameter rubber ball. The adapter will not interfere will cables or the battery pack.
Adapter Hardware: Includes four nuts and bolts. Does not include cables.
Apple, Cell Phone, GPS and Universal Cradle Options: Other cradles for Apple, cell phones and GPS systems are available by clicking here.
Click here to see options compatible with the RAM-B-347 series including waterproof aqua box with soft touch flex lens, arms, keyed lock and other accessories.

Below are optional mounting assemblies that can be used with the RAM-B-347 series adapter. The adapters shown below on the complete assemblies can be substituted with the RAM-B-347 series adapter. 

Additional Cradles for Electronic Devices:
- Select another cradle for Apple, cell phones, GPS systems and other electronic devices by clicking here. Note: the RAM-B-238U shown below is commonly used to connect to RAM-HOL-xxxx cradles. However, the RAM-B-347U can be used.

Universal Diamond Adapter Plate for RAM Cradles:
- RAM-B-238U diamond adapter plate is the most common type of adapter used to attach to RAM cradles (RAM-HOL-xxxx).

Waterproof Aqua Box with Soft Touch Flex Lens:
- Click here to see waterproof aqua boxes with soft touch flex lens. The soft touch flex lens allows the touch screen of electronic devices such as iPhone or GPS devices to remain operational.Knock-out hole allows cables to be run through the back of the aqua box.
- The electronic device sits in the aqua box using included foam inserts. The RAM-HOL-xxxx cradle is not needed to secure the electronic device in the aqua box. Padlock not included.
- Can be mounted in the vertical or horizontal position.
- Attaches directly to the optional RAM-B-202U round adapter. The RAM-B-347 series adapter can be used.

Aviation Assembly Options:
- Click here to see all aviation assembly mounting options.

Flat Surface Assembly Options:
- Click here to see all B sized 1" ball flat surface assemblies.

Motorcycle/ ATV/ Mountain and Road Bike Assembly Options:
- Click here to see all motorcycle assembly mounting options.
- Click here to see all ATV assembly mounting options.
- Click here to see road and mountain bike assembly options.

Suction Cup Assembly Options:
- Click here to view all suction cup mounts from light duty to heavy duty triple suction cup mounts.

Optional RAM-KNOB-3LU keyed lock for RAM-B-201 series arms shown below. Replaces the twist knob on the RAM-B-201 series arm with a keyed lock. Works great with directly mounted applications such as aqua boxes or when the adapter is directly secured to the electronic device such as the RAM-B-347-xxx.

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