RAM-B-138-UN3U Flat Surface Mount with Universal Cradle

The RAM-B-138-UN3U is a flat surface marine grade aluminum mount that has a 2.5 inch diameter flat surface base with pre-drilled holes, standard sized length arm and large sized side clamping electronic device holder (RAM-HOL-UN3U). The holder will fit devices between the following dimensions:

Minimum width: 2.25 inches
Maximum width: 3.37 inches
Side Clamp Height: 1.75 inches
Side Clamp Depth: .93 inches
Cradle Spine Height: 3.92 inches
Cradle Spine Width: 2.25 inches

NOTE: The top of the cradle is open allowing electronic devices to be taller than the height of the cradle. The cradle is designed to be used in a closed cabin environment. The side clamping cradle is only a light weight cradle and may not hold your device in a high vibration situations as found on a motorcycle/ATV.

NOTE: Please call 224-578-9162 or complete the product inquiry form by clicking here.

RAM-B-138-UN3U shown above.

RAM-B-138-UN3U Includes the Following:

Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty.
Color/Material: Black power coated marine grade aluminum. Chrome is also available.
Socket Ball Size: B-Ball Size = 1.0 inch ball. Max Weight 5 lbs.
Overall Length: Please click here or on Technical Specs above to see the overall length dimensions.
Base: RAM-B-202U 2.5 inch diameter base with pre-drilled holes and 1 inch diameter rubber ball. The pre-drilled holes accommodate the AMPS hole pattern. Mounting hardware is NOT INCLUDED.
Arm: RAM-B-201U standard length arm for 1 inch balls. The arm measures 2.875 inches between socket centers (3.6875 inches in overall length). A plastic twist knob allows you to articulate the arm in any direction.
- A shorter arm RAM-B-201U-A, 1.75 inches from socket center to socket center, is available. Please see RAM-B-138U-A for the complete assembly.
- A longer arm RAM-B-201U-C, 5.25 inches from socket center to socket center is available. Please see RAM-B-138U-C for the complete assembly.
- NOTE: The holder is not included in either the RAM-B-138U-A or RAM-B-138U-C.
Adapter: RAM-B-238U black marine grade aluminum universal diamond plate with two holes measuring 1.9 inches from hole center to hole center will accommodate the AMPS hole pattern. This plate includes a 1 inch diameter rubber ball.
Holder/Cradle: RAM-HOL-UN3U large side clamping cradle is designed to hold a large amount of different kinds of cell phones and electronic devices. This cradle has padded locking side clamps that close tightly on the item you want to hold. To release the clamp hold, simply press the button found at the bottom left side of the cradle which will spring the clamps open. At the base of the cradle are two small supports to hold the bottom of the item securely in the cradle.

If you require a different sized side clamping cradle there are other options available by clicking the links below:
Small Composite Side Clamping Cradle (RAM-HOL-UN1U)
Medium Composite Side Clamping Cradle (RAM-HOL-UN2U)
Large Aluminum Side Clamping Cradle (RAM-B-120B)

Below are popular OPTIONAL accessories that can be used with the RAM-B-138 series.

Cradle/Holders/Aqua Box Options: Select a holder for Apple, cell phones, GPS systems and electronic devices by clicking here.

RAM-B-202U Options: The RAP-339U shown below is a triple magnetic base that the RAM-B-202U can attach to. This allows the RAM-B-138 to be quickly removed when not used. The magnets are extremely strong.

The RAM-202PSA shown below is a double sided 3M adhesive pad that can be placed on any flat surface. The RAM-B-202 base can then be attached to the adhesive pad without requiring drilling into a surface.

RAP-339U above. RAM-202PSA above.

RAM-B-201U Options: The RAM-KNOB3LU shown below is a keyed lock and replaces the plastic twist knob found on the RAM-B-201 series arm.

RAM-B-238U Options: RAP-326 shown below is a quick release adapter that allows fast removal from the RAM-B-238U without tools. The RAP-326 combined with the RAP-326MU with the allows your electronic device to be disconnected from one application and shared with another mounting device that is also using the RAM-B-238U.

RAM-B-238U Options: The RAM-MAG-1U shown below is a screen magnifier that is 2 inches by 4 inches with a 2x zoom. This is a popular item among that need detailed information to be enlarged.

Waterproof Aqua Boxes: Consider a WATERPROOF AQUA BOX holder for foul weather conditions. The soft flex lens allows the screen of electronic devices (i.e. GPS, iPhone, etc.) to remain operational while being protected from the elements. The electronic device sits inside the aqua box using foam inserts and does not require a RAM Mounts holder/cradle to secure the device inside the aqua box. A knockout in the aqua box allows cables to be routed. LOCK NOT INCLUDED.

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