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Mounting Bracket Adapters
Versatile mounting adapters for our CLAMP, AMB and BKT products. Some enable you to change the mounting configuration from horizontal <=> vertical and to install a second antenna. Another adapter mounts an SGC HF autotuner to make an excellent fixed-base or stationary mobile antenna. Need to mount one of our UHAM or other horizontal flat mounts to a vertical surface? We have the "app for that" ! Available in buffed aluminum or powder coated finishes.
To download the product installation instructions, click > MANUALS. To view the warranty click > WARRANTY . Our PRODUCT GUIDE lists all of our products, where they can be used and what types of antennas they fit. You may find that our PRICE LIST is handy if you would like a quick view of all of our product costs, including accessories, options and parts.
To learn more about the specific features of each model, accessories and options, and to order, please read on below.
AMB_Arm2: Second Antenna Arm with NMO Radial Base
[Photo above: "Arm2" with 13 inch long mounting arm and four removale groundplane radials]
AMB-Arm2: 2nd antenna extension arm (13" long) with 4 removable SS groundplane radials (135-512 MHz), attaches with 1/4" bolt on our CLAMP150 and "L" brackets .
The AMB_Arm2 quickly bolts to many of our brackets and mounts that have a 1/4" bolt, or bolt it with a 1/4 inch screw or bolt to your railing, or almost any other surface for a stationary base installation. This is all you need to "convert" your mobile V/UHF NMO antenna to a "base station" antenna, as the radials provide the ground plane, and the 13 inch long aluminum arm is useful to extend your antenna away from an obstruction. VERY COOL! The radials cover 135-512 MHz, and can be left as-is or trimmed to your specific frequency.
Your coax plugs into the SO239 connector at the bottom of the Arm2 NMO base.The extension arm is 13 inches long x 1.25 inches wide and .25 inches thick, and is made of 6061 aircraft aluminum. The radials are stainless steel, and are removed with a standard size allen wrench (provided). We use a nicely machined, rust proof, heavy-duty nut on the bottom of the NMO - not the standard thin nuts that most antenna bases use! This is a very high quality item!
Purpose: Mount second (or extend) V/UHF mobile antenna, with groundplane, for 135-512 MHz.
Compatible Antennas:
- Essentially any V/UHF mobile antenna with an NMO base, for 135-512 MHz
Compatible Mounts & Brackets:
Other Accessories & Options:
You might also be interested in the following accessories and options that will work with this item. These can be ordered by clicking on the PRODUCT NAMES below, which take you to a detailed description and ordering page for each item. We offer a discount if you order three (3) or more of one or multiple products. For a FAST QUOTE, click > QUANTITY DISCOUNT .
- Cables and Connectors : check out our new listings for cables and highg-quality Amphenol PL259 connectors, "the real deal".
- Antenna Bases: in addition to our three standard bases, we also have an optional NMO base with removable groundplane radials for 135-521 MHz - all bases fit same hole.
Product Photos and Videos:
The following are just a few of the photos that we have on our products, to illustrate some of the key features and installation ideas for this item.
PHOTO BELOW: "Arm2" on our CLAMP-150, shown with a High Sierra "Sidekick" HF screwdriver and a triband V/UHF antenna. Not shown is an HF counterpoise normally used with this setup - N7EMW's travel/QRP antenna system.
For additional product photos, please visit our PHOTO GALLERY ("Product Photos" & "Customer Photos" sections).
ORDER HERE: AMB_Arm2 - buffed aluminum ($62.50) + Shipping (USD)
We offer DISCOUNTS if you order three (3) or more items (mix and match). For a FAST QUOTE fill out our QUOTE FORM . For shipping information click > SHIPPING (Worldwide) .
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United States Customers: Shipping $18.00, shipping each additional $8.00
Canadian Customers: Shipping $34.00, shipping each additional $15.00
International Customers: Shipping $53.00, shipping each additional $23.00
ORDER HERE: AMB_Arm2 - powder coated (5 colors) - please CONTACT US for a price.
Our standard powder coated colors can be seen at PRODUCT FINISHES . We can also do custom colors.
AMB_HMA-1: SHD Adapter for Horizontally Mounted CLAMP-200 Clamp-On Base
[Photo above: What you get with the AMB-HMA-1: HD aluminum "L" bracket and SS mounting hardware for CLAMP200]
AMB_HMA-1: SHD "L" bracket adapter (4x6" x 3/8 thick x 6" wide) for attaching various optional antenna mounts, SHUNT100 and counterpoise brackets to a horizontally mounted CLAMP200 on railings and some fences.
Heavy duty "horizontal" adapter to use with a CLAMP200 that is mounted horizontally on a railing or other "open" structure (photos below). The "HMA-1" simply bolts to the CLAMP200 with provided hardware, for installing our AMB series "L" brackets for HF/V/UHF antennas or a UHAM200 mount with "two points of attachment" for HF screwdriver/motorized antennas. It will also fit AMB-Gnd-1 / AMB-Gnd-8 counterpoise "rings". The "HMA-1" consists of a heavy duty "L" bracket predrilled to fit our mounts and options.
Purpose: Adapt a horizontally mounted CLAMP200 base for attaching our various antenna mounts and options.
Compatible Mounts & Brackets:
Other Accessories & Options:
You might also be interested in the following accessories and options that will work with this item. These can be ordered by clicking on the PRODUCT NAMES below, which take you to a detailed description and ordering page for each item. We offer a discount if you order three (3) or more of one or multiple products. For a FAST QUOTE, click > QUANTITY DISCOUNT .
- SHUNT-100 : weatherproof adjustable HF load inductor for 160-10m - attaches to 1/4" bolt.
- CNCT-PL259-WXQD : weatherproof quick-disconnect for your coax - unplug your coax neatly if you remove your antenna, without having the plug "dangling in the wind and weather". Use your antenna on another vehicle or fixed- base while you're not operating mobile, or use multiple antennas on one vehicle. Very unique.
- AMB_Arm2 :2nd antenna bracket with NMO radial base and attaches to 1/4" bolt.
- SHD-SO239-LA2.0 : a brand new replacement for our SHD-SO239 antenna base.
- Antenna Bases: in addition to our three standard bases, we also have an optional NMO base with removable groundplane radials for 135-521 MHz - all bases fit same hole.
- Cables and Connectors : check out our new listings for cables and highg-quality Amphenol PL259 connectors, "the real deal".
Product Photos and Videos:
The following are just a few of the photos that we have on our products, to illustrate some of the key features and installation ideas for this item.
PHOTOS BELOW: "HMA-1" on a horizontally mounted CLAMP200 heavy-duty base, for mounting almost any HF/V/UHF mobile antenna to a railing and some fences. Also shown are the optional: AMB-Gnd-1 counterpoise "ring", AMB-Bkt-1 "L" antenna mount & SHUNT100 HF load inductor. The antenna is a Hi Q Antennas 5/160RT covering 160-10m. This is REALLY STURDY!
For additional product photos, please visit our PHOTO GALLERY ("Product Photos" & "Customer Photos" sections).
ORDER HERE: AMB_HMA-1 - buffed aluminum ($35.00) + Shipping (USD)
We offer DISCOUNTS if you order three (3) or more items (mix and match). For a FAST QUOTE fill out our QUOTE FORM . For shipping information click > SHIPPING (Worldwide) .
United States Customers: Shipping $16.00, shipping each additional $5.00
Canadian Customers: Shipping $33.00, shipping each additional $6.00
International Customers: Shipping $49.00, shipping each additional $7.00
ORDER HERE: AMB_HMA-1 - powder coated (5 colors) - please CONTACT US for a price.
Our standard powder coated colors can be seen at PRODUCT FINISHES . We can also do custom colors.
AMB_Mast-D2.0: Pair of V-Clamps for Mounting Masts to CLAMP-200
[Photo above: Example of "Mast-D2.0" v-clamps mounted on CLAMP200 on RV ladder with "Buddipole" mast with High Sierra "Sidekick" HF screwdriver and two counterpoise radials - CLAMP200 & mast not included]
AMB_Mast-D2.0: pair (2 sets) of V-clamps/hardware for installing 1-2" O.D. mast or flag pole on a vertical CLAMP200 for RV ladders (SS & cast Al, with all hardware, 5/16x18). Made of 18-8 stainless steel.
Purpose: Mount an antenna mast or flag pole to CLAMP200 mounted vertically on RV or building ladder.
Compatible Mounts & Brackets:
Product Photos and Videos:
The following are just a few of the photos that we have on our products, to illustrate some of the key features and installation ideas for this item.
PHOTO BELOW: Additional views of "V-Clamps on CLAMP200, for mounting masts up to 2 inches.
For additional product photos, please visit our PHOTO GALLERY ("Product Photos" & "Customer Photos" sections).
ORDER HERE: AMB_Mast-D2.0 ($37.50) + Shipping (USD)
We offer DISCOUNTS if you order three (3) or more items (mix and match). For a FAST QUOTE fill out our QUOTE FORM . For shipping information click > SHIPPING (Worldwide) .
United States Customers: Shipping $10.00, shipping each additional $3.00
Canadian Customers: Shipping $15.50, shipping each additional $3.50
International Customers: Shipping $17.50, shipping each additional $4.00
AMB_SG237-Kit1: Hardware Kit Mounts SGC Auto Tuner to BKT_Sksp-1 Mount
[Photo above: Hardware kit shown mounted to BKT_Sksp-1 flat mount with Shakespeare 4245 spring base and SG237 HF ATU; notice the deployed counterpoise wires - photo by KA4KOE.]
AMB_SG237-Kit1: hardware kit for mounting the SGC SG237 HF auto tuner below our BKT-Sksp-1 mount. Hardware includes: four sets of two lengths of aluminum standoffs and long stainless steel bolts/hardware. Simple bolt-on installation.
Purpose: Mount SGC's HF auto tuner for use with the Shakespeare spring base and vertical whips up to 32 feet long.
Compatible Mounts & Brackets:
- BKT-Sksp-1 : HD flat mount for Shakespeare spring base - required
Other Accessories & Options:
You might also be interested in the following accessories and options that will work with this item. These can be ordered by clicking on the PRODUCT NAMES below, which take you to a detailed description and ordering page for each item. We offer a discount if you order three (3) or more of one or multiple products. For a FAST QUOTE, click > QUANTITY DISCOUNT .
- CNCT-PL259-WXQD : weatherproof quick-disconnect for your coax - unplug your coax neatly if you remove your antenna, without having the plug "dangling in the wind and weather". Use your antenna on another vehicle or fixed- base while you're not operating mobile, or use multiple antennas on one vehicle. Very unique.
- Cables and Connectors : check out our new listings for cables and highg-quality Amphenol PL259 connectors, "the real deal". We have a jumper cable that can connect the auto tuner to the base connector on the Shakespeare spring base.
Product Photos and Videos:
The following are just a few of the photos that we have on our products, to illustrate some of the key features and installation ideas for this item.
PHOTO BELOW: 'SGC Kit-1" with our BKT-Sksp-1 flat mount, a Shakespeare spring base and Shakespeare 32 foot whip - great stationary mobile! Photo courtesy of KA4KOE.
For additional product photos, please visit our PHOTO GALLERY ("Product Photos" & "Customer Photos" sections).
ORDER HERE: AMB_SG237-Kit1 ($39.00) + Shipping (USD)
We offer DISCOUNTS if you order three (3) or more items (mix and match). For a FAST QUOTE fill out our QUOTE FORM . For shipping information click > SHIPPING (Worldwide) .
United States Customers: Shipping $10.00, shipping each additional $3.00
Canadian Customers: Shipping $15.50, shipping each additional $3.50
International Customers: Shipping $17.50, shipping each additional $4.00
AMB_VMA-4: SHD Adapter for Mounting Horizontal Mounts to Vertical Surface
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[Photo above: "xxxxxx shown with ]
AMB_VMA-4: SHD "L" bracket (1/2 x 6x6 x4" wide) for attaching horizontal mounts (up to 3/4" thick) to a vertical surface (up to 1-1/4" thick; thicker with longer bolts). INCLUDES stainless steel hardware: 3/4" bolt for attaching our mounts and four 3/8" bolts for attaching to the vertical surface.
Purpose: Attach our various horizontal antenna mounts to a vertical surface.
Compatible Mounts & Brackets:
- UHAM-150 : adjustable universal, two points of attachment, mount for HF screwdriver/motorized antennas with base diameters up to 2 inches.
- BKT_Flat-4 : HD flat mount with 3/4 inch diameter for mounting HF antennas with base diameter up to 4 inches.
- BKT_Sksp-1 : HD flat mount for Shakespeare 4245 spring base, for Shakespeare whip antennas up to 32 ft. long and Hi Q Antennas "ruggedized" HF motorized antennas.
Product Photos and Videos:
The following are just a few of the photos that we have on our products, to illustrate some of the key features and installation ideas for this item.
PHOTO BELOW:"VMA-4" with our BKT_Flat-4 mount. The "VMA-4" can also be mounted upside down.
For additional product photos, please visit our PHOTO GALLERY ("Product Photos" & "Customer Photos" sections).
ORDER HERE: AMB_VMA-4 - buffed aluminum ($57.00) + Shipping (USD)
We offer DISCOUNTS if you order three (3) or more items (mix and match). For a FAST QUOTE fill out our QUOTE FORM . For shipping information click > SHIPPING (Worldwide) .
United States Customers: Shipping $18.00, shipping each additional $8.00
Canadian Customers: Shipping $34.00, shipping each additional $15.00
International Customers: Shipping $53.00, shipping each additional $23.00
ORDER HERE: AMB_VMA-4 - powder coated (5 colors) - please CONTACT US for a price.
Our standard powder coated colors can be seen at PRODUCT FINISHES . We can also do custom colors.
QUANTITY DISCOUNTS & SPECIAL PAYMENTS:
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