- These side-mounting clamps are used when a base station antenna has to be side-mounted on the supporting lattice mast or mast tube.
- The SMC 500 has a side-mounting distance of approx. 0.5 m and the SMC 1000 a side-mounting distance of approx. 1.0 m.
- The clamp types can be supplied with U-bolts, for masts with diameter 15 – 65 mm (typical: lattice mast legs), for mast tubes with diameter between 65 and 105 mm, and for mast tubes with diameter between 105 and 115 mm. (See table below).
- The brackets are mainly intended for all the omnidirectional antennas provided with type “C” or “LW” clamp, but can also readily be used together with all “GP”-antennas for 38 mm mast tubes or for carrying directional antennas.
- The brackets are made of hot-dipped galvanized steel and all accompanying fittings are in stainless steel (mounting plate for the model up to 115 mm is in stainless steel).
Description
Specifications
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Ordering Designations
| Model | Product No. | Description | |
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| SMC 500/15-65 | 100000049 | 2 pcs. 65 mm U-bolts 8 pcs. M8 nuts 4 pcs. washers. D = 15 - 65 mm | |
| SMC 500/65-105 | 100000048 | 2 pcs. 105 mm U-bolts 8 pcs. M10 nuts 4 pcs. washers. D = 65 - 105 mm | |
| SMC 500/105-115 | 100000527 | 2 pcs. 115 mm U-bolts 8 pcs. M10 nuts 4 pcs. washers 4 pcs. M8 screws 4 pcs. M8 spring washers 4 pcs. M8 nuts 1 pcs. mounting plate. D = 105 - 115 mm | |
| SMC 1000/15-65 | 100000045 | 2 pcs. 65 mm U-bolts 8 pcs. M8 nuts 4 pcs. washers. D = 15 - 65 mm | |
| SMC 1000/65-105 | 100000051 | 2 pcs. 105 mm U-bolts 8 pcs. M10 nuts 4 pcs. washers. D = 65 - 105 mm | |
| SMC 1000/105-115 | 100000525 | 2 pcs. 115 mm U-bolts 8 pcs. M10 nuts 4 pcs. washers 4 pcs. M8 screws 4 pcs. M8 spring washers 4 pcs. M8 nuts 1 pcs. mounting plate. D = 105 - 115 mm |
Mounting Details
All dimensions are given in mm.
Please Note
The optimum position for an omnidirectional antenna is at the top of the mast as this ensures undisturbed radiation in all horizontal directions.
Mounting of an omnidirectional antenna at the side of a mast imposes some distortion of the radiation pattern as well as the SWR. The influence is dependent on the distance to the mast and the mast diameter.
Often this effect can be advantageously exploited to create directional patterns when a certain “preferred area” has to be covered by the antenna system.
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