380-520MHz 2-Stack Stainless Steel Dipole Array
The SM42S (Stainless Steel) is a 6dBd gain 2 stack folded dipole antenna array. Mounted on a 50mm Ø support pole with all antennas in the array at ¼ wave antenna to mast spacing producing a cardioid radiation pattern. All coaxial cabling, including phasing harness, running internally inside support pole thus reducing any damage resulting from otherwise exposed cabling.
The antenna array is DC grounded for lightning protection and is vertically polarised.
| Frequency | 380 – 520 MHz (entire range) |
| VSWR over operating range | Less than 1.5:1 |
| Nominal Impedance | 50 Ohm |
| Termination | 800mm RG213 Cable tail to N type female |
| Power Rating | 300 Watts |
| Gain | 6 dBd in direction of elements from the mounting pole |
| H Plane | 220 deg Cardioid as typical of sidemounted dipole elements (¼ wavelength spacing) |
| E Plane | 36 deg at -3dB points |
| Approx. Weight | 6.7kg |
| Mounting | 1500mm vertical support pole x 50mm Ø |
| Construction | Marine grade Stainless Steel |
| Wind Loading at 160Kph | 11.1 Kg |
| Protection | DC grounding via folded dipole element construction and by the phasing harness being run internally of mounting tube |
| Phasing Harness | Internal 2 way |
| Suggested Mounting Clamp | BR-HDP2-GV or if mounting on a horizontal boom (outrigger) BR-HDR2-GV |
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