COMTELCO – THE LEADER IN SPRING LOADED ANTENNAS Comtelco introduced the first spring loaded-contact in a mobile antenna and continues to develop and improve this technology. Comtelco antennas use a rugged .125” diameter stainless 17-7 steel tapered whip in our standard base loaded antennas. Many of our competitors use only a .100” diameter whip. The difference can be seen in the bending over that a lighter duty whip exhibits when mounted on a moving vehicle. Our antennas have an enclosed silver-plated phasing coil and feature a .125” diameter stainless whip below the coil. This gives us a more robust whip than units with only a .100” diameter whip. Our High-Q loading coils are wound and 100% tested before and after assembly to insure proper operation. Our coils are larger diameter allowing Low Band coils to be built in the same low profile base as our VHF and UHF models. We have provided more frequency splits in our shunt fed base loads. This allows better frequency matching throughout the bandwidth. Most of our black whips are epoxy powder coated so there is no chipping or flaking, a problem that is encountered with chrome. A1801AS A1843B A1845A A1845BS Low Band Unity Gain, Shunt Fed, DC Grounded, Brite finish A1801AH-27 26-31MHz A1801AH-30 30-35MHz A1801AH-34 32-37MHz A1801AH-37 36-40MHz A1801AH-39 39-45MHz A1801AH-45 45-54MHz A1801AH-47 47-54MHz To order shock spring version add “S” suffix to the base part number. EXAMPLE: A1801AHS-27 Low Band Unity Gain, Shunt Fed, DC Grounded, Black finish A1801BH-27 26-31MHz A1801BH-30 30-35MHz A1801BH-34 32-37MHz A1801BH-37 36-40MHz A1801BH-39 39-45MHz A1801BH-45 45-54MHz A1801BH-47 46-54MHz To order shock spring version add “S” suffix to the base part number. EXAMPLE: A1801BHS-27 Low Band Unity Gain, Series Fed, Brite finish A1801A-27 27-31MHz A1801A-30 30-35MHz A1801A-34 34-40MHz A1801A-40 40-48MHz A1801A-47 47-54MHz To order shock spring version add “S” suffix to the base part number. EXAMPLE: A1801AS-27 Low Band Unity Gain, Series Fed, Black finish A1801B-27 27-31MHz A1801B-30 30-35MHz A1801B-34 34-40MHz A1801B-40 40-48MHz A1801B-47 47-54MHz To order shock spring version add “S” suffix to the base part number. EXAMPLE: A1801BS-27 LOW BAND BASE LOADS LOW BAND 11 RUGGED .125 TAPERED STAINLESS STEEL ROD NICKEL CHROME PLATED BRASS CAP MOLDED LOW LOSS COILFORM UV INHIBITED ABS HOUSING FOR ENVIRONMENTAL PROTECTION NICKEL/CHROME PLATED BRASS BASE ADAPTER WITH NO THRU HOLE NEOPRENE SEAL SOLID COPPER WIRE DOUBLE STEP SEAL SPRING LOADED CONTACT O RING SEAL US Office: Tel: 800.648.2800 or 847.671.6690 UK Office: Tel: (+44) 1543 459 555
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