{"product_id":"p2p-cd28-41-70","title":"RFI CD28-41-70 VHF Ground Independent Mopole 148 - 175 MHZ - Threaded Stud - No cable","description":"\u003cdiv class=\"rte\"\u003e \u003ch4\u003e RFI CD28-41-70 VHF Ground Independent Mopole 148 - 175 MHZ - Threaded Stud - No cable - 1340mm \u003c\/h4\u003e \u003cp\u003e \u003cspan\u003e The \u003cspan data-mce-fragment=\"1\"\u003e The CD28 series are ground independent Mopole antennas ideal in “alternative” mounting positions such as gutter  mirror or trunk mounts. \u003c\/span\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp\u003e \u003cspan\u003e \u003cspan data-mce-fragment=\"1\"\u003e CD28-41-70 Features: \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e Utilising a patented matching circuit  the CD28-41-70 antennas are end fed dipole antennas combining a durable thermoplastic housing with a flexible tapered stainless whip section resistant to knocks and bends. \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e • Performance - Exhibits 3 dB improvement in performance over a 1\/4 wave whip \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e • Versatile - Ground independent design allows use in alternative mounting locations \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e • Rugged - The transformer circuit is housed within a high impact thermoplastic moulding which is virtually indestructible \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e • Unique termination method simplifies installation and re-cabling in the field \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e • Designed  manufactured and patented in Australia [Australian Patent # 596830 and 656793] \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e (1) MopoleTM antennas such as the CD28 have been shown to exhibit a 3dB improvement in received signal level in the field when compared to a ¼ wave whip however in pattern tests exhibit only 1.5 to 2dB over a ¼ wave (equivalent to 1.5-2dBi). This improvement in performance can be attributed to a lower radiation angle level of these ground independent antennas. \u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e (2) Also available preterminated with 5m 8058 RG58C\/U. Use -73 or -53 suffix to replace -70 or -50 suffix \u003c\/span\u003e \u003c\/span\u003e \u003c\/p\u003e \u003cp\u003e \u003cstrong\u003e Specifications: \u003c\/strong\u003e \u003c\/p\u003e \u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" id=\"prod_spec\" style=\"margin: 0px; padding: 0px; border: 0px; border-collapse: collapse; border-spacing: 0px; empty-cells: show; font-size: 12px; width: 640px; color: #444444; font-family: Arial  Helvetica  sans-serif; background-color: #ffffff;\"\u003e \u003ctbody style=\"margin: 0px; padding: 0px;\"\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Band \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 148 - 175MHz \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Tunable Bandwidth \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 5 MHz @ 1.5:1 VSWR 10 MHz @ 2.0:1 VSWR \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Nominal Gain dBq \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 3 \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Tuning \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e Field tune to minimum VSWR using supplied chart \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Power W \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 50 \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Cable and Connector \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e Not included  order separately. See note (2) \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Whip Material \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 17-7 PH tapered stainless steel whip with moulded base coil assembly \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e Whip Length mm \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 1340 \u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"margin: 0px; padding: 0px;\"\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; text-align: right; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366; border-right: 4px solid #ffffff; width: 180px;\"\u003e VSWR \u003c\/td\u003e \u003ctd style=\"margin: 0px; padding: 7px; vertical-align: top; background-color: #e9f2f9; border-bottom: 2px solid #ffffff; color: #003366;\"\u003e 5 MHz @ 1.5:1 VSWR 10 MHz @ 2.0:1 VSWR \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch4\u003e \u003cbr\u003e Documentation \u003c\/h4\u003e \u003cp\u003e \u003cspan style=\"color: rgb(255  128  0);\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0016\/1556\/0819\/files\/CD28_Series_P-42452.pdf?v=1604970587\" rel=\"noopener noreferrer\" style=\"color: rgb(255  128  0);\" target=\"_blank\" title=\"RFI CD28 Series Technical Data Sheet\"\u003e CD28 Series Technical Data Sheet \u003c\/a\u003e \u003c\/span\u003e \u003c\/p\u003e \u003ch4\u003e \u003c\/h4\u003e\n\u003c\/div\u003e    @10\/30","brand":"RFI","offers":[{"title":"Default Title","offer_id":48274982174975,"sku":"CD28-41-70","price":116.97,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0498\/8029\/files\/cd28-41-50_3.jpg?v=1779758713","url":"https:\/\/phoneinc.com.au\/products\/p2p-cd28-41-70","provider":":) Phoneinc","version":"1.0","type":"link"}