{"product_id":"firestik-kw4-smk","title":"Firestick KW4-SMK","description":"\u003cp\u003e This high quality 27MHz antenna comes complete with a 120cm (4ft) antenna and a 3-way mounting bracket. The included antenna bracket allows you to mount this antenna to a vertical or horizontal mirror arm, roof rail, other suitable mounting points on a vehicle, or to a flat vertical surface.\u003c\/p\u003e\n\n\u003cp\u003e The KW4-SMK comes with 5.5 meters of Fire Flex premium RG-58A\/U coaxial cable, complete with two screw-on PL-259 connectors. As an extra, you will receive a stainless steel spring and a microphone holder when purchasing this antenna.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eAdjusting the Firestik KW Series\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003eThe Firestik KW series is the original Firestik, dating back to 1975, long before the adjustable antenna tip was invented. While many in the 27MHz world thought these antennas would be made obsolete by easier to adjust antenna designs, the popularity of the original has never wavered.\u003c\/p\u003e\n\n\u003col\u003e\n\n\u003cli\u003e Remove the cap.\u003c\/li\u003e\n\n\u003cli\u003e Using a knife, make vertical cuts in the tube at the top (apex) of the antenna (about 1-1.5 cm long).\u003c\/li\u003e\n\n\u003cli\u003e Pull the tube back to expose the wire coil.\u003c\/li\u003e\n\n\u003cli\u003e Trim the thread, push the thread back into place.\u003c\/li\u003e\n\n\u003cli\u003e Replace the cap.\u003c\/li\u003e\n\n\u003cli\u003e Measure the SWR again.\u003c\/li\u003e\n\n\u003cli\u003e Repeat this process if necessary until the antenna is properly tuned and has a good SWR value.\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\n\u003cp\u003e \u003cstrong\u003eInstallation of the Firestik KW series\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003eThese antennas rely on a ground (earth) and require a metal surface to perform well and are \u003cspan style=\"text-decoration: underline;\"\u003enot suitable for non-metallic vehicles or those with insufficient metal surfaces\u003c\/span\u003e . They can also be used to build a base station antenna if a ground plane is available. When used with a transmitter, these antennas must be tuned and tested over the radio's operating frequency. Using an untested, untuned antenna can damage the radio circuitry.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eMounting on metal with a coating layer\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003eGround dependent antennas require mounting brackets and antenna supports that are grounded to a chassis ground point. Will you be mounting this antenna to a surface that is powder coated, painted or anodized? These layers act as an insulating coating and \u003cspan style=\"text-decoration: underline;\"\u003emust be removed\u003c\/span\u003e before mounting this antenna.\u003c\/p\u003e","brand":"Firestik","offers":[{"title":"Black","offer_id":54857986769278,"sku":"FIRE KW4SMKB","price":97.95,"currency_code":"EUR","in_stock":true},{"title":"Red","offer_id":54857986802046,"sku":"FIRE KW4SMKR","price":97.95,"currency_code":"EUR","in_stock":false},{"title":"White","offer_id":54857986834814,"sku":"FIRE KW4SMKW","price":97.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/3052\/8953\/files\/Firestik_KW4-SMK-B_Zwart.jpg?v=1732736816","url":"https:\/\/www.deltron.nl\/en\/products\/firestik-kw4-smk","provider":"Deltron","version":"1.0","type":"link"}