GME AB004 Replacement Antenna Base Connector for AE47xx Series UHF CB Antennas A genuine replacement antenna base connector from GME, the AB004 suits the GME AE47xx (AE4700) series UHF CB antennas, using a male PL259 at the whip end and an SO239 centre at the spring base end. The GME CTA500 crimping tool is required for installation and is sold separately. Product overview The GME AB004 is a genuine GME replacement antenna base connector for the AE47xx series of GME UHF CB antennas, joining the antenna whip assembly to the spring base. The male PL259 connects to the whip assembly and the SO239 centre connects to the spring base, using the standard PL259/SO239 connector pairing common across the Australian UHF CB market. The AB004 is a field replacement part for when the original connector has been damaged, corroded, or has developed a failed coaxial cable connection. This is not a plug-on connector. The GME CTA500 crimping tool is required to correctly terminate the coaxial cable to the connector and is sold separately. Confirm you have access to the CTA500 or a compatible crimping tool before purchasing. Features and benefits AE47xx series specific - replacement for the GME AE4700 series: The AB004 is the correct replacement base connector for GME AE47xx series UHF CB antennas including the AE4700, AE4704, AE4705, AE4706, and related models. PL259 and SO239 connection - standard Australian UHF CB pairing: The PL259 male at the whip end and SO239 centre at the spring base end use the standard connector pairing across the Australian UHF CB market for a reliable electrical and mechanical connection. CTA500 crimping tool required - sold separately: The GME CTA500 crimping tool is required to terminate the coaxial cable to the AB004 connector. It is not included. Confirm you have access to this tool before purchasing. Genuine GME spare part: A manufacturer-supplied replacement connector ensuring correct fitment, connector specification, and long-term reliability within the GME AE47xx antenna system. Technical specs Specification Detail SKU AB004 Brand GME Type Replacement Antenna Base Connector Compatible Antennas GME AE47xx Series (AE4700 Series) Connector - Whip End Male PL259 Connector - Spring Base SO239 Centre Tool Required GME CTA500 Crimping Tool (Sold Separately) Compatible with The AB004 is compatible with GME AE47xx series UHF CB antennas including the AE4700, AE4704, AE4705, AE4706, and related models. Confirm your specific antenna model with us before purchasing. The GME CTA500 crimping tool is required for installation and is sold separately. Frequently asked questions What is the AE47xx series?The AE47xx series refers to GME's range of 477MHz UHF CB whip antennas including the AE4700, AE4704, AE4705, AE4706, and related variants. These are spring-base whip antennas used for UHF CB communication in 4WD, farming, and recreational vehicles. The AB004 is the replacement base connector for antennas in this family. What are PL259 and SO239 connectors?PL259 and SO239 are a mating pair of RF coaxial connectors widely used in CB and UHF radio installations. The PL259 is the male plug with a centre pin and threaded collar. The SO239 is the female socket it threads into. On the AB004, the PL259 connects to the antenna whip assembly and the SO239 centre connects to the spring base. What is the CTA500 crimping tool and is it included?The CTA500 is GME's dedicated crimping tool for terminating PL259-style connectors onto coaxial cable. It is not included with the AB004 and is sold separately. Without the CTA500 or a compatible crimping tool, the AB004 cannot be correctly installed. Confirm you have access to this tool before purchasing. When would I need to replace the antenna base connector?Common reasons include physical damage from impacts or vehicle flexing, internal corrosion from water ingress, a broken or intermittent electrical connection at the coax termination, or stripped threads. If the antenna is performing poorly or intermittently and the cable and whip are otherwise in good condition, a failed base connector is a likely cause. Is the AB004 compatible with the AE4705 and AE4706 antennas?The AB004 is specified for the AE47xx series which includes the AE4705 and AE4706. Confirm your specific antenna model with us before purchasing to ensure the AB004 matches your antenna's connector specification. Legendary Products & Support From Authorized Dealers When you choose Frankies BrandBeast, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's why purchasing from an authorized dealer is always the right choice: ▸ Expert Knowledge & TrainingOnly authorized Frankies BrandBeast dealers are factory-trained to sell and install our products. They have the expertise to ensure your purchase is set up correctly and meets your expectations. ▸ Authorized Warranty ProtectionWe offer one of the best warranties in the industry, but only purchases made through authorized dealers are covered. Don’t be misled by unauthorized sellers who can’t provide genuine warranty support. ▸ Reliable Customer SupportIf you ever run into an issue, you’re backed by Frankies BrandBeast’s official manufacturer’s warranty. No need to deal with overseas returns—our local team takes care of everything quickly and efficiently. ▸ Protect Your InvestmentBuying from an authorized dealer ensures you’re getting genuine products, full warranty coverage, and expert support. Ask yourself—is saving a few bucks worth losing all that? Choose wisely. 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