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MAXIMUM SENSITIVITY<\/strong> EASY TUNING<\/strong><\/p>\n Tuning with the enhanced tune knob is broad and is protected from accidental contact so it\u2019s not easily bumped off your tune setting when getting in and out of the vehicle.<\/p>\n LIGHT WEIGHT<\/strong> And, our commitment to using aluminum alloys which have the maximum strength to weight ratios makes this receiver as light and strong as technically possible.<\/p>\n WATER RESISTANT<\/strong><\/p>\n Almost. The receiver is not designed to be used in very wet conditions, yet it will hold up in light rain. If it is accidentally submerged through accident or fall, it should be drained and allowed to dry before re-using.<\/p>\n OPTION TO USE VEHICLE TO POWER RECEIVER<\/strong><\/p>\n The car adapter is designed to bypass the batteries and power the receiver for extended periods inside the vehicle in order to save the batteries, to preserve them for long walks away from the car. The cigarette lighter adapter can found in the accessories. The Field Marshall uses common easy to find AAA batteries which are not rechargeable.<\/p>\n WHAT BATTERIES TO USE<\/strong><\/p>\n For general use,\u00a0 Alkaline AAA batteries are the most cost effective and provide good battery life but Lithium AAA batteries offer the best performance in cold weather, are the lightest, and last the longest.\u00a0 Remember to always remove batteries from your receiver during periods of long storage (off season).\u00a0 Rechargeable batteries (such as NiCad or NiMH) should not be used as they do not provide sufficient and consistent voltage to operate the receiver effectively.<\/p>\n Always use name brand batteries (like Energizer or Duracell) with a comprehensive warranty, in case there is ever an accident with the actual batteries inside your receiver.<\/p>\n OPTION TO USE WITH OMNI ANTENNA<\/strong><\/p>\n The Field Marshall easily excepts input from an external antenna, simply remove the coaxial cable from the receiver body, and plug in the coaxial cable from your external antenna. The Field Marshall uses a \u2018SMB\u2019 connector, most omni antennas use the larger \u2018BNC\u2019 connector. A simple adapter (included with the purchase of an omni from Marshall Radio) can be used to connect other vehicle mounted antennas to your Marshall Receiver.<\/p>\n FULL SIZE COLLAPSIBLE YAGI ANTENNA The Field Marshall 4000 comes with a “full size” collapsible yagi antenna as standard.\u00a0 Offer rugged simplicity.<\/p>\n Coverage<\/strong><\/p>\n The Field Marshall 4000 covers all channels in the 216-219 Bands (216.000-219.999).\u00a0 Allowing reception of most tracking collars.<\/p>\n","protected":false},"excerpt":{"rendered":" The\u00a0Field Marshall<\/strong> 4000 can track any collar in the 216-219 MHz band.<\/p>\n The Field Marshall offers the highest sensitivity (range) of any Tracking receiver on the market.\u00a0 The FM4000 has big sound (with speakers top and bottom), a solid ultra-compact case design featuring a “Quick-Release” handle,\u00a0 LED control panel lighting for nighttime use, and the latest generation of Marshall’s exclusive collapsible yagi antenna.<\/p>\n Also, exclusive to the digital Field Marshall is the addition of poly phase filters, our new noise floor reduction technology that reduces the background noise while increasing the effective range and tracking ease.<\/p>\n FM4000 216-219<\/p>\n Available with the Full size collapsible Yagi Antenna for a more compact size.<\/p>\n <\/p>\n
\nGetting the best range requires having the most \u201cuseful sensitivity\u201d in a receiver. The combination of receiver, the matching cable and the antenna designed for specifically for it constitute a complete package that must work in harmony to achieve the most sensitivity possible. The Digital Field Marshall will give the most range of any Tracking Receiver in the World.\u00a0 Nothing goes farther than the Field Marshall, especially in cities or areas of \u201cunwanted radio noise.\u201d\u00a0 With better than -154dBm sensitivity, the Field Marshall can discern the weakest signals.<\/p>\n
\nUsing newest generation electronic components, a collapsible yagi and creative packaging allows us to fit a lot into a small space.<\/p>\n
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