I have an excellent condition Field Marshall 100 for sale that has been used a handful of times and works great. Covers all the 216 frequencies and comes with the Marshall cover case with carry strap.

Here's what Mike's Falconry has to say about it:

FM100 is a single band receiver with full size yagi antenna and we carry this is 216 Mhz frequency. The Field Marshall 100 offers 100 Khz and its range is 216.000 -216.099. And you can use up to 10 transmitters on this one band width of 216 Mhz.The Field Marshall 100 receiver does not rely on crystals to determine the frequencies it can find. The all digital circuit allows this receiver to pick up any channels in the available band width.This premium tracking receiver offers more sound volume from any position with speakers on top and bottom, a new ultra-compact heavy-duty case design featuring a "Quick-Release" handle, improved LED front lighting of the control panel for night tracking, improved water resistance for use in wet weather, and the latest generation of Marshall's exclusive collapsible yagi antenna.Also, unique to the Field Marshall is the addition of poyphase filters, our new noise floor reduction technology that reduces the background noise while increasing the effective range and tracking ease.

Brand new this sell's for $694 - Asking $550 with free insured shipping.

PM me with any questions.