For Beltronics models: PRO-500, PRO-300, PRO-200, PRO-100, GX65, Sti Magnum, STi Driver, RX65, RX55, 995, 965, 955, 940 | There are two different versions of the 940. If your 940 has a round power jack this cord will not work.
Extended range: allows the Device to detect faraway Radar and laser signals | Autoscan technology: ensures quiet performance | Digital voice alerts: let you keep your eyes on the road while driving | Programmable design: allows you to customize the detector to your own driving style | Operating bands: x-band: 10.525 GHz 25 MHz, k-band: 24.150 GHz 100 MHz, ka-band: 34.700 GHz 1300 MHz, & laser: 904nm, 33Mhz bandwidth