on sale! Connect Systems CS7000-M17 PLUS WITH GPS, BLUETOOTH, MANDOWN,VIBRATOR This is a radio as initially shipped, is designed to do the DMR, Analog and M17 Protocol. For those not familiar with M17, it uses 4FSK modulation with an open source Protocol and Vocoder. This... $499.00 $299.00 $499.00 Quick view add to cart Add Wish List