Built for extreme vibration and impact, the MXTA48 features a Heavy Duty Spring Base. This is the essential agricultural and commercial antenna for tractors and heavy machinery. The flexible spring allows the antenna to deflect off branches or barn doors without damaging the vehicle's mount. SHOCK-ABSORBING SPRING Protects your radio and vehicle mount from impact damage. COMMERCIAL GRADE Built for 24/7 use in demanding farm and construction environments. ENHANCED SIGNAL STABILITY Minimizes signal "flutter" during high-vibration operation. UNIVERSAL COMPATIBILITY Works with all Midland MicroMobile® and GMRS radios.