Speaker Mic for Motorola Mobile Radios GM300, DEM300, DEM200, SM50, SM120, SM130, M1225, CDM750, CDM1250, CDM1550, etc. Alternative to the original HMN3596

• ✓ PTT Button Operable With Gloves in Extreme Cold Conditions
• ✓ Kevlar-Reinforced Medical Grade Cable for Maximum Durability
• ✓ 20 Hz to 20 kHz Frequency Response for Crystal Clear Audio
• ✓ Withstands Extreme Temperatures From -4°F to 221°F
• ✓ Supports 88 lb of Tension Without Damage to Cable
• ✓ Universal Compatibility With Multiple Motorola Mobile Radio Models