防爆VHF/UHF调频手持对讲机TK-2260EX/3260EX建伍防爆对讲机tk3260EX防爆型式和防护等级：***性气体环境本质安全型“i”：ExibⅡCT4Gb可燃性粉尘环境本质安全型“iD”：ExibD21T110℃Db周围环境温度:-20℃~+50℃频段136MHz-174MHz,440MHz–470MHz16个信道员工安全功能(倒地/静止/移动检测)单独工作者扫瞄优先扫瞄和回呼FleetSyncPTTID,选呼和紧急呼叫增强建伍音频QT/DQT/DTMF/5音防尘和防水内置语音扰频器两种型号锂离子电池选择)