Product Name: Remote Speaker Mic for Vertex Two Way Radio Vx261 Model NO.: SF-SP15-Y04 Output Impedance: 50-1000? Wireless Technology: No Connector(s): for Two Way Radio Sound Field Force: Combined Type Transducer Principle: Condenser Microphone Sound Channel: Stereo Directivity: Omni-direction Signal Transmission: Wired Application: for Two Way Radio Style: Handheld Microphone Color: Black Competible: for Hytera Weight: 160g Cable Size: 4.2mm Waterproof Rating: IP54 Type: Transmitter Function: Push to Talk Certification: Waterproof IP54 Condition: New Trademark: szafeway Transport Package: PE Bag for Each PCS Specification: PC+PU cable Origin: China HS Code: 8517704000 Product Description Feasures:Remote speaker mic waterproof IP54 for radio commnunicationsLong PTT service lifeQuality shatter-resistant speaker PC housing.Feature a 3.5mm jack accessories for connecting an earphone to the unit4.2mm Strong, flexble and durable coil cablesHigh quality clear audio communicationWith a stainless 360 degree clip on the backVigourous, rugged and adaptable designed for tough working environmentsApplications:For Vertex VX261Excellent application in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments, andIdeal for high noise level environmentCompetible for following radios:For Hytera TC518, TC610,TC620Other connector optional:Can be modified according to the customers' demands on all kinds of brand handheld radiosAvailable for Icom, standard, Yaesu, Kenwood, Motorola, transceivers and others.Speaker:Speaker size: 45mmSound pressure level: 94dB ±3dBImpedance: 8 Ω ± 15%Audio output :2WMicrophone:Type: Electret microphoneMicrophone size: 6.0*2.7mmFrequency response: 20-16000 HZSensitivity: -40dB± 2dBImpedance: 2.2K Ω