Motorola XPR 6300 Headset (RMN5058) ham radio mobile antenna 3M recommends reducing the NRR

3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided

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Motorola XPR 6300 Headset (RMN5058) ham radio mobile antenna 3M recommends reducing the NRRMotorola XPR 6300 Headset provides high clarity, hands free, discreet two way communication. Adjustable over the head, single ear headset with a boom microphone and in line PTT. Designed to provide maximum comfort for extended wear in moderate noise environments. Comaprable to Motorola RMN5058. Compatible with the following Motorola models: MOTOTRBO Motorola XPR 6350 Motorola XPR 6500 Motorola XPR 6380 Motorola XPR 6550 Motorola XPR 6580 Motorola APX