3M E-A-R Classic Plus Probed Test Plugs 393-2009-50, 50 EA/Case 390-1262 Wireless Technology: UHF (Tetra) +

Wireless Technology: UHF (Tetra) + 3G 4G LTE

Mission Audio Profiles (MAP) - Five optimized listening modes for different operational environments

Optimized for Cradlepoint: Perfect companion for Cradlepoint routers and advanced mobile broadband solutions

High-Gain Specialty Antenna for Cellular/PCS Applications

Incorporating 3M PELTOR technology in both earcup design and electronics makes this MT Series hard hat headset an ideal choice for clear

3M E-A-R Classic Plus Probed Test Plugs 393-2009-50, 50 EA/Case 390-1262 Wireless Technology: UHF (Tetra) +These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E A Rfit Validation System 50 PR Per Case 3M PSD products are for occupational use only. *The NRR may overestimate the hearing protection provided during typical use. Y Harness for mounting a boom microphone to the left earcup and enabling connection to a PTT adapter for two way radio communication These test earplugs are modified with a probe tube for