Pro Tech Technologies, Inc. has introduced its NoiseBuster® Communications Module for use with portable communications devices such as mobile phones, smartphones, iPhones®, personal computers, iPads® and two-way radios. The module delivers clear two-way communications in high-noise industrial environments where personal hearing protection is required. Any user of a NoiseBuster Active Noise Reduction (ANR) Safety Earmuff can easily enhance their earmuff with two-way communications capability by adding the module. Pro Tech Technologies, Inc., www.noisebuster.net, (203) 210-7230. Circle 254Two-way communications module