TOA Electronics Inc., South San Francisco, Calif., has expanded its N-8000 Series IP Network Intercom System with two new outdoor substations. The Q-N8540WP outdoor IP substation and Q-N8050WP outdoor substation were both designed with silicon-coated circuit boards to withstand extreme temperature climates. The Q-N8540WP can connect directly to the network and only occupies one network node.

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