Viking HF-3W Two-Way Handsfree Talkback Amplifier

Viking HF-3W Two-Way Handsfree Talkback Amplifier provides handsfree talkback paging for use in city desks, shipping, warehouses, service departments or any application where quick answers are needed. HF-3W Features: Alert tone Selectable "Push-to-Talk" feature for noisy environments 28V DC talk battery 3 watts of paging power Compatible with some two-way paging ports Background music input May be integrated into existing paging system For Electronic or 1A2 key, or "No KSU" phone Improved sound quality Package Includes: Weather proof bi-directional paging horn Model # 25AE Power Supply $120.34

source https://www.vikingtelecomsolutions.com/viking-hf-3w-two-way-handsfree-talkback-amplifier.html