The TTU-3-INSIDE from Alpha is an ideal for mounting on a countertop on both sides of a barrier. Yet they allow free communication through barriers typically found in banks, cashier’s booths, information booths and similar environments.
Features
- Clear, 2-way hands-free voice communication (duplex)
- Quality electronic design and engineering
- Rugged, tamper-resistant materials
- Simple, one-person installation. No need to cut a hole in the barrier
- Compact, contemporary design. Fits any decor
- Avoid shouting, repetition, misunderstanding
- 220VAC Export models available (ask for details)



















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