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No Dial Visitation Phone - SP-3500
No Dial Visitation Phone - SP-3500

Product Code: SP-3500-N
Please call 800-525-4300 or email [email protected] for the lowest current pricing and availability.


The G-Tel SP-3500 speakerphone is a industrial, durable 14 gauge stainless steel cord-free, handsfree, unit designed for areas where handsets are not wanted or to eliminate suicide risk. This handset free telephone offers reliable communication for office buildings, courtesy phones, SoHo environments, airports, transit sites, hospital, medical or educational facilities, wherever the need for a handsfree telephone exists.

The weather resistant handsfree phone has a built-in mounting plate designed for fast, easy installation. The mounting plate includes a gasket which prevents moisture from entering phone. The oversized line-wire entrance hole w/ moisture preventing gasket rated IP54


  • The oversized line-wire entrance hole w/ moisture preventing gasket,
  • Magnetic, sealed invisible Hookswitch.
  • Volume control for ADA, ABA 508 Compliance.
  • Armored handset cord with internal lanyard for security and can be shortened for high-risk areas where an anti-suicide phone is required.
  • The handset cord retaining bracket is designed for fast, easy handset changes on site without removing the phone. The stainless steel grommet and secure retention bracket provides added security for the handset cord lanyard and allows you to adjust the cord to the length you need,
Technical Parameters:
  • Protection Class: IP54
  • Ambient Temperature:
    • -40 􀔨 ~ + 60 􀔨
    • -40 F ~ + 140 F
  • Relative Humidity: ≤95% (at room temperature)
  • Atmospheric Pressure: 80 ~ 110KPa
  • Frequency Response: 250 ~ 3000 Hz
  • Supply Voltage: 48 ~ 60V
  • Feed Current: 25mA
  • Call Transfer Index:
    • SLR≤12 dB,
    • RLR≤-1dB,
    • STMR≥10dB
  • Environmental Noise: ≤70dB
  • Ringing level: ≥80dB
  • Operates on C.O., analog lines or analog dialtone PABX/KSU stations

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