Fire Fighter Portable Telephone Handset

This SINIWO fire fighter portable telephone handset is specially designed for fire fighter communication system and matched with metal telephone jack. For the fire fighter portable telephone handset in this filed, connection stable and background noise canceling are keys factors to think about. SINIWO R&D team focus on the details when create the produce and quality inspection SOP of fire fighter portable telephone handset.

Parameter of fire fighter portable telephone handset

Feature of fire fighter portable telephone handset

1.As a fire fighter portable telephone handset, SINIWO developed two kinds of cord output hole type: one is RJ11 female socket and another one is molding injection grommet, which could meet demand for most of emergency telephone application.

2.As a fire fighter portable telephone handset in emergency telecommunication filed, the electroacoustic indicators is very important when we manufacture it. SINIWO chose several common speaker and microphone for the emergency telephone handset with bellowing details:

1)Speaker details:
Standard Receiver-Dynamic EA1503 (Default)
– DC Resistance : 130±10% ohm
– Frequency Response Range: 300 Hz-3400 Hz
– Sensitivity: 95±3 dB at 60mv
– Impedance: 150±20% ohm at 1 KHz

2)Microphone details:
– Standard Carbon-equivalent Microphone EAOZ03(Default)
– Frequency Response Range: 300 Hz-3400 Hz
– Sensitivity: -12±3 dB
– A15T02 Noise Canceling microphone (Optional)
– Frequency Response Range: 200 Hz-4000 Hz
– Sensitivity: -65±3 dB
– Impedance: 10±20% ohm
– Signal to Noise Ratio: ≥15 dB
– EB5421 Electret Microphone (Optional)

3.In most commercial and residential building, fire fighter portable telephone handset is requested to show manufacturer or wholesaler brand or company name on it, so SINIWO offer this customized logo service or sticker label for all the products. Let us know your request in advance.