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Supply Ability : | 500 Sets/Month |
>>> Features
1.RFM-4/T, with a unique communication design, can effectively
amplify the voice of the person wearing the mask, keeping the call
clear and loud.
2.With automatic alarm and manual alarm functions,it can
effectively shorten the call time in dangerous situations.
3.Long-distance communication function by connecting with external
walkie-talkies makes collaboration between people more convenient
and effective.
4.Equipped with lighting equipment, it is easy to operate in the
dark.
5.Exquisite overall design and simple operation.
6.With a HUD (head up display), which can be connected with digital
display electronic pressure gauge wirelessly.
Standard power: | 1 W | Maximum output power: | 2 W |
Frequency response | 300HZ-3400HZ | Battery voltage: | DC3V |
Battery type | 7# batteries | Battery capacity: | 1500 MAh |
Working current | 100-500 MA | Standby current: | ≤ 10 mA |
Speaker impedance | 8 Ω | Sensitivity | 94 ± 3 db |
Pick-up | capacitor | Frequency response | 200-20000 HZ |
Output impedance | 1 K | Sensitivity | - 38 dB + 2 dB |
Normal working temperature | - 20 ºC to + 60 ºC. | Power supply voltage | intercom power |
Storage temperature range | - 40 ºC to + 70 ºC. | Working current | about 1 ma |
Output impedance | 32 Ω. | Output signal amplitude | 50-100 mv |
Clutter suppression degrees | ≥40dB | Output distortion rate | ≤5% |
Normal working temperature | - 20 ºC to + 60 ºC |
Storage temperature range | - 40 ºC to + 70 ºC. |
Protection grade | ip66. |
The microphone and the loudspeaker conversion delay | ≤0.5S. |
PTT switch: | l ≥ 1000000 times. |
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