1. Robust aluminium alloy die-cast body, Vandal resistant and tamper-resistant hardware, simple installation.
2. Full keypad with memory, 1 button programmable ,support free dial.
3. With external 30W loud speaker.Material:metal. Impeddance:8Ω.Freq.Resp:300-7000HZ. S.P.L:(1M/W):108dB. Megenet:ALum
4. With red flash Light. Work voltage: 12V DC/10W
5. Lightening protection to ITU-Trecommendation K.21.
6. Heavy Duty handset with hearingAid compatible(HAC) receiver,Noise canceling microphone.
7. Door cover: orient automatically and good self - closing, convenient for use.
8.Temperature range from -40 degree to +70 degree.
9.Support echo cancellation.
10.Remote software upgrade, configuration and monitoring.
11. Optional 7 minute time-limited call.( This function upon buyer’s requirement).
12. Powder coated in UV stabilized polyester finish.
13. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.