Handsfree Elevator Intercom Waterproof Dustproof Emergency Sos Phone for Airport

Handsfree elevator intercom waterproof dustproof emergency sos phone for airportKNZD-03Features:
1. Main body and panel with stainless steel.
2. Handset free, wall mounting style.
3. Adjustable 7 minute timeout optional
4. Lightening protection to ITU-T K.21
5. Waterproof grade is IP65
6. The design is super thin and smart. Embed style and hanging style can be chosen.
7. Support hotline call, can realize ring off automatically by the receiver
8. Size: according to customer's requestApplication
As Public telephone for indoor or outdoor, elevator phone, Taxi or bus stands or station, Highway call box. Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities….
DTMF(Dual Tone Multi Frequency)
Standard and SMART Analogue and VoIP-SIP options available
Matching with most PABX,PBX and PAX systems.Product show:
Packaging specificationsMachine size210*150 *60( mm )Carton size230 *170 *80( mm )Packaging materialpearl cotton, cartonGross weight1.7KGNet weight1.5KG
Technic data
Communication protocolSIP 2.0(RFC-3261)Master ChipBroadcom 1190KeysDesignStainless steelDirect-button1Numeric KeypadOptionalVoiceMicrophone1Amplifier0.5W-10WSpeaker2WVolume ControlAdjustableFDSPSupport(AEC)Voice streamSupportable ProtocolRTP/RTSPCODECG.711, G.729PortPower Supply12V+-15%/1A DC or PoEPoEPoE 802.3af (Class 0 - 12.95W) 48V/380mALAN10/100base-TX s Auto-MDIX, RJ-45)CablesHSYV or betterPassive SwitchNormally Open and Normally Closed highest at 30V/1A AC/DCActive Switched Output12V/500mA DCRs232SupportedRFID/IC
Card ReaderOptionalInterfacePower supply12V+-15%/1A DC or PoEPoEPoE 802.3af(Class 0-12.95W)LAN10/100base-TX s Auto-MDIX,RJ-45Recommended cablingCat-5e or higherPassiveswetchNO and NC contacts,up to 30V/1A AC/DCActice switch output12V/700mA DCStructureShell MaterialCold Rolled SteelOperating Temperature-40 C to55 CWorking Condition
Relative Humidity10%-95%Storage Temperature-40 C to70 CInstallationEmbedded installation (pre-burying)Size159*130*40mm