Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd.

Industrial telephone manufacturer

Joiwo Explosion-proof High-tech Enterprise EU Standard Double-effect Integration
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Product name: access control interphone

Item model number: JWAT422

Communication system: VOIP

Shell material: aluminum alloy panel, iron bottom shell

Equipment weight: 850g

Device size: 195x120x39m

Product Details

The surface shell of the product is made of high-strength aluminum alloy material and matched with an iron bottom shell; the shell

adopts waterproof and dustproof design, and the standard reaches IP65; and the surface shell is fixed with anti-removal hexagon

screws, which can effectively prevent floating. Dust and reduce damage caused by man-made malicious hard objects

◆ There are single call key (emergency assistance) and double call key (emergency assistance and business consultation) for choice,

with a recording output port, which can be used for recording of hard disk video recorders

◆ With 2-way short-circuit input, it can be connected to peripherals such as infrared probe, door sensor, vibration sensor, emergency

button, etc. to trigger alarm or output linkage

◆ With 2-way short-circuit output, it can be connected to control alarm lights, door locks and other equipment, through remote DTMF,

remote server control instructions or 2-way short-circuit input linkage control

◆ With external active speaker output interface, to achieve HD quality (G.722) background music amplification playback

◆ Integrate intelligent security, audio/video intercom and broadcasting

◆ System online management and upgrade

◆ High compatibility - compatible with mainstream IP PBX/softswitch/IMS platforms based on SIP


Rated voltage

DC12V/1.5A or PoE



speed dial

1-3 DSS keys with indicator lights

Network Interface

2 10/100Mbp RJ45 ports

other interface

Active speaker output port, recording output port

Frequency response

250~3000 Hz


Built-in 3W/4Ω

Ring tone level


Anticorrosion grade


Protection class


ambient temperature

-40°C to 70°C

Relative humidity

10% - 90%

Total Weight


Installation method Indoor/Outdoor, Wall Mount

Why Choose Us

Certification : SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,
Packing: 1 sets/carton, 11kg/carton
Delivery date: 3-7 days
MOQ: 1 set
Supply Ability: 5000 sets/month
Payment Term: T/T, Paypal, Alibaba Trade Assurance, L/C or others for negotiation.
Samples Offer: Samples are available and can be free for strategic customer.
Samples arrangement: Standard samples will be prepared to sending in about 3 working days. 
(And DHL 3-5days; UPS 3-5days; Fedex / TNT 3 5days; EMS 7 days to reach destination)
After-sales Service 2 Years' Warranty and spare parts are available for maintenance.
Contact Tel: 0086-574-58223619, Mob: +86-13858299692


Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd.



Address: No. 8, Guoxiangqiao Middle Road, Lanjiang Street, Yuyao City, Zhejiang Province

Purchasing: product application case