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

Industrial telephone manufacturer

Joiwo Explosion-proof High-tech Enterprise EU Standard Double-effect Integration
current position: Home > Products > Speakerphone


Product Name: Amplified Telephone

Product model: JWAT416V

Communication system: VOIP system

Protection class: IP65

Dimensions: 289×182×127

Material: cold rolled sheet

Color: yellow (can be customized)

Product Details

◆ The system has strong expansion compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols.

◆ Support one-key direct call dispatcher function; urgent call function keys can be arbitrarily set up.

◆ Full-duplex intercom function.

◆ The sensitivity of speakers and microphones can be adjusted; optional G.729,G.723, G.711, G.722, G.726 and other voice codecs code method.

◆ The internal circuit of the telephone adopts the international general double-sided integrated circuit, with It has the advantages of accurate numbering, clear calls, and stable work.

◆ The surface of carbon steel is electrostatically sprayed, with high mechanical strength and impact resistance powerful.

◆ The handle, fork and keyboard of key parts are all made by our company. Production, strict quality control, fast after-sales response quick.


Feed voltage DC12V1A or POE
Standby operating current ≤1mA
Frequency response 250~3000 Hz
Ring tone level ≥80dB
Protection class IP65
Anticorrosion grade WF2
Ambient temperature -30~+60℃
Atmospheric pressure 80~110KPa
Relative humidity ≤95%
Pinout hole 3-PG11
Total Weight 3.5kg
Installation method Wall-mounted

Scope of application

It is suitable for subways, pipe corridors, tunnels, highways, power plants, gas stations, docks, steel plants and other places, in environments with special requirements for moisture-proof, fire-proof, noise-proof, dust-proof and freeze-proof.




1. Register to the server and customize the number of the call key. When using, the caller presses the hands-free button, and then presses the call key to automatically dial the pre-stored number → the called party's phone rings

2. The called party hears the ringtone → press the button to answer the call, the two parties talk normally

3. When the call ends, press the hands-free button to hang up


Why Choose Us

Certification : SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,
Packing: 1 set/carton, 8.5kg/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