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JWBT820
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Catalog excerpts

JWBT820 - 1

Ningbo Joiwo Explosionproof Science & Technology Co., Ltd. EXPLOSION PROOF TLEPHONE Product Model: JWBT820 Defend Grade:IP66 Communication System: IP Material: Aluminum alloy Color: Yellow (customized) Technical Parameters Explosion-proof mark Power Supply Telephone Line Powered Signal Voltage Standby Work Current Frequency Response Ringer Volume Amplified Output Power Corrosion Grade Ambient Temperature Atmospheric Pressure Relative Humidity Lead Hole Application 1. Suitable for explosive gas atmospheres Zone 1 and Zone 2. 2. Suitable for IIA, IIB explosive atmosphere. 3. Suitable for dust Zone 20, Zone 21 and Zone 22. 4. Suitable for temperature class T1 ~ T6. 5. Hazardous dust and gas atmospheres, petrochemical industry,Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc. 86-574-58223619 No. 8 Middle Road Guoxiang Bridge Lanjiang Street Yuy

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JWBT820 - 2

Ningbo Joiwo Explosionproof Science & Technology Co., Ltd. Features 1. Support 2 lines SIP, SIP 2.0 (RFC3261). 2. Audio Codes:G.711, G.722, G.729. 3. IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP. 4. Echo cancellation code:G.167/G.168. 5. Supports full duplex. 6. WAN/LAN: support Bridge mode. 7. Support DHCP get IP on WAN port. 8. Support PPPoE for xDSL. 9. Support DHCP get IP on WAN port. 10. Aluminum alloy die-casting shell, high mechanical strength and strong impact resistance. 11. Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone. 12. Zinc...

Open the catalog to page 2

All Joiwo Explosion Proof Science and Technology catalogs and technical brochures

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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