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JWBT820
1 /2Pages

JWBT820

JWBT820
1 /2Pages

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

 Open the catalog to page 1
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 alloy...

 Open the catalog to page 2

All Joiwo Explosion Proof Science and Technology catalogs and technical brochures

  1. Industrial vandal proof volume control public telephone
    Industrial vandal proof volume control public telephone

    2  Pages

  2. Industrial help phone proof Roadside emergency telephone waterproof telephone JWAT937
    Industrial help phone proof Roadside emergency telephone waterproof telephone JWAT937

    2  Pages

  3. voip sip ip handsfree industrial emergency intercom
    voip sip ip handsfree industrial emergency intercom

    3  Pages

  4. weatherproof emergency speed dial industrial telephone
    weatherproof emergency speed dial industrial telephone

    2  Pages

  5. metro waterproof telephone
    metro waterproof telephone

    2  Pages

  6. tunnel waterproof telephone
    tunnel waterproof telephone

    2  Pages

  7. analog waterproof telephone
    analog waterproof telephone

    2  Pages

  8. waterproof telephone for highway
    waterproof telephone for highway

    2  Pages

  9. public telephone
    public telephone

    2  Pages

  10. emergency telephone
    emergency telephone

    2  Pages

  11. WATERPROOF TELEPHONE - JWAT909
    WATERPROOF TELEPHONE - JWAT909

    3  Pages

  12. weatherproof telephone with beacon
    weatherproof telephone with beacon

    2  Pages

  13. JWBT811 2025
    JWBT811 2025

    2  Pages

  14. waterproof telephone
    waterproof telephone

    2  Pages

  15. Waterproff telephone _JWAT301
    Waterproff telephone _JWAT301

    2  Pages

  16. vandal resistance speakerphone
    vandal resistance speakerphone

    2  Pages

  17. sip intercom phone
    sip intercom phone

    2  Pages

  18. vandal resistance telephone_JWAT137
    vandal resistance telephone_JWAT137

    2  Pages

  19. sip waterproof telephone
    sip waterproof telephone

    3  Pages

  20. industrial telephone
    industrial telephone

    2  Pages

  21. vandal resistance telephone_JWAT135
    vandal resistance telephone_JWAT135

    2  Pages

  22. IP65 Stainless steel telephone
    IP65 Stainless steel telephone

    2  Pages

  23. waterproof telephone IP66
    waterproof telephone IP66

    2  Pages

  24. SIP telephone with light
    SIP telephone with light

    2  Pages

  25. IP telephone
    IP telephone

    2  Pages

  26. speakerphone
    speakerphone

    2  Pages

  27. Waterproof Telphone -JWAT306
    Waterproof Telphone -JWAT306

    2  Pages

  28. IP65 telephone
    IP65 telephone

    3  Pages

  29. weather-resistance telephone- JWAT306
    weather-resistance telephone- JWAT306

    2  Pages

  30. Vandal resisatnt phone - JWAT137
    Vandal resisatnt phone - JWAT137

    2  Pages

  31. Telephone with protection door JWAT306
    Telephone with protection door JWAT306

    2  Pages

  32. LAN Telephone JWAT924
    LAN Telephone JWAT924

    2  Pages

  33. ANTI VANDAL TELEPHONE JWAT943
    ANTI VANDAL TELEPHONE JWAT943

    2  Pages

  34. corrosion-resistant telephone
    corrosion-resistant telephone

    2  Pages

  35. weatherproof telephone
    weatherproof telephone

    3  Pages

  36. stainless steel telephone
    stainless steel telephone

    2  Pages

  37. JWAT940
    JWAT940

    2  Pages

  38. JWAT137
    JWAT137

    2  Pages

  39. IP vandal proof JWAT924
    IP vandal proof JWAT924

    2  Pages

  40. WATERPROOF EMERGENCY TELEPHONE
    WATERPROOF EMERGENCY TELEPHONE

    2  Pages

  41. VANDAL RESISTANT PHONE
    VANDAL RESISTANT PHONE

    2  Pages

  42. JWAT139
    JWAT139

    2  Pages

  43. JWAT208
    JWAT208

    2  Pages

  44. JWAT413
    JWAT413

    3  Pages

  45. JWBT821
    JWBT821

    2  Pages

  46. JWBT810 2025
    JWBT810 2025

    2  Pages

  47. JWBT812
    JWBT812

    2  Pages

  48. IP66 telephone for Tunnel
    IP66 telephone for Tunnel

    2  Pages

  49. New Waterproof Telephone for Tunnel
    New Waterproof Telephone for Tunnel

    5  Pages

  50. inmate telephone
    inmate telephone

    2  Pages

  51. JWAT410
    JWAT410

    2  Pages

  52. JWAT414
    JWAT414

    2  Pages

  53. JWAT411
    JWAT411

    2  Pages

  54. Highway Emergency Telephone
    Highway Emergency Telephone

    2  Pages

  55. JWAT412
    JWAT412

    2  Pages

  56. WATERPROOF IP TLEPHONE JWAT903
    WATERPROOF IP TLEPHONE JWAT903

    3  Pages

  57. Intercom Door Phone
    Intercom Door Phone

    2  Pages

  58. Video Telephone
    Video Telephone

    2  Pages

  59. Joiwo desktop phone Telephone JWDT661
    Joiwo desktop phone Telephone JWDT661

    2  Pages

  60. Joiwo Waterproof Telephone JWAT310
    Joiwo Waterproof Telephone JWAT310

    2  Pages

  61. Joiwo Call ID Vandal Proof Telephone JWAT924
    Joiwo Call ID Vandal Proof Telephone JWAT924

    2  Pages

  62. Vandal-proof resistant VoIP Desktop phone JWDT662
    Vandal-proof resistant VoIP Desktop phone JWDT662

    2  Pages

  63. Jail Rugged Vandal Resistant Telephone-JWAT150
    Jail Rugged Vandal Resistant Telephone-JWAT150

    2  Pages

  64. Joiwo Hands Free Telephone In clean room JWAT410
    Joiwo Hands Free Telephone In clean room JWAT410

    2  Pages

  65. Joiwo Handsfree Jail Speaker Phone JWAT409
    Joiwo Handsfree Jail Speaker Phone JWAT409

    2  Pages

  66. Joiwo Jail Rugged Vandal Resistant Telephone
    Joiwo Jail Rugged Vandal Resistant Telephone

    2  Pages

  67. Joiwo Waterproof Telephone JWAT922
    Joiwo Waterproof Telephone JWAT922

    2  Pages

  68. Joiwo Waterproof IP Telephone JWAT921
    Joiwo Waterproof IP Telephone JWAT921

    2  Pages

  69. Joiwo Waterproof Telephone JWAT309
    Joiwo Waterproof Telephone JWAT309

    2  Pages

  70. Joiwo One Button Public Telephone JWAT206
    Joiwo One Button Public Telephone JWAT206

    2  Pages

  71. Joiwo Stainless Steel Phone Speed Dial Telephone
    Joiwo Stainless Steel Phone Speed Dial Telephone

    2  Pages

  72. Joiwo VOIP Intercom Phone Weatherproof Telephone JWAT920
    Joiwo VOIP Intercom Phone Weatherproof Telephone JWAT920

    3  Pages

  73. Joiwo Big Jail Phone for Taxi Station JWAT148
    Joiwo Big Jail Phone for Taxi Station JWAT148

    2  Pages

  74. Joiwo Handsfree Phone Waterproof Telephone JWAT408
    Joiwo Handsfree Phone Waterproof Telephone JWAT408

    2  Pages

  75. Joiwo Vandal Resistant Telephone JWAT147
    Joiwo Vandal Resistant Telephone JWAT147

    2  Pages

  76. Joiwo High quality explosion and water resistant payphone handset A01
    Joiwo High quality explosion and water resistant payphone handset A01

    1  Page

  77. Joiwo Vandal proof payphone keypad B517
    Joiwo Vandal proof payphone keypad B517

    1  Page

  78. Joiwo Retro cordless telephone colorful anti-statics handset A05
    Joiwo Retro cordless telephone colorful anti-statics handset A05

    1  Page

  79. Joiwo Industrial metal keypad for outdoor B518
    Joiwo Industrial metal keypad for outdoor B518

    1  Page

  80. Joiwo vandal proof zinc alloy metal cradle for jail phone handset C06
    Joiwo vandal proof zinc alloy metal cradle for jail phone handset C06

    1  Page

  81. Joiwo Emergency switch push button lockout ptt function retro handset A15
    Joiwo Emergency switch push button lockout ptt function retro handset A15

    1  Page

  82. Joiwo Big Button 12 keys Keypad B529
    Joiwo Big Button 12 keys Keypad B529

    1  Page

  83. Joiwo Zinc Alloy Mechanical Switch Cradle C13
    Joiwo Zinc Alloy Mechanical Switch Cradle C13

    1  Page

  84. Joiwo Waterproof Intercom Telephone
    Joiwo Waterproof Intercom Telephone

    2  Pages

  85. Joiwo Stainless Steel Prison Telephone JWAT146
    Joiwo Stainless Steel Prison Telephone JWAT146

    2  Pages

  86. Joiwo IP Intercon Phone JWAT918
    Joiwo IP Intercon Phone JWAT918

    3  Pages

  87. Joiwo IP54 Prison Phone JWAT133
    Joiwo IP54 Prison Phone JWAT133

    2  Pages

  88. Joiwo Stainless Steel Jail Phone JWAT132
    Joiwo Stainless Steel Jail Phone JWAT132

    2  Pages

  89. Joiwo Mini Visitation Phone JWAT123
    Joiwo Mini Visitation Phone JWAT123

    2  Pages

  90. Joiwo Visitation Phone JWAT135
    Joiwo Visitation Phone JWAT135

    2  Pages

  91. Joiwo Jail Phone JWAT130
    Joiwo Jail Phone JWAT130

    2  Pages

  92. Joiwo Smart Mini Phone JWAT145
    Joiwo Smart Mini Phone JWAT145

    2  Pages

  93. Joiwo Public Phone JWAT137
    Joiwo Public Phone JWAT137

    2  Pages

  94. JWBT811
    JWBT811

    2  Pages

  95. Joiwo Weatherproof Telephone JWAT307
    Joiwo Weatherproof Telephone JWAT307

    2  Pages

  96. JWBT810
    JWBT810

    2  Pages

  97. Joiwo Weatherproof Telephone JWAT910
    Joiwo Weatherproof Telephone JWAT910

    1  Page

  98. Joiwo New Waterproof Telephone with Loudspeaker JWAT307
    Joiwo New Waterproof Telephone with Loudspeaker JWAT307

    2  Pages

  99. Joiwo Public Phone Red Mini Telephone JWAT205
    Joiwo Public Phone Red Mini Telephone JWAT205

    1  Page

  100. Joiwo waterproof industrial telephone JWAT303
    Joiwo waterproof industrial telephone JWAT303

    1  Page

  101. Joiwo waterproof telephone with amplifier JWAT302
    Joiwo waterproof telephone with amplifier JWAT302

    1  Page

  102. Joiwo waterproof IP67 telephone JWAT301
    Joiwo waterproof IP67 telephone JWAT301

    1  Page

  103. Joiwo Handsfree Jail Phone JWAT403
    Joiwo Handsfree Jail Phone JWAT403

    1  Page

  104. Joiwo IP54 Jail Phone JWAT133
    Joiwo IP54 Jail Phone JWAT133

    1  Page

  105. Joiwo Smart Prison Phone for Jail JWAT132
    Joiwo Smart Prison Phone for Jail JWAT132

    1  Page

  106. Joiwo Handsfree Phone for Jail JWAT406
    Joiwo Handsfree Phone for Jail JWAT406

    1  Page

  107. Joiwo Jail Phone for Labor Campus JWAT130
    Joiwo Jail Phone for Labor Campus JWAT130

    1  Page

  108. JWAT405
    JWAT405

    1  Page

  109. JWAT404
    JWAT404

    1  Page

  110. Joiwo 2 Button Emergency Phone for Elevator JWAT402
    Joiwo 2 Button Emergency Phone for Elevator JWAT402

    1  Page

  111. Joiwo Handsfree Phone JWAT401
    Joiwo Handsfree Phone JWAT401

    1  Page

  112. Joiwo Corded Out Telephone JWAT136
    Joiwo Corded Out Telephone JWAT136

    1  Page

  113. Joiwo Industrial Telephone JWAT203
    Joiwo Industrial Telephone JWAT203

    1  Page

  114. Joiwo Public Information Telephone JWAT202
    Joiwo Public Information Telephone JWAT202

    1  Page

  115. Joiwo IIC Junction Box JWBX-20C3
    Joiwo IIC Junction Box JWBX-20C3

    1  Page

  116. Joiwo Explosion Proof Junction Box JWBX-20B2
    Joiwo Explosion Proof Junction Box JWBX-20B2

    1  Page

  117. Joiwo Junction Box JWBX-20B1
    Joiwo Junction Box JWBX-20B1

    1  Page

  118. Joiwo Wall mounted Soundpost JWA004
    Joiwo Wall mounted Soundpost JWA004

    1  Page

  119. Joiwo Wall-mounted loudspeaker JWA003
    Joiwo Wall-mounted loudspeaker JWA003

    1  Page

  120. Joiwo Wall-mounted Amplifier JWA002
    Joiwo Wall-mounted Amplifier JWA002

    1  Page

  121. Joiwo Ceiling Loudspeaker JWA001
    Joiwo Ceiling Loudspeaker JWA001

    1  Page

  122. Joiwo Constant Pressure Amplifier JWBY-25Y
    Joiwo Constant Pressure Amplifier JWBY-25Y

    1  Page

  123. Joiwo Explosion Proof Loudspeaker JWBY-25
    Joiwo Explosion Proof Loudspeaker JWBY-25

    2  Pages

  124. Joiwo Explosion Proof Stainless Steel Handsfree telephone JWBT812
    Joiwo Explosion Proof Stainless Steel Handsfree telephone JWBT812

    2  Pages

  125. Joiwo Prison Telephone Visitation phone JWAT123
    Joiwo Prison Telephone Visitation phone JWAT123

    2  Pages

  126. Joiwo Bank Telephone JWAT201
    Joiwo Bank Telephone JWAT201

    1  Page

  127. Joiwo Handsfree phone JWAT402
    Joiwo Handsfree phone JWAT402

    1  Page

  128. Joiwo Public Telephone JWAT204
    Joiwo Public Telephone JWAT204

    1  Page

  129. Joiwo Waterproof IP Telephone JWAT909
    Joiwo Waterproof IP Telephone JWAT909

    1  Page

  130. Joiwo Weatherproof Telephone JWAT304
    Joiwo Weatherproof Telephone JWAT304

    1  Page

  131. Joiwo IP65 Waterproof Telephone JWAT306
    Joiwo IP65 Waterproof Telephone JWAT306

    1  Page

  132. Joiwo Visitation Phone JWAT135
    Joiwo Visitation Phone JWAT135

    1  Page

  133. Joiwo Jail Phone for Prison JWAT137
    Joiwo Jail Phone for Prison JWAT137

    1  Page

Archived catalogs

  1. IP67 telephone
    IP67 telephone

    3  Pages

  2. Joiwo Weatherproof Telephone JWAT306
    Joiwo Weatherproof Telephone JWAT306

    2  Pages

*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.