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More Details About Undergrounds Broadcasting Telephone




Product Description

Casing MaterialDie cast aluminium, epoxy powder coated
 ColorsYellow, other colors to special order
 Handset MaterialCycoloy with stainless steel spiral cord
 KeypadRubber keypad
 TemperatureOperating: -30°C to +65°C

Storing: -40°C to +75°C

 Weather ResistanceIP 67
 Ringing ToneShrill warble tone 85 dBA at 1 metre typical
 Hook switchElectronic / magnetic with no visible moving parts
 M.T.B.F.Calculated to have an M.T.B.F. in excess of 50,000 hours using
 WeightUp to 5 kg depending on option



Technical Specification

Analogue Version
  Power SupplyFrom the analogue telephone network
  Supply Voltage24 VDC to 65 VDC
  Supply Current20 mA DC to 100 mA DC
  Ringer Volume– 80dB(A) at a distance of 1 m
– 110dB(A) at a distance of 1 m (for external horn speaker)
  Dialing MethodDTMF mode in accordance with ITU-T recommendation Q.23.


SIP Version
  Power SupplyPoE or 12V DC
  Power Consumption-Idle:1.5W
  SIP ProtocolSIP 2.0 (RFC3261)
  Support CodecG.711 A/U, G.722 8000/16000, G.723, G.729
  Communication TypeFull duplex
  Ringer Volume– 90~95dB(A) at a distance of 1 m
– 110dB(A) at a distance of 1 m (for external horn speaker)


Ambient conditions
  Protection TypeIP 66 as per EN60529
  Operating Temperature-30°C to +70°C
  Storage Temperature-40°C to +75°C




   ★ Strong structure, vandal resistant – Aluminum alloy die-casting shell      

   ★ Cord with stainless steel spiral – tensile strength up to 200 KG

   ★ High-quality sound – with built-in induction loop

   ★ 6 stainless steel tamper screws – to prevent theft and tampering

   ★ Ingress protection rating – up to IP 67

   ★ Easy to installation – wall mounting or pillar mounting for choice



JR103-FK-HB Undergrounds Broadcasting Telephone more commonly used in toll station, gas station, mine, underground pipe gallery, tunnel, sewage plant, hydropower station, steel plant, food processing factory and so on.

Packing & Delivery

  Unit Size204 *334 *109 (mm)
  Carton Size200 *300 *440 (mm)
  Packaging MaterialsPearl cotton, carton
  Net Weight5 KG
  Gross Weight6 KG

Heavy Duty, Vandal Resistant Metal Telephones

PortShenzhen, Guangdong
Lead Time
(If you finish the payment today, your order will ship out within the delivery date.)
Est. Time(Days)225To be negotiated



Customized Accessories

Heavy Duty, Vandal Resistant Metal Telephones

J&R provide LOGO printing and accessories customization services.

We will also provide suitable solutions according to the needs of customers.


      HOOK FUNCTION: Magnetic hooks for choice

      KEYBOARD SHAPE: Round buttons and square buttons for choice

      INDICATOR LAMP COLOR: Red, yellow, blue, green for choice

      MOTHERBOARD MODEL: 2G/3G/4G/SIP/GSM for choice

      HADSET CORD: Black curly handset cord or stainless steel spiral cord

If you have any custom requirements, please feel free to contact us.



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