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Highway call box

Highway call box

material:Cold Rolled Steel

The highway call box is made of GSM motherboard. Easy installation and convenient communication, suitable for emergency contact on expressways.If you would like to consult or order highway telephone, please contact us at marketing@koontech.com or online server, we will provide you with competitive prices.
highway call box details

Highway Call box KNZD-09A-1

        Highway call box for freeway made of matel. The weatherproof highway call box  is rugged and durable. Special sealing design can ensure complete waterproof grade up to IP66. weatherproof , dustproof and moisture-resistant. The Highway call box widely used in expressway and outdoor. Most expressway project need install IP66 telephone for emergency communication. Solar powered highway emergency call box work as 911 call box for freeway assistance.

In the past, highway telephones  were a useful communication tool that solved the problem of accidents that could not be rescued in the past on highways. Now with the construction of mobile communication devices, when people have an accident on the highway, they only need to dial 911 through their mobile phones, and this is a safer way. At present, in many places there are still places where mobile signals cannot be covered, and the construction of highway call box is indispensable.

What is highway call box?

The road telephone call box is an emergency help phone booth specially installed on the road to facilitate the driver to have an accident on the road and urgently ask the staff or the police for help.

What is an emergency phone?

An emergency call is an emergency number that prompts the relevant department for assistance in the event of an accident, such as an alarm call 911, 999, 112.

How far apart are the emergency highway call box on the highway?

Highway call boxes are often installed along highways around the world for emergency relief. On the highway, a call box is usually installed at intervals. In the UK, usually one mile each, an emergency call box is installed and there are signs. In China's highways, an emergency call box is usually installed every 2.5 kilometers.

Highway roadside telephone or call box

Emergency highway call boxes are emergency safety telephones that are built with the consideration of road management and road safety considerations. The installation of highway emergency call boxes can effectively reduce the casualties of accidents and help tourists get emergency assistance.

Highway call box, VoIP and analog phone?

In roadside applications, the best choice for a call box is a VOIP phone or a gsm phone. The VoIP call box uses IP networks for voice communication and has great benefits in highway emergency communication management.


1. GSM telephone.
2.Metal body,solid and temperaturebearable.
3.Handset free, 3W loudspeaker.
4.Heavy duty vandal resistantbuttons.
5.With or without keypad optional.
6.Waterproof grade aboutIP66.
7.Body with grounding connection protection.
8.Support hotline call, stop if the other side hangup.
9.Built-in loud speaker, noise canceling microphone.
10.Lighting will flash when there is an incoming call.
11.Built-in rechargeable battery with solar powered panel.
12.The design is super thin and smart. Embed style and hanging style can bechosen.
13.Time out function optional.
14.Color: Yellowor OEM.
16.Special alarm message by SMS function if: *Push button not wok *Low battery *Low GSM signal *Door opened *SMS recipient number *Hot line number

Main PCB

1.Well treated PCB used inside the phone.

2.Robust screw terminals used for the connection of ringer,handset,line in,hook switch.

3.All connectors be greased in production.

Main PCB

1. Ringing: Through internal Speaker/ringer
2. Time out: selectable 0-20 minutes
3. Temperature: 0°C ~+60°C
4. Relative Humidity: up to 90%.

Anti-tamper antenna

Prevent the destruction of the antenna by external force majeure.

highway call box details

highway call box details

highway call box details

highway call box details

Telephone Layout KNZD-09A-SC5

highway call box and coulumn

Mounting Bracket

highway call box design

Connection cable 

Stainless steel connection cable to exchange

Well treated keep waterproof.

     EMC:EN50121(Railway application-Electromafnetic Compatibility)
     ITU-T Recommendations K21
Packaging specifications
Unit size:300*180*150mm, N.W:3.3kg
1pcs in each inner CTN box,Box size: 439 x 277 x 191mm   G.W: 4kg
4pcs in outer CTN box, size: 566 x 445 x420 mm  G.W: 17.3kg
SC5 (Solar Pillar)   1pcs/CTN; size: 185*30*30cm; GW: 49KG.

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==>>>> Product Specification

GSM Version -- KNZD-09A GSM

Full Duplex Hands-free Speakerphone SMS Remote alarm
High power amplifier and speaker Over the air firmware updates
Acoustic echo cancellation Vandal and water resistant call button and locks
Background noise reduction Sequential number calling (on failure to connect )
Quad Band GSM (850/900/1800/1900MHz) Configuration using SMS commands
SMS remote program the hot line Feature control using operator telephone touchpad (DTMF)
VoIP Version -- KNZD-09A IP
VoIP SIP2.0 telephone DTMF dialing Max. switching current:1A
MTBF:100000hours MTTR: 2 hours Audio Codes:G.711,G723,G.726, G.729
Free dial (maximum length of each number is 32 digits) Network:10/100 Base TX Ethernet, RJ45;connectors, Cat5e or better
Communication: Full duplex 2-way IP Protocols:IPv4, TCP, UDP, RTP, DHCP, SIP
Call Control Signaling: VOIP SIP Info(DTMF), RFC 2833(DTMF) 1 x LAN Power over Ethernet(PoE,802.3af)
Power: PoE, IEEE802.3af, Class 0 1 x LAN(IEEE 802.1x), Network Access
Local power, AC110~220V or 12VDc,Idle 2W Max 10W Control (IEEE 802.1x), STP (IEEE 802.1d),RSTP(IEEE 802.1d-2004)
Auxiliary Contacts: (option) Programming: Non-volatile flash memory;programming and configuration through Web GUI
1 Aux Output, dry contact Management and Operation: DHCP and static IP, remote automatic software upgrade, centralized monitoring
Dry contact Load parameter Echo cancellation code: ITU-T G.167/G.168
Rated load:0.3 A at 125 VAC; 1 A at 30 VDC Max. switching voltage:125 VAC,30VDC
Rated carry current:1A
Analog Version -- KNZD-09AA
PSTN analogue telephone DTMF dialing
MTBF:100000hours MTTR: 2 hours Connection: RJ11 screw terminal pair cable
Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V Ambient temperature: -30 ~ + 60 degree. Relative humidity: 10%~95%
Atmospheric pressure: 86 ~ 106Kpa;Circumstance noise: less than 60dB(A) Sound level of ringing: over 70dB(A)
Standard frequency: low frequency group:697. 770. 852. 941Hz, high frequency group:1209. 1336. 1477Hz, frequency deviation: -1.5% ~ +1.5% Super strong function is available for dialing 12 groups of numbers stored in the memory(maximum length of each number is 16 digits)
Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request)
Accessories Specification
Model: Lithium batteries
Nominal capacity: 14000mAh
Nominal voltage: 7.4V
Inside resistance ≤500mΩ
Charging ways: Constant voltage
Maximum charge current 1C(3500ma)
Charging cap voltage: 8.4V
Charge temperature: 0~+45℃
Circle life: ≥300times
Charged maintenance ability: Residual capacity > 90%
packing: Blue soft PVC
Size: 200*50*65mm
Solar panel
Maximun power(WP) 40W
Maximum power current(A) 2.22A
Product material Solar toughened glass
Productive technology Glass laminated
Storage/using temperature -30°C+60°C
Dimension 530*520*25mm
Charge temperature 0-45°C
Efficiency photoelectric conversion Above 15%
Charged maintenance ability Residual capacity>90%
Packing Blue soft PVC
Size 200*50*65mm
Solar Controller
Specification DC12V/10A
Solar energy input voltage Less than 55 V
Overvoltage protection 17V
Equalizing charging voltage 14.6V
Over-discharge recovery voltage 12.5V
Undervoltage 12V
Over-discharge voltage 11V
Operating temperature -35°C to +65°C
Dimensions 82*58*20(mm)

==>>>>Telephone System

Highway Call Box System

Highway call box in the entire highway telephone dispatching system.

highway call box system

highway call box system

==>>>>Product Application

Highway call box application

highway call box in outdoor
highway call box in outdoor
highway call box in outdoor highway call box in outdoor 

==>>>>Product Detailed Pictures

Highway Call Box Detail Picture

highway call box detail highway call box and solar pannel

==>>>>Product Video

==>>>>Please Email US marketing@koontech.com

This product model:KNZD-09A-SC5