Home > Products > Elevator Telephone > cold roll steel sheets elevator telephone handfree call phone KNZD-29
cold roll steel sheets elevator telephone handfree call phone KNZD-29
- 1000 Piece / Pieces per Month
- T/T L/C D/P D/A
- 7 days
- Undertake service of sea transportation and air transportation
- sell machining, rivet welding, casting and forging,and heat treat part
- Supply Slitting Line and Crosscut Shearing Line
- Undertake Kinds of Steel Casting Machining
- provide Intermediate Frequency Furnace
- Supplying steel rolling mill production line
Product Details
Place of Origin: | China |
Product Description
cold roll steel sheets elevator telephone handfree call phone KNZD-29
Main Features:
Metal body, Built-in loud speaker, Built-in noise cancelling Microphone,SUS keypad waterproof keypad,LED indicator, Hand free call and answer,Time out function, Auto answer or auto stop
Applications:
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~ +60 degreeRelative humidity: 10%~95%Atmospheric pressure: 86~106Kpa Circumstance noise: less than 60dB(A)
3. Sound level of ringing: over 70dB(A).
4. Standard frequency: low frequency group: 697. 770. 852. 941Hz,
high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%~+1.5%
If service line is a 3Km signal-level:
Standard frequency: low frequency group: -12dB~-6dB, high frequency group: -10dB~-4dB, level difference between low and high frequency of compound signal: 1dB~3dB, the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.
5. Call transmission index: (5KM)SLR<12, RLR<-1, STMR>10, output impedance is 600 Ohm.
6. Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
For more information, pls contact:
Nicole Chen
Mobile / whatsapp: 0086 136 9217 0664
Skype: knsales10
E:mrkt38(a)/sales1(a)
Contact Us
- Koon Technology (Shenzhen) Ltd.
- Contact nameZoe Luan
- Phone0086-755-29790158
- Address6th/F, 268# building, Nanchang industrial park, Gushu, Baoan Yantai,Shandong
- advertising metal logo
- The newest!! Diode laser 808 diode laser for hair removal system
- 980nm Diode Laser Spider Vein Removal Machine Rbs02
- 2015 innovative product laser tattoo removal
- multifunction laser 532 1064 nd yag q switched
- Medical equipments Fractional co2 Laser for scar removal
- Outdoor IP67 waterproof phone KNEM-25 Emergency Phone SOS device Heavy Duty Industrial Telephones
- Koontech Wireless telephone tower KNEM-21 GSM
- cold roll steel sheets elevator telephone handfree call phone KNZD-29
- 2016 home designs portable beauty equipment microdermabrasion peeling beauty salon equipments
- Discount price 2016 beauty equipment sculpture facial contours everyone wants
- The hot sell figures blocks,mini figures blocks,building blocks for sale Supplier's Choice
- 2V 650AH UCG GEL Maintenance Free Rechargeable Lead Acid Deep Cycle UPS Full Solar Accumulator Battery
- 12V 100AH Lithium Ion NCM E-bike Golf Cart Battery
- 2V 750AH UC AGM Maintenance Free Rechargeable Lead Acid Deep Cycle UPS Battery
- Fashion Silver Chain Alloy Pendant
- Ball Point Pen With Massage Function
- SH-18S
Find Similar Products By Category
- Business Services > Royalties & License Services > Trademarks
- Buy on GoldSupplier.com
- How to Buy
- Browse by Catagories
- Browse by Hot Regoins
- Private Sourcing Events
- Sell on GoldSupplier.com
- How to Sell
- Post Products
- Manage Products
- Manage Groups
- About
- About Us
- Link to Us
- Contact Us
- Sitemap
- Please Enter your Email Address
- Please enter the content for your inquiry.
We will find the most reliable suppliers for you according to your description.
Send Now-
Zoe Luan
Welcome to my shop! Glad to serve you!Please send your question!
Your message has exceeded the limit.
Your message has exceeded the limit.
-
-
Your inquiry content must be between 20 to 5000 characters.Send Now.
-
Please input the mailbox.
-