Basic Info.
Product Description
Description:
defend grade: gb 4208-93 ip 66 / ip 67
call capability of phone: gb/t 15279-94
application scope: metro, light railroad, speedway, ship, mine, etc.
external configuration specification:
external dimension: 320*205*120mm weight: 5.5kg
installment dimension:139*260mm m8 bolt is used to install
main features :
1. cabinet:aluminum alloy die - casting, high anti-violent, able to glisten, convenient for looking for
2. door cover:orient automatically and good self - closing, convenient for use.
3. handset:made of special engineering plastic, high anti-knock resistance. high tensile strength resistance and high anti-violent.
4. all of the components including handset telephone receiver and transmitter, keypad, buzzer, circuit board and cabinet are designed to be multi - layer waterproof and dust - proof which is up to class iii grade. the whole machine is up to national standard gb4208-93 ip 66.
5. phone is provided with high stability, high anti-jamming capability, and it is up to national standard gb/t 15279-94.
specification:
1. applicable for various types of spc exchange and dispatching exchange system with feeding voltage of 48-60v.
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:0db~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)
Company Profile
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Business Type: |
We supply all kinds of industrial telphone,such as weatherproof telehone,waterproof telephone,weatherproof telehone,elevator telehone,sos telephone,solar telephone |
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Comapany: |
Hongkong rocky technology ltd |
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Address: |
Gushu street |
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City: |
Shenzhen |
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Zip/Postal: |
518126 |
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State: |
Guangdong |
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Country: |
China |
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