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Telephone copier
Telephone copier

Telephone copier

Item No.: YT-DL20

Made of nylon fiber waterproof shell, with magnetic gravity door cover, can prevent dust and moisture entering, thus extending the service life of products, improve product reliability and stability. Especially suitable for dust, humidity, noise, outdoor installation.

MOBILE: +86 018924638894


Product features

1.Standard analog phone

2.Nylon fiber-reinforced shell, durable, good sealing; environmental protection, long-term outdoor exposure will not fade.

3.cover With magnetic attraction lock, orient automatically and good self - closing,water-proof & dusting proof 

4.Anti-vandal handset, using imported PC and ABS synthetic materials.

5.Full keypad with memory, 10 button programmable speed-dial telephone

6.Built-in power and ringing indicators

7.All accessories such as handle transmitter/receiver, keyboard, circuit board, shell, etc. adopt multi-layer waterproof and dustproof structure. Meet the IP66 protection standard.

8.High quality waterproof adhesive, high viscosity, high temperature and pressure resistance, waterproof life of more than 10 years

9.Wall Mounting


1.Pick up/hang up mode:Pick-up/hook-up mode is a handle control mode, pick-up is on, hook-up is off .

2.answer the phone:When a call comes in, the phone rings, remove the handle and talk to the other party, hang up the handle when finished

3. dial number:Remove the handle and operate it in the same way as a normal telephone to talk to the other party


Phone size: 337 *307 *130(mm)

Outer box size: 400*350*180(mm) 

Packing material: pearl cotton, carton 

Gross weight 5KG 

Net weight: 4KG

Detailed parameters

1.Suitable for various program-controlled switches and fiber optic telephones with a feed voltage of 33-60V

2.Temperature: -40℃~75℃

3.Relative humidity: 10%~95%

4.Atmospheric pressure: 86~106 Kpa 

5.Environmental noise: ≤60dB(A) 

6.Ring tone level: ≥80dB

7.Signal level when the subscriber line is 3KM

Low frequency group: 697-941Hz

High frequency group: 1209-1477Hz

Frequency offset: no more than ±1.5%

High and low frequency level difference of combined signal: 2±1dB 

Total distortion caused by harmonic intermodulation is at least 20dB below fundamental level

8.Call transmission index: SLR≤12, RLR≤-1, STMR ≥10, output impedance: 600Ω

9.On the 0.8mm cable core, the subscriber line can be up to 5KM long.

10.Connection mode: telephone line twisted pair.