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Conpany Profile
7 YRS Shaanxi Fenghuo Hongsheng Science & Technology Co.,Ltd
Product Details
Equipped with productive portable electronic telephone set factory and company, Fenghuo Hongsheng is one of the leading China portable electronic telephone set manufacturers and suppliers. Welcome to contact us.
Model HFDX-1 Portable Electronic Telephone Set can replace of the traditional magnetic telephone. It is specially used for the wire communication and the communication distance of is 21km. It has the advantages of water-proof, shock-proof, clear in voice, stability in operation and good compatibility performance.
Main Technical Specifications of Portable Electronic Telephone Set :
Operating temperature: -40?~+50?
Dimensions: 50mm×110mm×240mm
Weight=1550g
Power voltage: 4.5V (3 pieces of dry batteries)
Tx ring frequency: 16Hz~30Hz
Rx Sound level=70dB (A)
Amplitude=55V (3kO load)
Tx ring duration time: 1s~2s
Transmitting characteristics of Portable Electronic Telephone Set
Length of Simulated User’s line | 0Km | 5Km |
Tx Loudness Evaluation Value(dB) | =5 | =18 |
Rx Loudness Evaluation Value(dB) | =-13 | =2 |
Side Tone Shielding Evaluation Value(dB) | =0 | =2 |
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Min.Order : 1 Pieces