KJ725-D mine intrinsic safety card reader

Product Introduction
Mining intrinsic safety card reader with plastic shell design. Compact and convenient, quick and easy to install. The indicator light design facilitates the observation of equipment status. When reading the card, the buzzer sounds.
Product parameters
1) Power supply:
a) Rated working voltage: DC18V;
b) Working current: ≤ 100mA;
2) Main technical parameters for wireless transmission of card readers and identification cards;
a) Modulation method: GFSK;
b) Operating frequency: 2.4GHz ± 0.08GHz; c) Receiving sensitivity: ≤ -80dBm
d) Effective transmission distance: ≥ 80m (unobstructed); 3) Technical parameters of wired transmission;
3) Technical parameters of wired transmission
a) Transmission method: 485 bus;
b) Transmission rate: 2400bps;
c) Peak to peak voltage for transmitting signals: 1V~8V;
d) Maximum transmission distance: The farthest transmission distance between the substation and the substation is 2km.
Product Features
The card reading distance is greater than 80 meters, and the number of recognized cards is greater than 100. Real time transmission of data to personnel positioning substation. The wireless frequency is 2.4GHz. Low power design, matched with KDW127/18B mining explosion-proof and intrinsic safety power supply.

Our company produces and sells various stainless steel products, and supports customized production of various non-standard products. Stainless steel products are mainly used in fields such as medicine and universities.

<span style="font-family: " pingfang="" sc",="" "microsoft="" yahei",="" "segoe="" ui",="" "lucida="" grande",="" helvetica,="" arial,="" freesans,="" arimo,="" "droid="" sans",="" "wenquanyi="" micro="" hei",="" "hiragino="" sans="" gb",="" gb="" w3",="" fontawesome,="" sans-serif;"="">Our company also can export kinds of stainless steel products, electronic components, wires and cables, automotive and motorcycle accessories, packaging materials, glass products, pipe fittings, lighting appliances; Sales of hardware and electrical products, textile fabrics, bicycle accessories, cosmetics, electromechanical products, ceramic products, and metal materials, as well as import and export of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited by the state for company operation or import and export)***