Em reader introduction:
O 235em proximity reader utilizes em technology to read contactless em cards
O suitable for access control, time and attendance and other card control systems
O wiegand output model interfaces with all existing wiegand protocol access control systems
Mf reader introduction:
O 235mf smart card reader utilizes mifare technology to read mifare contactless smart cards
O contactless smart cards are used for stored value or data applications such as access control, vending, toll roads, airline ticketing,
O banking cards, city cards, ID cards, university cards, loyalty schemes, phone cards, park and ride, and prepaid metering
Power requirements:
O 235em:9-12vdc at 100ma
O 238mf:7-12vdc at 100ma
O a linear regulator is recommended
Read range:
O 235em: Safety read range for 7cm with standard em h4100 card
O 238mf: Safety read range for 4cm with philips mifare 1 contactless smart card
Frequency:
O 235em:125khz standard
O 238mf:13.56khz standard
Operating temperature: -22 to 150 degrees fahrenheit(-30to 65 degrees celsius)
Operating humidity:0% to 95% relative humidity non-condensing
Audio/visual indication: Green, red, yellow LED bar and buzzer
Response time: Less than 0.1 second
ISO standard:
O 238mf: Iso14443 type a compatible cable distance:
O wiegand interface:500 feet(150m)o rs232 interface:50 feet(15m)o recommended cable is alpha 1295(22awg) 5 conductor minimum stranded with overall shield or equivalent
O additional conductors may be required for LED or beeper control