AR-721K/AR-721U/AR-661U
Item
AR-721U
AR-721K
AR-661U
RF Frequency
125KHz
125KHz /13.56MHz mifare
Power Requirement
9-16VDC
12~18VDC
Power Consumption
50mA
13.56MHz
350mA
80mA
<1W
Communication Interface
WG 26 / 34, ABA-II, ASYNC
Baud Rate
9600 bps (N, 8, 1)
Environment
-20¢XC to +75¢XC
Proximity Reading Range
3-8cm
10-18cm (125K) / 3-8cm (13.56M)
33-60cm
Indicator
A bi-color LED and a beeper
Three LED and a beeper
Keypad
--
Yes
Waterproof
Optional
Color
Dark Pearl Gray / Silver
Dark Pearl Gray
Dimensions (mm)
81(H)*43(W)*18(D)
111(H)*77(W)*26(D)
228(H)*228(W)*38(D)
Weight (g)
40¡Ó5
90¡Ó10
1,000¡Ó50
Housing Material
ABS