GeoVision GV-Reader 1251 Installation Manual page 4

Specifications
CPU
Wiegand Interface
Power
LED
Beeper
GV-Reader 1251 (V1)
Frequency
GV-Reader 1352 (V2)
RS-485
Color
Operation Temperature
Operating Humidity
Dimensions (W x H x D)
Weight
Ingress Protection
Certification
The number of GV-Readers supported by GV-AS Controllers
GV-AS Controller Model
GV-AS100
GV-AS110 / 120
GV-AS100 / 110 / 120 with GV-ASBox
GV-AS100 / 110 / 120 with GV-ASNet
GV-AS210
GV-AS400 / 410 / 810
8-bit microprocessor
Wiegand 26 - 40 bits, distance 30 m / 100 ft
DC 7.5 ~ 12 V
Red, Green LED
Buzzer
125 KHz (Proximity EM Card)
13.56 MHz for ISO14443A (Mifare Class)
9600 bps
Black
-35 ~ 65°C / -31 ~ 149°F
10 ~ 90% RH (non-condensing)
75 x 115 x 15 mm, with enclosure 35 (D) mm
3 x 4.5 x 0.6 in, with enclosure 1.38 (D) in
150 g / 0.33 lb
IP54
CE, FCC, RoHS
GV-Reader Interface
Wiegand RS-485
1 1
1 Not supported
2 4
Not supported 2
4 8
8 8