• Four reader inputs
• Eight relay outputs
• Eight programmable inputs
Main Features
• Four reader inputs
• Eight relay outputs
• Eight programmable inputs
• Pre-assembled to fully power a 3- or 4-door system
• Scan-to-add card format and serial detection
• Control doors and manage users from the Alarm.com app
• User-friendly, flexible scheduling
• Configure hardware using web or app for easy installation
• Plug & play installation — no networking expertise required

• Two reader inputs
• Four relay outputs
• Four programmable inputs
Main Features
• Two reader inputs
• Four relay outputs
• Four programmable inputs
• Pre-assembled to fully power a 1- or 2-door system
• Scan-to-add card format and serial detection
• Control doors and manage users from the Alarm.com app
• User-friendly, flexible scheduling
• Configure hardware using web or app for easy installation
• Plug & play installation — no networking expertise required

• Technology: MIFARE DESFire EV2, Proximity
• Security level: EAL 5+
• Memory size: 4 Kbytes
• Frequency: 125KHz, 13.56 MHz
• Read ranges: Up to 3"
• Temperature: -50°F – +160°F
• Material: PVC + PET
• Dimensions: 3.37 x 2.13 x 0.03"
• Country of origin: USA

In the box:

25 ADC-AC-CARD-50D4 Access Cards

• RF Technologies: 125 KHz, 13.56 MHz, NFC, Bluetooth Low Energy
• Reads: MIFARE DESfire EV1 & EV2, LEAF, FSK, and ASK proximity
• Input power: 5-16 VDC, 169 mA max
• Output: OSDP, Wiegand, accelerometer-based tamper detection
• Read ranges: EV1: 1.5", EV2: 2.5", 125 KHz up to 4"
• Temperature: -31°F – +151°F
• Operating humidity: 5 – 95% (non-condensing) RH
• Dimensions: 5.1 x 3.3 x 0.7"
• Weight: 10 oz
• Country of origin: USA
• Certifications: FCC, IC, CE, UL 294, EN 302291, EN 301489, EN 300330, EN 50130-4, IP55, BIS IS 13252

In the box:

ADC-AC-ET20 reader, installation guide, backplate, wall plate, #6 screws (x2), #4 screws (x4), #4-40 screw (x1), #4-40 pin-in-Torx T8 screw (x1)

• RF Technologies: 125 KHz, 13.56 MHz, NFC, Bluetooth Low Energy
• Reads: MIFARE DESfire EV1 & EV2, LEAF, FSK, and ASK proximity
• Input power: 5-16 VDC, 144 mA max
• Output: OSDP, Wiegand, accelerometer-based tamper detection
• Read ranges: EV1: 1.5", EV2: 2.5", 125 KHz up to 4"
• Temperature: -31°F – +151°F
• Operating humidity: 5 – 95% (non-condensing) RH
• Dimensions: 5.1 x 3.3 x 0.7"
• Weight: 11.3 oz
• Country of origin: USA
• Certifications: FCC, IC, CE, UL 294, EN 302291, EN 301489, EN 300330, EN 50130-4, IP55, BIS IS 13252

• RF Technologies: 125 KHz, 13.56 MHz, NFC, Bluetooth Low Energy
• Reads: MIFARE DESfire EV1 & EV2, LEAF, FSK, and ASK proximity
• Input power: 5-16 VDC, 144 mA max
• Output: OSDP, Wiegand, accelerometer-based tamper detection
• Read ranges: EV1: 1.2", EV2: 2.2", 125 KHz up to 4"
• Temperature: -31°F – +151°F
• Operating humidity: 5 – 95% (non-condensing) RH
• Dimensions: 5.1 x 1.7 x 0.7"
• Weight: 7 oz
• Country of origin: USA
• Certifications: FCC, IC, CE, UL 294, EN 302291, EN 301489, EN 300330, EN 50130-4, IP55, BIS IS 13252