RFIO is an optional two way wireless device connected to most of 3JTech's IP cameras. RFSensor is a two way wireless device connected to sensors with dry contact. If the sensor is triggered, it will send the signal to RFIO through RFSensor and therefore trigger the IP cameras. 

Specification of Security Accessories: RF Sensor

• Built-in 3.6V/2100mAH battery
• Trigger input contact for alarm sensor from wired to wireless
• LED status indication
• ON/OFF switch
• Working frequency: 433 Mhz
  (programmable 315Mhz, 868Mhz and 915 Mhz)
• Power consumption:
  TX: 28.8 mA at +10 dBm output power 15.6 mA
• High sensitivity (-110 dBm at 1.2 kbps)

RFIO

• Working frequency: 433 Mhz
  ( programmable 315Mhz, 868Mhz and 915 Mhz)
• Power consumption:
  TX: 28.8 mA at +10 dBm output power 15.6 mA
• High sensitivity (-110 dBm at 1.2 kbps)

*Specifications are subject to change without notice