Mo-1 Outdoor Omnidirectional Microphone


  • Line-level audio output
  • Omnidirectional sound pickup within a 5m (16 ft) radius
  • Can be located up to 300m (1000ft) away from the camera
  • Durable IP66 waterproof/dustproof metal housing
  • Built-in Ambient Noise Cancellation (ANC)
  • Wall- or ceiling- mountable


Mo-1 Quick Guide 


i3's Mo-1 outdoor omnidirectional microphone features an attractive and durable metal housing that is dust- and waterproof. With a 5 meter (16 ft) sound pickup radius and built-in Ambient Noise Cancellation, Mo-1 microphone delivers exceptional quality sound.

When used together with i3's Annexxus 65RM/75RM camera, Mo-1 microphone can be used for two-way audio communication between the camera site and Server or Client site.

This microphone can be discreetly wall- or ceiling-mounted indoors or outdoors, up to 300 m (1000ft) away from the Annexxus camera, for a wide range of applications, including schools, gas stations, transit, and retail.


Sound pickup distance 5m (16 ft) radius
Transmission distance 300 m (1000 ft)
Sensitivity -32 dBV/Pa
Directionality Omnidirectional
Signal-to-Noise Ratio (SNR) 75 dB (1M 40dB SPL sound source)
30 dB (10M 40dB SPL sound source)
1 KHz at 1 Pa
Frequency response 100 Hz ~ 16 KHz
Audio output Line Level (0 dBV, 600Ω @1KHz)
Power consumption 12V DC, 60 mA
Ambient noise cancellation Auto
Environmental Conditions
Operational temperature -40℃ to 60℃ (-40℉ to 140℉)
Environmental noise 120 dB SPL maximum
Dimensions ∅ 80mm x 20mm (3⅛ in x 0.79 in)
Weight 185 g (6.5 oz)
Housing Metal alloy
Waterproof rating IP66
Certifications FCC/CE
Limited Warranty 5 years parts and labour