4-Wire Intercom XLR Balanced Audio over fiber to 0~10 Kilometers

Features: 

• Designed for 4-wire Intercom,  Extending over Optical Fiber to 0~10 Kilometer.
• Speak and Listen over 2 sperated XLR port,  Balanced Audio to Fiber
• the VOL and MIC controls allow you to manage the local audio interface directly from the device.
• Small size and light weight, easy carry
• Plug and play, with hot-pluggable SFP module

Specs Fiber Optical Wavelength: 1310/1550nm or 1310nm or 850nm Output Power: -10~-3dBm Optical fiber: Single mode Fiber or Multimode Fiber Rx sensitivity: <-18dBm Optical connector: 1 x LC or 2 x LC optional Distance: 0~10KM   (SMF Default) or 500 Meters (MMF)
Audio: Input / Output Impedance: 10K Ohm
Input capacitance LINE inputs: 10 pF
Max input/output voltage: +4 dBu (1.228 Volts)
Frequency Response: 20 Hz～24kHz @±3dB
Sample Rates From: 48kHz
SNR:> 80dB
Connectors(please check the below drawing) Transmitter at Camera Side Interface: 5 pin XLR (Female) Microphone Micinputs:  with mute and pre-amps Headphone: with   volume up or down Receiver at Base Station Interface: 3pin XLR Female (Pin1: GND  Pin 2: IN+  Pin 3: IN-) 3pin XLR Male (Pin1: GND  Pin 2: OUT+  Pin 3: OUT-)
General index Power supply: DC5~12V Power consumption <5 W Enclosure Small Size: 113 x 88 x 39 mm Net weight: 450g /pair (with Power supply Case Material: Aluminum Alloy Work Temp: -20°C to 55°C Storage Temp: -20°C to 70 °C humidity: 0 ~ 95% (non-condensing)
Package Includes: 1) 1 x Transmitter with SFP module at Camera side 2) 1 x Receiver with SFP module at Station side 3) 2 x Power Supply Adapters BY-Intercom-306 (4-wire)
BY-Intercom-306 (4-wire)