Gold Member Since 2009
Audited Supplier
Chinasky Electronics Co., Limited

Video Balun, Balun, CCTV Balun manufacturer / supplier in China, offering 1 Channel Cat5 Active CCTV UTP Video Balun (VB350R), Passive HD-Cvi/Tvi/Ahd Video Balun with "Press-Fit" Terminal Block (VB109EH), 1CH Active BNC Video Transmitter for CCTV Camera (VB300T) and so on.

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Supplier Homepage Product CCTV UTP Video Balun Active Video Balun 1 Channel Cat5 Active CCTV UTP Video Balun (VB350R)

1 Channel Cat5 Active CCTV UTP Video Balun (VB350R)

Purchase Qty.:
(Pieces)
10-99 100+
FOB Unit Price: US $7.5 US $7
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $7.5
100+ US $7
Get Latest Price
Port: Shanghai, China
Production Capacity: 100000 PCS Per Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram, Cash

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Basic Info
  • Model NO.: VB350R
  • Attenuation: 0.5db Typ
  • Cmrr: 60 Db
  • Trademark: Chinasky
  • Specification: CE, RoHS
  • HS Code: 851762
  • Video Format: NTSC, PAL, and Secam
  • Frequency Response: DC to 8MHz
  • Transmission: Video, Long Distance
  • Transport Package: Gift Box
  • Origin: China
Product Description
1 Channel Cat5 Active CCTV UTP Video Balun (VB350R)
 
Description:
The VB350R 1ch active UTP video receiver receives balanced signal to converts it into unbalanced signal and raises the received signal with perfect receiving effect, which can be applied in the occasions such as video monitoring and video meeting. It an simplify the wiring project and save wire use quantity.
 
Features:
1.      Adopt differential signal transmission with excellent anti-jamming ability
2.      Save project wire expenses, each a pair of twisted pair wire transmits one channel of video signal and one common Cat-5 unshielded twisted pair wire can simultaneously transmit four channels of video signal
3.      The farthest transmission distance will be 1500m if it is used with passive transceiver and the farthest transmission distance can reach 2400m if it is used with active transmitter
4.      Outstanding interference rejection, transient protection
5.      ABS plastic case
 
Technical specifications:
1 Channel Cat5 Active UTP CCTV Video Balun Receiver (VB350R)
Video FormatNTSC, PAL, and SECAM 
Frequency ResponseDC to 8MHz
Attenuation0.5dB typ
CMRR60 dB 
ImpedanceCoax, Male BNC75 ohms 
Terminal Block100 ohms
Working environmentWorking Temperature-10ºC to +50ºC
 Storage Temperature-30ºC to +70ºC
Humidity 0 to 95%
Wire TypeUTP5
ConnectorFemale BNC and Terminal Block
Power12VDC
CaseABS Plastic
Dimension78mm*38mm*36mm
Weight 40g/pc
Type of the required wire:
Unshielded Cat-5 or above twisted pair wire (Please use standard Cat-5 or above twisted pair wire. The wire quality will directly affect the transmitted image effect and transmission distance.)
Characteristic impedance: 100Ω±20Ω
DC loop resistance: 18Ω/100m
Differential capacitance: 62pf/m (Maximum)
 
Connection method:
Connect the two-color wires of a pair of Cat-5 unshielded twisted pair wire to the '+' terminal of the green socket and connect the single-color wires to the '-' terminal. Connect the BNC interface of the receiver to the monitor or other recording equipments. If there is any joint in the circuit, please adopt welding method or special junction box to ensure perfect contact at the joint. Adjusting method:
Adjust "BRIGHTNESS" knob to adjust the image brightness, then adjust "SHARPNESS" dial switch to compensate the image sharpness and color. The compensation size in turn is 1 as minimum and 4 as maximum. Pressing dial switch shows the compensation of this position is turned on. Next or multiple switches can be pressed according to the requirements. The four dial switches can compose 16 compensation values (as shown in the following figure) to meet the requirements of different transmission distances.

Frequently Asked Questions
Why does my video look like a scrambled Cable TV signal?
This typically indicates reversed polarity.
Can shielded twisted pair be used?
Some customers have successfully used shielded wire up to a few hundred feet. However we does not recommend it. Its high-frequency roll-off will severely degrade the distance performance.
Can Category 6 wire be used?
Yes. Unshielded Twisted Pair wire, Category 5 or better, can be used with UTP video transceiver.
Can I transmit more than one video signal in a multi-pair wire bundle?
Yes. One of the benefits of using UTP video transceivers is interference rejection. UTP video signals can reside in the same wire bundle as multiple video signals, ringing telephones, Ethernet, low voltage power, RS-422, RS-485, etc.
 
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