Unitron johansson 7473L1, Руководство пользователя

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SMART AMP (REF. 7473L1 – 7473L2 – 7474L1 – 7474L2)
3
1. I
NTRODUCTION
1.1. Product description
• Scans all channels, amplifies the weak signals while keeping the strong channels
• All output channels have an equal and stable output power
• Treats even the most difficult situations with adjacent channels
• Channels with the same frequency can be amplified in and re-located to the LTE
band (switchable)
• Fully automatic channel scan and process function upon double power start-up.
• Fully automatic recognition of the applied country channel plan
• SAW filters for LTE (4G or 5G) protection on all inputs
• Outdoor weatherproof mast-head housing
• DC Power over coax
• All ports ESD protected
1.2. Package contents
• 1 Smart Amp (ref. 7473L1 – 7473L2 – 7474L1 – 7474L2)
• 1 Power Supply 12V (ref. 2437)
• 1 wall clamp
2. T
ECHNICAL
S
PECIFICATIONS
7473L1 7474L1 7473L2 7474L2
Inputs - 3 4 3 4
Outputs - 4G (> CH60) 4G (> CH60) 5G (> CH48) 5G (> CH48)
Frequency range - VHF BIII + UHF
Automatic channel plan selection
LTE band rejection dB >40
Output - 1
Output Power dBµV 85
Frequency Range MHz 174 - 862
LTE band Re-use - L1 = CH61-69 (790MHz-862MHz)
Switch ON-OFF
L2 = CH49-69 (694MHz-862MHz)
Switch ON-OFF
Adjacent channel
isolation
dB >35
Input sensitivity dBµV 40
Operating
temperature
°C -20 to +50
Power Supply - External power supply (ref. 2437 - 2 out)
Power - 12V/300mA (DC over coax) (350mA - 4 in)
Dimensions mm 120 x 115 x 50