> AMPLIFIERS > Bypass Amplifiers

Bypass Amplifiers

PCT bypass drop amplifiers support critical applications that require high reliability and uninterrupted service. In the event of a power failure, the amplifier provides a bypass path, creating a seamless connection to the cable modem/cable telephony device. This ensures the critical emergency telephone service is available, even if power is lost.

PCT bypass amplifiers are installed in applications with MTAs (Multimedia Terminal Adapters) and ensure signal continuity even if power is lost. During an outage, the phone / MTA connection is preserved allowing phone calls to emergency services and others to be made. (read more...)

Sort By:
Page of 1
RF amplifier unity gain CATV amp 9-port PCTVANS9UN RF Bypass Amplifier
Uninterrupted Service
UNITY GAIN Drop Amp
with Modem Port
PCT-VA-NS-9UN

• 9 port (8 + 1) bypass amplifier with modem port
• Unity (0 dB) gain forward and return on main output ports, -5 dB loss on modem port
• Noninterruptible
• SMPS512UTRH Power adapter included
• Option: Power inserter, order separately

Our Price: $65.99
RF amplifier unity gain CATV amp PCTVANS5UN RF Bypass Amplifier
Uninterrupted Service
UNITY GAIN Drop Amp
with Modem Port
PCT-VA-NS-5UN

• 5 port (4 + 1) bypass amplifier with modem port
• Unity (0 dB) gain forward and return on main output ports, -5 dB loss on modem port
• Noninterruptible
• SMPS512UTRH Power adapter included
• Option: Power inserter, order separately

Our Price: $59.99
RF amplifier unity gain CATV amp PCTVC5UN1 RF Bypass Amplifier
UNITY GAIN Drop Amp
PCT-VC-5UN1

• 5 port (4 + 1) bypass amplifier with modem port
• Unity (0 dB) gain forward and return on main output ports, -5 dB loss on modem port
• Noninterruptible
• SMPS512UTRH Power adapter included
• Option: Power inserter, order separately

Our Price: $58.99
Spring Sale: $50.14
Savings: $8.85
Drop amplifier power supply kit, PCT-MA-A Power Supply Kit For
Passive Return Amplifiers
PCT-MA-A

• For passive return drop amplifiers only
• Range input: 120 VAC
• UL listed
• Kit includes a power adapter and a power inserter

Our Price: $19.99
switch mode power supply, SMPS512UTRH Switch Mode Power Supply
Wall Mount, Level VI
SMPS512UTRH

• Wide range input: 90 to 264 VAC
• Level VI efficiency rating
• Low power dissipation and low heating
• UL listed

Our Price: $18.99

(2)
Port terminator PCT59FT - Bag of 10 Port Terminator
PCT-59FT - Bag of 10

• Protects unused ports
• Port terminator
• Bag of 10 ea.

Our Price: $5.99

(6)
Power inserter for RF amplifier PCT-MPI-12 RF Amplifier
Power Inserter
High Isolation
PCT-MPI-12

• RF amplifier power inserter
• High Isolation 80 dB
• Use for mounting drop amp away from the power outlet

Our Price: $5.99
Spring Sale: $5.09
Savings: $0.90
Power inserter for RF amplifier PCT-MPI-1G RF Amplifier
Power Inserter
PCT-MPI-1G

• RF amplifier power inserter
• Use for mounting drop amp away from the
power outlet

Our Price: $3.99
Spring Sale: $3.39
Savings: $0.60

(10)
   
 
... More about Professional Grade Bypass Amplifiers

In cable telephony installations, it is necessary to ensure that, even if power is lost, the Multimedia Terminal Adapter (MTA), which is the interface between the telephones in the home and the cable operator’s network, can still send and receive signals so emergency telephone calls can still be made. PCT Bypass RF amplifiers are specifically engineered for use in cable telecommunications networks providing cable telephone services. They will have a port that is specifically marked as the “bypass port”, frequently by saying “To eMTA” or "Modem" on the label. Although it can be used to provide signals to a TV set, this port is specifically designed for the cable modem or the MTA (Multimedia Terminal Adapter – the device cable operators use to provide cable telephony service) as it always has signal, even when the power is lost.


There are two basic types of bypass amplifiers: active bypass and passive bypass. The PCTVB series bypass amplifiers are considered active bypass amplifiers. There are two relays that will route the signal around the amplifier if power is lost. When the unit is powered, the TV signals go directly into the amplifier in the normal fashion, and the MTA or cable modem is connected to the designated bypass port. If power is lost, the relays transfer the signals over to the bypass path, which goes around the amplifier and directly to the designated bypass port. This ensures that emergency telephone calls can be made even when power is lost.

The PCTVC series bypass amplifiers are considered passive bypass amplifiers. There is an internal two-way splitter directly on the input port of the amplifier housing. One output of this splitter goes directly to the bypass port, and the second output of the two-way splitter provides the input to the actual amplifier. This ensures that emergency telephone calls can be made even when power is lost.

All PCT Bypass RF amplifiers are professional grade and meet stringent US and international standards, including those developed by the Society of Cable Telecommunications Engineers (SCTE), who creates international standards for many TV signal distribution products.