COMPACT DESIGN The compact design of the GR1225 not only elimi- nates one of the internal mobile radios and the basic repeater controller that modular repeaters require, it cuts the cost to build a repeater by nearly a third. This stylish, compact, desktop unit relies on a single, full duplex transceiver to transmit and receive. GR1225 DETAILS: FEATURES: SPECIFICATIONS: ENHANCED VIEW: ACCESSORIES Radius GR1225. Repeater Transceiver (13.8Vdc): Standby RX@7.5W TX@50/45W. Motorola Gr1225 Repeater Manual Getting the books motorola gr1225 repeater manual now is not type of inspiring means. You could not abandoned going bearing in mind ebook growth or library or borrowing from your friends to entry them. This is an extremely simple means to specifically get guide by on-line. This online pronouncement motorola. Set the repeater on about 10 watts and use them for an exciter and they will last a very long time.(your going to put a pa on them anyway)you can pick just the r1225 (not the power supply are the rack) for around $600.00 to $700.00 and the Kenwood TKR750 is around $1500.00 and it to is not 100% duty cycle (but is a good repeater just a lot more.
- Motorola Radius Gr1225 Repeater Manual
- Motorola Gr1225 Software
- Motorola Gr1225 User Manual
- Motorola Radius Gr1225 Repeater Manual
- Motorola Gr1225 Repeater Manual Motorola
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- Description
- What’s Included
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Motorola GR1225 Features
The GR1225 has the following features:
- 12.5/25 kHz Switchable Channel Spacing – with X-Pand Technology
- Compact Styling – The GR1225 accommodates a built-in power supply as well as numerous internally housed accessories such as a duplexer, battery revert and an enhanced controller.
- Adjustable Power – Each channel can be programmed to either 25 or 45 (UHF) or 25 or 50 (VHF) watts to meet various coverage needs.
- 2-Character Numeric LED Display – Green light illuminates the channel that’s in use.
- Battery Back-Up Tone – When the battery revert kit is installed, it alerts users that they are operating on the back-up battery supply.
- Time-Out Timer – Programmable from 1-255 seconds, this feature prevents a group from monopolizing the repeater with a single transmission.
- Repeater Enable/Disable – Temporarily enables or disables repeater operation from the front panel to allow use as a base station for dispatch operation.
- CWID (Continuous Wave Identification) – Continuous Wave Identification uses Morse code to automatically send out the station ID to identify the transmitting repeater.
- Courtesy Beep – This programmable alert indicates when a person is through talking so that other users are free to respond.
- Programmable Relay Delay – This hangtime keeps the repeater transmitter keyed from 0 to 7 seconds after the radio user releases the Push-to talk switch to enable other users to respond without having to re-activate the repeater.
- AdvantagePort Expandability – Allow an authorized dealer to add an Advantage Board to upgrade the repeater functionality.
Motorola GR1225 Description
You can have X-Pand and all the advantages of a Motorola Repeater with the GR1225. With 16 programmable channels, you can talk on either a 25 or a 12.5 kHz channel allowing a seamless, economical transition to the narrower bandwidth. Two-way users won’t want to be without this greatly expanded audio quality at 12.5 kHz. The GR1225 makes a perfect complement to the 1225 Series Two-Way Radios.
Motorola GR1225 Applications
The GR1225 Repeater can be used for a variety of applications.

Here are a few examples of some key industries:
- Convention Centers
- Delivery & Courier Operations
- Highway or Jobsite Construction
- Hotels and Resorts
- Manufacturing & Industrial Facilities
- Rental Operations
- Rural Police, Fire and Ambulance
- Security
- Transportation services
Motorola GR1225 Models
Factory Assembled Models
- NH5165GR1225 146 – 174 MHz, 1-10 Watt
- NH5158GR1225 146 – 174 MHz, 25 – 50 Watt
- NH5164GR1225 444 – 474 MHz, 1-10 Watt
- NH5157GR1225 444 – 474 MHz, 25 – 45 Watt
Motorola GR1225 Accessories
Duplexer can be internally installed to allow a single antenna to be used instead of two separate antennas to transmit and receive simultaneously.
Desk Microphone converts a desktop repeater into a dispatch
radio for office personnel use.
Motorola Radius Gr1225 Repeater Manual
Portable Carry Case allows easy transport for use as a back-up or
emergency repeater.
Battery Revert Battery Revert Automatic back-up power allows continued use when power goes down. Also includes float maintenance charger to keep battery charged when not in use.
ZR340 Advanced Interconnect Controller provides advanced telephone interconnect capability with stored telephone numbers, access/override codes, dialing restrictions, call timers, direct-air access and Continuous Wave Identification (CWID).
Motorola GR1225 Features
The GR1225 has the following features:
- 12.5/25 kHz Switchable Channel Spacing – with X-Pand Technology
- Compact Styling – The GR1225 accommodates a built-in power supply as well as numerous internally housed accessories such as a duplexer, battery revert and an enhanced controller.
- Adjustable Power – Each channel can be programmed to either 25 or 45 (UHF) or 25 or 50 (VHF) watts to meet various coverage needs.
- 2-Character Numeric LED Display – Green light illuminates the channel that’s in use.
- Battery Back-Up Tone – When the battery revert kit is installed, it alerts users that they are operating on the back-up battery supply.
- Time-Out Timer – Programmable from 1-255 seconds, this feature prevents a group from monopolizing the repeater with a single transmission.
- Repeater Enable/Disable – Temporarily enables or disables repeater operation from the front panel to allow use as a base station for dispatch operation.
- CWID (Continuous Wave Identification) – Continuous Wave Identification uses Morse code to automatically send out the station ID to identify the transmitting repeater.
- Courtesy Beep – This programmable alert indicates when a person is through talking so that other users are free to respond.
- Programmable Relay Delay – This hangtime keeps the repeater transmitter keyed from 0 to 7 seconds after the radio user releases the Push-to talk switch to enable other users to respond without having to re-activate the repeater.
- AdvantagePort Expandability – Allow an authorized dealer to add an Advantage Board to upgrade the repeater functionality.
Motorola GR1225 Description
You can have X-Pand and all the advantages of a Motorola Repeater with the GR1225. With 16 programmable channels, you can talk on either a 25 or a 12.5 kHz channel allowing a seamless, economical transition to the narrower bandwidth. Two-way users won’t want to be without this greatly expanded audio quality at 12.5 kHz. The GR1225 makes a perfect complement to the 1225 Series Two-Way Radios.
Motorola GR1225 Applications
The GR1225 Repeater can be used for a variety of applications.

Here are a few examples of some key industries:
- Convention Centers
- Delivery & Courier Operations
- Highway or Jobsite Construction
- Hotels and Resorts
- Manufacturing & Industrial Facilities
- Rental Operations
- Rural Police, Fire and Ambulance
- Security
- Transportation services
Motorola GR1225 Models
Factory Assembled Models
- NH5165GR1225 146 – 174 MHz, 1-10 Watt
- NH5158GR1225 146 – 174 MHz, 25 – 50 Watt
- NH5164GR1225 444 – 474 MHz, 1-10 Watt
- NH5157GR1225 444 – 474 MHz, 25 – 45 Watt
Motorola GR1225 Accessories
Duplexer can be internally installed to allow a single antenna to be used instead of two separate antennas to transmit and receive simultaneously.
Desk Microphone converts a desktop repeater into a dispatch
radio for office personnel use.
Motorola Gr1225 Software
Portable Carry Case allows easy transport for use as a back-up or
emergency repeater.
Battery Revert Battery Revert Automatic back-up power allows continued use when power goes down. Also includes float maintenance charger to keep battery charged when not in use.
ZR340 Advanced Interconnect Controller provides advanced telephone interconnect capability with stored telephone numbers, access/override codes, dialing restrictions, call timers, direct-air access and Continuous Wave Identification (CWID).
Motorola GR1225 Features
The GR1225 has the following features:
- 12.5/25 kHz Switchable Channel Spacing – with X-Pand Technology
- Compact Styling – The GR1225 accommodates a built-in power supply as well as numerous internally housed accessories such as a duplexer, battery revert and an enhanced controller.
- Adjustable Power – Each channel can be programmed to either 25 or 45 (UHF) or 25 or 50 (VHF) watts to meet various coverage needs.
- 2-Character Numeric LED Display – Green light illuminates the channel that’s in use.
- Battery Back-Up Tone – When the battery revert kit is installed, it alerts users that they are operating on the back-up battery supply.
- Time-Out Timer – Programmable from 1-255 seconds, this feature prevents a group from monopolizing the repeater with a single transmission.
- Repeater Enable/Disable – Temporarily enables or disables repeater operation from the front panel to allow use as a base station for dispatch operation.
- CWID (Continuous Wave Identification) – Continuous Wave Identification uses Morse code to automatically send out the station ID to identify the transmitting repeater.
- Courtesy Beep – This programmable alert indicates when a person is through talking so that other users are free to respond.
- Programmable Relay Delay – This hangtime keeps the repeater transmitter keyed from 0 to 7 seconds after the radio user releases the Push-to talk switch to enable other users to respond without having to re-activate the repeater.
- AdvantagePort Expandability – Allow an authorized dealer to add an Advantage Board to upgrade the repeater functionality.
Motorola GR1225 Description
You can have X-Pand and all the advantages of a Motorola Repeater with the GR1225. With 16 programmable channels, you can talk on either a 25 or a 12.5 kHz channel allowing a seamless, economical transition to the narrower bandwidth. Two-way users won’t want to be without this greatly expanded audio quality at 12.5 kHz. The GR1225 makes a perfect complement to the 1225 Series Two-Way Radios.
Motorola GR1225 Applications
The GR1225 Repeater can be used for a variety of applications.
Here are a few examples of some key industries:
- Convention Centers
- Delivery & Courier Operations
- Highway or Jobsite Construction
- Hotels and Resorts
- Manufacturing & Industrial Facilities
- Rental Operations
- Rural Police, Fire and Ambulance
- Security
- Transportation services
Motorola GR1225 Models
Factory Assembled Models
- NH5165GR1225 146 – 174 MHz, 1-10 Watt
- NH5158GR1225 146 – 174 MHz, 25 – 50 Watt
- NH5164GR1225 444 – 474 MHz, 1-10 Watt
- NH5157GR1225 444 – 474 MHz, 25 – 45 Watt
Motorola GR1225 Accessories
Duplexer can be internally installed to allow a single antenna to be used instead of two separate antennas to transmit and receive simultaneously.
Desk Microphone converts a desktop repeater into a dispatch
Motorola Gr1225 User Manual

radio for office personnel use.
Portable Carry Case allows easy transport for use as a back-up or
emergency repeater.
Motorola Radius Gr1225 Repeater Manual
Battery Revert Battery Revert Automatic back-up power allows continued use when power goes down. Also includes float maintenance charger to keep battery charged when not in use.
Motorola Gr1225 Repeater Manual Motorola
ZR340 Advanced Interconnect Controller provides advanced telephone interconnect capability with stored telephone numbers, access/override codes, dialing restrictions, call timers, direct-air access and Continuous Wave Identification (CWID).