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Extra PetSafe dog fence transmitter

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  • Extra PetSafe dog fence transmitter
PetSafe Wireless Expansion Transmitter

Model: IF-100

Availability : In stock


No Hassle 30-Day Returns
Upgraded Warranty

Regular Price: $199.99

Our Price: $179.95

Regular Price: $199.99

Our Price: $179.95

Add an extra transmitter to your current PetSafe Wireless Dog Fence System to expand your dog's roaming area up to 1/2 an acre.

Each transmitter creates a circle of up to 180 ft. across. The exact size of the circle can be adjusted on the unit. By overlapping up to four Wireless Dog Fence Transmitters, you can acheive four times the play space for your dog. Set up each transmitter in a place that allows the signal circle to overlap with the other signal circles for a maximum coverage space of roughly 2.5 acres. 

PetSafe Wireless Dog Fence System is easy to use and requires virtually no installation - no need to dig, splice, or bury wires! Just plug it in and start training your dog. The PetSafe Wireless Dog Fence System is perfect for those people renting a property or those who travel with their dogs. 

You can expand your dogs roaming area up to an additional half of an acre with this add-on PetSafe Wireless Transmitter. Using this extra transmitter to create a second, overlapping signal field will give your dog a considerable amount of extra play area. Each transmitter emits a spherical signal field of up to a 90 ft. radius. You can use up to four of these units simultaneously to create up to 2.5 acres of roaming area for your Fido.


  • Each Unit Covers Up To 1/2 An Acre Circular Space
  • Includes One A/C Adapter
  • UL Listed
  • Limited Lifetime Warranty

  • Free Shipping
  1. Effortless installation Review by Jonathan R.

    I was surprised how simple this was to add into our system. Great product. Petsafe has their products working seamlessly. (Posted on 4/30/2013)

  2. Great addition Review by Mike P

    Simple to install and gave Maxine the extra space she needed to run around our 1.5 acres. Worked perfectly with the existing transmitters. (Posted on 4/5/2013)

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Comment / Questions about PetSafe Wireless Expansion Transmitter

September 22, 2015

Hi Johnny,

I need to know how small my containment center can be. How many feet does it cover if it is on the lowest setting?


Hello Sandy,

The PetSafe wireless transmitter (gray transmitter) is equipped to cover any area from 5' to 90' radius (out in every direction).
The PetSafe Stay and Play transmitter (black transmitter) is equipped to cover any area from 8.5' to 105' radius (out in every direction).

These transmitters are both compatible with the PetSafe Wireless Fence Collar (model: PIF-275-19), PetSafe Stay and Play Wireless Collar (model: PIF00-14288), and the PetSafe Stay and Play Wireless Stubborn Dog Collar (model: PIF00-13672)

I hope you find this information helpful. Thank you much for shopping with Flexpetz.

Forrest Ballinger
October 13, 2015

My wireless system apparently randomly, briefly shocks my dog while he is in the house. Please advise.


Hello Forrest,
Typically, that kind of behavior (in a wireless containment system), is caused by something large and metallic that is in the containment zone. These culprits are typically:

Metal Roof
Mesh Under Stucco
Metal Shed

Some other things that could affect the correction area and containment zone are:

Heavy foliage your dog can slip behind and get a false correction
A neighbor's similar system (or even if they have a wired system, it could change your boundaries)

Other than that, you should not have too much else to cause those symptoms.

I hope you find this information helpful. If you would like to discuss it further, please give us a call.


Fred Doty
December 11, 2015

WE have 7 mo old dog probley weigh 80 lbs, large rural area want to keep him of our bussy highway! please adviseFred


Hello Fred,
Per our phone conversation you wanted a wireless.
I would recommend this system along with the stubborn dog collar.

Also with this collar:

Enjoy your new product and let us know how you like it!


Julie Angulo
Sales Leader
800-396-5517 FREE Toll Free

We have the FREE Tech support to make this DIY project easy for you.

February 08, 2016

Recently this unit was given to me for my 6 month old puppy as he has left our acreage as few times and we live off a busy road. I have the collar receiver also. Can i use this unit alone or is it only used in addition to the 300 model unit?


This unit can be used as the solitary fence transmitter. It is not strictly an expansion transmitter.

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