Which collars are compatible with which systems? - PetSafe

The Dog Guard wireless indoor fence system is completely pet safe for your dog or cat. The system uses Dog Guard's to create a 360°wireless fence up to 8 ft. around the RT-2 Transmitter - that's 16 feet wide! This zone can be used to safely keep your pets safely INSIDE or OUTSIDE of it. The Dog Guard indoor pet fence can be used in countless ways, and is completely pet safe!

Confused about PetSafe receiver collars for PetSafe wireless dog fences

PetSafe Extra Wireless Fence Receiver, PIF 275 19
Description
This extra receiver collar can be used to add another dog or as a replacement collar to the Wireless Fence Containment System (PIF-300). Add an unlimited number of pets to your system. This collar features 5 adjustable levels of static correction. Features Fits neck sizes 6-28 inches 5 adjustable levels of correction Tone-only mode alerts your pet with a beep Waterproof Add an unlimited number................................

Stubborn Dog Stay+Play Wireless Fence® Rechargeable Receiver Collar

Find used Petsafe Wireless Fence for sale on eBay, Craigslist, Amazon and others. The Wireless Fence Transmitter can be used to expand the limits of your existing IF-300. The wireless fence transmitter can be used to expand the limits of your existing IF-300 PetSafe wireless instant fence pet containment system. You can use this additional transmitter to increase the size of your containment area. This creates multiple intersecting circles. The two transmitters would create a boundary in a shape similar to the MasterCard logo. The signal is canceled where the circles intersect, allowing the pet access to the entire area. The transmitters can be located a maximum of 150 ft. apart and each transmitter must be in an enclosed area. This transmitter is compatible only with the PetSafe wireless fence receiver (IF-275).

Customer Care | Product Support | PetSafe Wireless Fences

The Wireless Fence Transmitter can be used to expand the limits of your existing IF-300. The wireless fence transmitter can be used to expand the limits of your existing IF-300 PetSafe wireless instant fence pet containment system. You can use this additional transmitter to increase the size of your containment area. This creates multiple intersecting circles. The two transmitters would create a boundary in a shape similar to the MasterCard logo. The signal is canceled where the circles intersect, allowing the pet access to the entire area. The transmitters can be located a maximum of 150 ft. apart and each transmitter must be in an enclosed area. This transmitter is compatible only with the PetSafe wireless fence receiver (IF-275).

Petsafe Instant Fence - Wireless Dog Fence PIF-300 FREE SHIPPING