E-Collar Technologies

How to Replace the Handheld Transmitter on Your E-Collar System

How to Replace the Handheld Transmitter on Your E-Collar System

By E-Collar Technologies | Published: 2026-09-05

Category: How-to Guides

Learn how to replace or upgrade your e-collar transmitter with our step-by-step guide, including compatibility tips and common mistakes to avoid.

Quick Answer

To replace your e-collar transmitter, first identify your receiver model and frequency, then purchase a compatible replacement transmitter. Program it by following the manufacturer's instructions, and test it with your receiver before use.

Losing or breaking your e-collar transmitter doesn't mean you need a whole new system. In most cases, you can simply buy a replacement handheld transmitter and pair it with your existing receiver. This guide walks you through the process, from choosing the right part to programming and testing it.

Whether you're replacing a lost remote or adding a second one for a partner, understanding compatibility and the steps involved will save you time and money. Let's get started.

Identify Your Receiver Model and Frequency

Before you buy a replacement transmitter, you need to know your receiver's model and frequency. The receiver is the part that goes on your dog's collar. Look for a model number on the receiver or its packaging. Common receiver models include RX-090, RX-050, RX-070, RX-120, RX-150, and RX1000.

The transmitter and receiver must operate on the same frequency. Most e-collars use a specific frequency, and using a mismatched transmitter will not work. If you are unsure, contact the manufacturer or check the product documentation. This step prevents wasting money on a transmitter that won't pair with your system.

  • Check the receiver's model number, usually printed on the device or under the contact points.
  • If you have multiple dogs, ensure each receiver is on the same frequency if you want to control them with one transmitter.

Choose the Correct Replacement Transmitter

Once you know your receiver model, you can select a compatible transmitter. For example, the ET 300/302 2T Transmitters are designed for systems that use the ET-300 or ET-302 receivers. The EZ 903/904 2T Transmitters work with EZ-903 and EZ-904 receivers. Always verify compatibility with your specific receiver model before purchasing.

EZ 903/904 2T Transmitters
EZ 903/904 2T Transmitters

If you want to add a second transmitter to your system, a 2T transmitter allows you to have two remotes on the same frequency. This is useful for large properties where you might keep one remote in an outbuilding and another in the house, or for sharing with a partner. It also serves as a backup in case one is misplaced.

  • Check the product description to confirm which receiver models are compatible.
  • Consider buying a 2T transmitter if you want a spare or a second remote for a family member.

Program the New Transmitter

After you receive your new transmitter, you'll need to program it to communicate with your receiver. The programming process varies by model, but generally involves entering a pairing mode on the receiver and then sending a signal from the transmitter. Consult the user manual for your specific model for exact steps.

A common mistake is not following the correct sequence or timing during programming. Ensure the receiver is fully charged and within range. If the first attempt fails, wait a few seconds and try again. Once paired, the transmitter should control the receiver's stimulation, vibration, or tone functions.

  • Always read the manual that comes with your replacement transmitter.
  • If programming fails, check that the receiver is in pairing mode and the transmitter is sending the correct signal.

Test the New Transmitter

Before using the transmitter on your dog, test it with the receiver. Turn on the receiver and use the transmitter to trigger each function: tone, vibration, and stimulation. Ensure the receiver responds correctly and at the expected intensity.

Also, check the range by walking away from the receiver while pressing a button. If the signal drops sooner than expected, you may have interference or a low battery. Testing ensures your equipment works reliably when you need it.

  • Test all functions, including the boost button if your model has one.
  • Make sure the receiver is properly charged before testing.

Step-by-Step Replacement Process

  1. Identify your receiver model: Locate the model number on your receiver or its documentation. This is crucial for finding a compatible transmitter. Checkpoint: Write down the model number before shopping.
  2. Purchase a compatible transmitter: Order a replacement transmitter that matches your receiver model. Consider a 2T transmitter if you want a spare or a second remote. Checkpoint: Verify compatibility in the product description before buying.
  3. Program the transmitter: Follow the manufacturer's instructions to pair the new transmitter with your receiver. This usually involves entering a pairing mode and sending a signal. Common mistake: Skipping the manual and guessing the sequence can cause pairing failures.
  4. Test all functions: After programming, test tone, vibration, and stimulation on the receiver. Also check the range to ensure reliable performance. Checkpoint: If any function doesn't work, redo the programming or check battery levels.

Product Facts

  • ET 300/302 2T Transmitters: Looking to turn your existing system into a 2T system (two remotes on the same frequency) or need to replace a lost remote? Instead of replacing the entire system, just program it with a new replacement part. 2T Systems are great for large properties where one remote might be kept in an out-building while the other remains in the house, one for yourself, one for your partner, or extra in case of misplaced. This transmitter lets you add a second remote or replace a lost one without buying a whole new system, saving money and giving you flexibility.
  • EZ 903/904 2T Transmitters: RX-090 Small Receiver$105.00–$115.00Price range: $105.00 through $115.00Select options This product has multiple variants. The options may be chosen on the product page If you have an EZ-903 or EZ-904 system, this 2T transmitter is the compatible replacement option, and it also allows you to add a second remote for convenience.

Replacing your e-collar transmitter is a straightforward process if you follow the right steps. Start by identifying your receiver model, choose a compatible replacement, program it correctly, and test thoroughly. With the right approach, you'll have a fully functional system without the cost of a new setup.

Shop Related Products

Small Dog Contact Point Adapter

Small Dog Contact Point Adapter

$8.40 $16.80

Shop Now
Replacement Bungee Ring for 3/4″ and 1″ Collar Bungee Straps

Replacement Bungee Ring for 3/4″ and 1″ Collar Bungee Straps

$2.50 $5.00

Shop Now
European Charger for 300/400 Series

European Charger for 300/400 Series

$7.35 $14.70

Shop Now
Conductive Silicone Contact Point Cover 5/8″

Conductive Silicone Contact Point Cover 5/8″

$1.48 $2.95

Shop Now