Model Number / Description
MS-1400 Keri-Key 2 Channel Receiver MS Output
TM-20X Keri-Key 2 Button Transmitter
TM-20XMS Keri-Key 2 Button Transmitter w/ MS Insert
TM-20XNT Keri-Key 2 Button Transmitter w/ NXT Insert
TM-20XFW Keri-Key 2 Button Transmitter w/ Farpointe Insert
TM-40X Keri-Key 4 Button Transmitter
TM-40XMS Keri-Key 4 Button Transmitter w/ MS Insert
TM-40XNT Keri-Key 4 Button Transmitter w/ NXT Insert
TM-40XFW Keri-Key 4 Button Transmitter w/ Farpointe Insert

Keri TM Transmitter

Keri’s line of RF Receivers and Transmitters, the MS-1400 and TM-20X & TM-40X offer access and security in a small, sleek, cost-effective package. Typically attached using a key ring, the transmitters provide a convenient way to grant access to gates and parking barriers while staying safe and dry in a vehicle.

The most popular application is for gated residential communities, where residents and employees can use the transmitter buttons to access gates as they approach, or to provide convenient access for the disabled. The two-channel output provides the ability to control two gates from a single receiver.

  • Adjustable read range up to 300 ft (90 m)
  • Available in 2 and 4 button models
  • Optional proximity insert provides additional functionality in a single tag/transmitter
  • Ideal for gated communities, private residences, and parking garages
  • Revolutionary anti-cloning scheme provides unmatched security

An optional proximity insert provides additional convenience, allowing users to access other secure parts of a facility using proximity readers tied to the same access control system as the gates.
Proximity inserts are available in Keri MS, Keri NXT, or Farpointe Wiegand. The NEMA 4 rated enclosure, noise reduction circuitry, adjustable read range, and the ability to remotely mount an antenna virtually guarantee a quick and painless installation. The system is FCC Part 15 and CE approved.

Find a local Access Control and Security Expert

Use our interactive map to find a local Keri sales representative

Keri Extensive Warranties

Reliability Assured

We stand by our engineering and craftsmanship and are so confident of reliability that we back our products with extensive industry-leading warranties.

Grow Your Business with a Custom Keri Solution

Win new business and grow your security company. We're by your side from initial bid to final inspection.

Tell us your security project specifications

We begin the process with a 15-30 minute phone call to determine if we have a solution that can meet the needs of your job.

Together, we design an affordable solution

Our expert support team will help you design a security solution that meets your client’s needs and your financial requirements.

We partner with you to win new business

We know that once a plan is designed, there is still a competitive bidding process. We help you convince stakeholders and win new business.

Expert customer support  available

Once you’ve closed the sale and are on-site installing our equipment, our expert support team is available in the event that you need assistance.

Talk to us

Fill out the form below and an expert will reach out to give you more details on how to win new business with Keri.