Keri Systems TM-20XNT Keri Key 2 Button Transmitter with NXT Insert
- 2-button model
- Uses CR2032 coin battery
- NXT Insert
- Extended range with optional, external antenna

Keri’s line of RF Transmitter, the TM-20XNT, offers access and security in a sleek, cost-effective package. Typically attached using a key ring, this transmitter provides a convenient way to grant access to gates and parking barriers while keeping you safe and dry in your vehicle. Its most popular application is for gated residential communities, allowing residents and employees to easily access gates or provide convenient access for the disabled. With an optional proximity insert, users can access other secure parts of a facility tied to the same access control system. The Nema 4 rated enclosure, noise reduction circuitry, adjustable read range, and the ability to remotely mount an antenna ensure easy installation. The system is FCC Part 15 and CE approved.
Keri Systems TM-20XNT Key Features
- 2-Button Model: Offers easy control for gate access, making it user-friendly for all residents.
- CR2032 Coin Battery: Provides a long-lasting power source, ensuring reliability and low maintenance.
- NXT Insert: Enhances versatility by allowing access to additional secure areas with proximity readers.
- Extended Range: Optional external antenna improves signal strength and reception for seamless access.
Keri Systems TM-20XNT Detailed Specifications
| Model | TM-20XNT |
| Type | RF Transmitter |
| Battery | CR2032 Coin Battery |
| Button Count | 2 |
| Nema Rating | Nema 4 |
| Compliance | FCC Part 15, CE |
| Range | Adjustable, extended with optional antenna |
| Insert Type | NXT Insert |



