Two-Way Radios
Lights & Siren Controllers
911 Dispatch Center Equip.
Home Two-Way Radios EF Johnson Portable 51SL ES P25

51SL ES Series Portable Radio

ef johnson 51sl esThe 51SL ES Portable Radio from EF Johnson Technologies provides a seamless evolution to next generation networks while offering investment protection for your present communications system, all in a powerful software-controlled device for first responders that is easy on your budget. The 51SL ES Series is packed with features normally found in radios costing thousands of dollars more. Specifically designed for public safety, the ES Series offers crisp and powerful digital audio with the Enhanced Full-Rate Digital Vocoder (AMBE+2), Project 25 trunked and conventional operation, TDMA upgradable, and a sleek ergonomic design. Keep your fleet safe for the future – make the 51SL ES Series Portable Radio your right choice.   WISCOM capable.


Future Proof: The 51SL ES protects your investment with a TDMA upgrade solution.

Project 25 Compliance: P25 Common Air Interface (CAI), P25 trunked and conventional communications, P25 Data, and P25 Over-the-Air-Rekeying (OTAR) functionality are all supported.

SMARTNET® II and SmartZone® Trunking Protocols: EFJohnson is the industry's only supplier licensed to support both analog and digital SMARTNET II and SmartZone trunking protocols. ASTRO® trunking is also supported.

Enhanced (AMBE+2) P25 Vocoder makes it the loudest digital radio available on the market today.

Submersibility Option: 1 meter, 30 minutesef johnson 51sl es, Full Mil Spec 810F Compliance

Encryption: Ask about our free Single Key DES-OFB encryption for P25!

Multiple Configurations:

  • Model I (no display or keypad)
  • Model II (display, basic keypad)
  • Model III (display, DTMF keypad with enhanced backlit display and backlit keypad)

Extensive accessory suite including: Lithium Ion battery (lighter and thinner than NiMH batteries, and lasts 12 hours), rapid battery charger (charges a portable radio battery in an hour), a line of Tri-Chemistry chargers (capable of charging NiCad, NiMH and Lithium Ion batteries), speaker microphones, carrying cases, and more.

ef johnson plantnum



| Home | Our Customers | Our Industry | Testimonials | Contact Us | Sitemap | E-mail Us |
Wisconsin's Premier Communications Expert!