Project 25 Compliance: P25 Common Air Interface (CAI), P25 trunked and conventional communications, 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.

Submersibility Option: 1 meter, 30 minutes

Enables programming for up to 864 talkgroups

Enhanced (AMBE+2) P25 Vocoder makes it the loudest digital radio available on the market today. Click here and hear the difference!

Full Mil Spec 810F Compliance

Encrypted Communications for wideband legacy systems and narrowband operation. DES enables secure voice communications in wideband channels; P25 DES-OFB and AES encryption provide secure communication in narrowband channels.

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.

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)
  • Optional orange and yellow housings available

Click here to download the 51SL ES PDF

The 5100 ES Series Portable Radio won the Hot Product award from APCO's Public Safety Communications magazine!