EF Johnson
EF Johnson 51SL ES 700/800MHz Portable Radio
EF Johnson 51SL ES 700/800MHz Portable Radio
SKU:EFJ-5100 1
Radio Options Installed:
P25 Options:
Digital Conventional
Digital Smartnet/SmartZone
Trunking Options:
Star Roaming (Omnilink)
Smartnet Trunking
Smartzone Trunking
P25 Trunking
Multinet Trunking
SNSZ 800 MHz Rebanding
Encryption Options:
P25 DES OFB
P25 AES OFB
OTAR Options:
Conventional
P25 Trunking
Feature Options:
Full Keypad Support
512 Talkgroups/Channels
Zonefail Site Lock
MDC1200
700 MHz Band
Additional Information:
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.
Advanced Multiple Zone and Channel Select enables you to change the communications protocol from Multi-Net to conventional by pressing a button. Up to 512 channel/talk groups are allowed.
Enhanced (AMBE+2) P25 Vocoder makes it the loudest digital radio available on the market today. Click here and hear the difference!
Backward Compatibility provides the flexibility to communicate in both narrow and wideband analog channels in addition to wideband digital. Forward Compatibility is provided via a scalable design that allows new features and applications to integrate into the existing radio platform.
NOTE: If your order includes programming, please email us a request for our Programming Form after checkout. We will only program up to 16 channels and do not program for trunking systems.
Couldn't load pickup availability
Tax-exempt? Or have additional questions?
CALL US: 720-459-7557 View full details



Rigorous Bench Testing
Every device we sell goes through the hands of our qualified and experienced technicians before shipped to you and your team. That's how we've always done things.

No Hassle Guarantee
Enjoy peace of mind with our 30-day, hassle-free warranty. Should any issues arise, we will promptly address them or provide a replacement radio.