Unication G4 Single Band 700-800MHz Voice Pager-Receiver

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Product Code: 60-501950

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Discontinued

Basics

The Unication “G4” receiver: Better digital decode on simulcast systems!

Scanner listeners have long been concerned with what we call “Simulcast Distortion”. When listening to a digital trunked radio system that uses multiple simulcast sites the scanner loses audio. Sometimes it is only an occasional nuisance but sometimes it is worse. There now is a solution if this is a serious issue for you.

The Unication G4 is a 700/800 MHz single band receiver designed specifically for the most popular trunking band used across the USA and Canada.

The Unication G4 and it’s related radios originally were designed as pagers that can be used on digital or analog, trunked or conventional systems. Since many agencies rely on alerting personnel to respond but don’t want to burden them with a large 2-way radio or pay the high cost to do so Unication came up with a device to handle that. In a package roughly the same size as common “fire pagers” like the Minitor series, the Unication allows the same paging methods but on digital or trunked systems. There are other technical reasons why paging is difficult on digital systems.

The scanner community quickly figured out that these could be used to monitor digital trunked systems. The Unication provides several benefits over consumer grade scanners from Uniden and Whistler. First and foremost is the better performance with digital simulcast systems. Scanners have difficulty with these systems due to the arrival at the radio of multiple signals on the same frequency but at ever so slightly different times. This causes reception difficulties commonly referred to as “Simulcast Distortion” or “Bit Error”.

The Unication G4 is built to much higher standards than scanners, similar to those used in two-way digital radios and has proven to be much better at dealing with the simulcast distortion issues. Since it operates much more like a two-way radio there is more involved in programming. Unlike a scanner it is not capable of field programming; it requires a Windows computer to do any programming. One needs to know many of the system parameters of the target system, such as control channels, System ID and Talkgroup ID’s. While much of this is freely available at websites like Radioreference.com, you may need to check with a System Manager for new systems or those systems where this data is not available.

When used as a scanning receiver one programs it for the target talkgroups used on the system, programs in Sites (frequencies) and the other technical parameters needed. In operation the radio works much like regular system radios, it finds the active control channel and locks in, if there is traffic on any of the programmed talkgroups the radio will hear it. Like system radios it will display the radio ID as well as the name programmed in for that channel. When scanning the radio will display the Site ID between radio calls.

Since the Unication G4 does not affiliate with the radio system it does not incur monthly fees from the system owner and does not require a System Key for programming. Since it is a receive-only device it does not activate or use any of the system resources and generally falls under the same rules and laws as a scanner would.

The Unication G4 receiver, when programmed to do so, will listen to up to 128 channels (conventional freqs or trunked talkgroups) on several Sites and Systems. The technical specifications are similar to those of the expensive two-way radios sold by the likes of Motorola and Harris but the price is much closer to what you might pay for a high-end scanner. Like a scanner, the Unication is a passive device so it does not show up on the radio system analytic systems and is not subject to fees from the system owner. It is wonderful for applications where a listen-only device is needed.

The Unication G4 is not just for trunked systems either. It can also be programmed for conventional (non-trunked) P25 or analog channels. It can be programmed with PL, DPL and NAC codes if needed and can also be used with a variety of paging formats, including Two-Tone, 5-Tone and P25.

The Unication line is programmable from a Windows computer; the software works in Windows 7, 8 and 10. The Unication comes with the USB Programming cable and the software is free, available from Unication’s website. These radios are more difficult to program than consumer scanners and you need the technical parameters for the trunking system. Most of this information is available from RadioReference.com, but you may need to obtain specific parameters from the system’s manager, especially if you plan to utilize paging features. These are serious radios, intended and built to stringent standards for durability and use. Properly programmed they will outperform any scanner and many two-way radios.

Industry First G4 Voice Pager
Supports:
-P25 Trunking
-P25 Conventional
-Conventional

Available in 700-800Mhz

Features:

Up to 128 Channels
IP67 RATING Waterproof & Dustproof
Submersible up to 3ft for 30 Minutes
High Impact Resistant Color Screen
Rugged Housing
2 Year Standard Warranty / 3 Year Additional Available
Custom WAV File Alerts
Out of Range Alert
Text Messaging/Image Transfer
Bluetooth
32 Minutes Voice Storage
32 Minutes Voice Memo

Key Features G4 Model includes:

Accommodates Multiple P25 Trunked and P25 Conventional Systems
Supports the 800MHz Analog Frequencies
Supports Full Spectrum Scan for P25 Trunked System
Supports Multiple TGIDs for Monitoring and Alerting
Supports Priority TGID Scan
Supports Multiselect for Efficient Use of Traffic Channels
Supports 2-Tone on 800MHz Analog Frequencies
Allows for Customized Alerts using WAV/MP3 Files

Technical Specifications:
Sensitivity: -116dBm
Sensitivity/12dB SINAD: 6 uV/M
Frequency Stability: +1ppm
Adjacent Channel Selectivity: >60dB
Spurious: >70dB
Image Rejection: >70dB
Audio Output Linear: >300mW
Audio Distortion: <2%
Speech SPL (at 12 inches): 96dB +3dB/-2dB
Alert SPL (at 12 inches): 96dB +3dB/-2dB
Ingress Protection Rating: IP67-Waterproof/Dustproof
UL: Class I, Div. II
FCC: FCC Part 15
MIL-STD: 810E, Proc1 for Driving Rain
Channel Spacing: 25kHz/12.5KHz/6.25KHz
Battery: Lithium Polymer
Weight (w/ out Battery): <220g
Size (mm): 102x61x31.5
Temperature Range: -20C~+40C

G4 User Manual

G4/G5 Presentation

G4/G5 Quick Guide User Manual

G4/G5 FAQ

G4 Brochure

G4 White Papers Programming Tutorial 2016

Average Customer Review: Average Customer Review: 4.5 of 5

4.5 of 5 Total Reviews: 5 Write a review.

0 of 0 people found the following review helpful:

unication g4	January 16, 2018
Reviewer: michael aebersold from louisville, KY United States

great receiver the best everything comes in loud and clear

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1 of 1 people found the following review helpful:

Programming	December 31, 2017
Reviewer: Robert Nichelini from Oakland, CA United States

The G4/G5 radios have worked so well for me I purchased three units (much better than Home Patrol). I was particularly pleased with Duane who did the programming. He called me to discuss programming options and ensure that the radio would operate to my complete satisfaction. He also made himself available to answer questions after the programming was completed and I had received and tested the unit.

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2 of 2 people found the following review helpful:

Perfect P25 Simulcast FUN	September 1, 2017
Reviewer: thanksunication from Chicago-land

The below complaints aren't "reviews" just gripes about a failed set-up attempt and that a certain city has phase II. That says nothing about the quality of the product compared to other "scanners" Sadly, the Unication phase 2 upgrade is delayed to maybe 2018 now. To avoid "out of range" problems There are 3-4 things needed to set the SITE/SYSTEM up right from Radio Reference website database. You also need to keep up on any SYSTEM or SITE changes. Once done? reception is rock solid. I went through 6 different counties with 7 different P25 SITES of the same system and NEVER lost the signal using the stubby antenna, pager just sitting IN the drink holder. No outside antenna even needed. Updates and upgrades may be slow with Unication, but the product is WAY superior to common "scanners" on the market now when it comes to P25 Simulcast. Worth every dollar and more when P25 Phase II finally does get added.

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2 of 2 people found the following review helpful:

Unication G4 Pager-Receiver	July 30, 2017
Reviewer: William Johnson from Gahanna, OH United States

As a casual but long time scanner listener, I was disappointed when my county (Franklin, Ohio) switched to the P25 "simulcast" system. My GRE500 and GRE600 scanners could not receive a "clear" signal from any talk group, including my local police (Gahanna, Ohio), or traffic was missed completely. Following suggestions to "degrade" the scanners' antennas made no difference.

I learned of the Unication pager-receivers from a Scannermaster newsletter and the description of these units sounded like the solution to my problem. After some "internet investigation", I decided to purchase the G4 model.

After about a month of use, the unit has indeed solved my problem of erratic reception. All programmed talk groups sound crisp and clear. No traffic is missed, so far as I can tell. The solid "commercial" design and small size make it a pleasure to handle.

Everything considered, my opinion is that the unit is well worth the cost.

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0 of 1 people found the following review helpful:

P-25 Phase 2	June 15, 2017
Reviewer: Mark Gould from Philadelphia, PA United States

I would be very interested in purchasing this receiver but I noticed it don't receive P-25 Phase 2 which most police are using. Philadelphia PD, Bucks Co. PD, in PA. and Camden Co. NJ. are all TDMA Digital (P-25 Phase-2)

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