Project 25 Technology Information Group

Tuesday, April 23, 2019

Project 25 Technology Information Group

Project 25 Technology Interest Group (PTIG) Elects a New Board of Directors and Officers.

The Project 25 Technology Interest Group (PTIG) held it’s Annual Meeting in conjunction with the APCO International Conference in Las Vegas on August 5th. At that meeting, a Board of Directors and Officers were elected.

New on the Board are Justin Evans, Radio Systems Manager for Montgomery County Hospital District TX; and Mark Ketchum, the Communications System Manager from the City of Broken Arrow OK. A new Commercial member to the Board is Jeremy Elder of Harris. Jeremy is the Product Line Manager for Systems Infrastructure for Harris Corporation. He possesses a Bachelor of Science in Mathematics with a specialization in Computer Science from Liberty University.

Departing the PTIG Board were Eric Linsley and Todd Perdieu. Thanks and recognition were extended to them for all of their service.

Cindy Cast from Miami Dade County was re-elected as the PTIG Chairman. Cindy serves as the Radio Systems Manager in the Information Technology Service Department, Radio Communication Services Division of Miami-Dade County, She is responsible for the management, maintenance, repair, and uninterrupted operation of the 800 MHz/700 MHz P25 trunked simulcast radio systems. The 800 MHz Radio system has over 30,000 radio users. Ms. Cast holds a Bachelor’s Degree in Management Information Systems (MIS) from Barry University and a Masters Certificate in Project Management from Florida International University (FIU).

The other PTIG Officers were also re-elected for additional terms. Jim Holthaus from BK Technologies remains as Vice Chair, Jim is also deeply involved in the P25 standards process as TIA Private Radio Section and TIA TR8.25 chair. Chris Lougee from 5x9 Communications remains as Treasurer. Chris was formerly a VP at ICOM and the TIA PRS chairman before forming his new consulting group. Most of his current focus is on P25 radio and network testing in his work for Compliance Testing LLC in Arizona. Andy Davis from Motorola Solutions remains as Secretary. Andy is also a leader in the P25 Standards development process as the current TIA TR-8 Chairman.

Cheryl Giggetts of CTA Consultants was ratified as a new Treasurer Elect. In this role she will spend a transition year working with Chris Lougee and is expected to take on the full responsibilities of PTIG Treasurer when Chris steps down In August of 2019.

Other P25 radio Users and practitioners returning to the PTIG Board include: Cindy Cast-Miami Dade County, Del Smith- Alaska ALMR, Christie Bielby-Texas DPS; Brent Finster-City of Stockton CA, Scott Wright-State of Connecticut, Brad Stoddard-State of Michigan; Brandon Diemer-BLM NIFC, Eric Davies- DHS; Karl Larson-City of Portland; Chris Maiers-State of Iowa, John Richards-State of Maine; George Crouch-State of South Carolina and Vice Chair Project 25 Steering Committee.

PTIG Board returning Commercial Members include: Andy Davis-Motorola Solutions, Chris Lougee 5 x 9 Communications; Jim Holthaus BK Technologies, Cheryl Giggetts-CTA Consulting; Neil Horden-Federal Engineering; Doug Chapman-Etherstack; Robin Grier-Catalyst, Dominick Arcuri-Televate, Karthik Rangarajan-EFJI-JVC Kenwood.

Stephen Nichols was appointed to continue as Executive Director for the non-profit organization.

The Project 25 Technology Interest Group (PTIG) is a group of individuals and organizations who share the mutual interest of advancing the refinement, development, deployment, and applications of the digital communications technology represented by Project 25 industry standards.

PTIG members include two-way radio communications experts, public safety professionals, and equipment manufacturers.   Our members recognize the need for, and have a direct stake in, the continued development of the critical communications capabilities represented in the P25 standards.

For Additional Information contact:

Stephen A. Nichols

Director, Project 25 Technology interest Group

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The Project 25 Technology Interest Group is pleased to welcome New PTIG Corporate Member: dbSpectra.


dBSpectra Capture

dbSpectra designs and manufactures Transmitter Combiners, Filters, Antennas, Receiver Multicouplers, Duplexers, Tower Top Amplifiers and customized RF solutions and sub-systems for mission critical communications markets worldwide.

As a startup company in 2001, dbSpectra developed the Control Station Combiner which was unique in that it combined simplexed radios together and reduced the number of antennas required at a location.  Soon after the development of the Control Station Combiner, dbSpectra began to provide specialized RF equipment to those in the Two-Way Radio market.

In 2005, dbSpectra began manufacturing and supporting legacy Decibel Products LMR site management equipment. Today they manufacture a full range of products at their plant in Dallas/Ft Worth. All products are designed and manufactured in the USA. The company was granted ISO 9001:2000 certification in July 2006.

dbSpectra was one of the 1st companies to upgrade Quality Management to the ISO 9001:2008 standard. Subsequently they have been certified ISO 9001:2015 and ISO 14001:2015 in 2018.


Primary Contact:

Name: Jim Bankston

Title: Vice President Applications and System Engineering

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Phone: 469 322 0080 ext150  

Website link:


The Project 25 Technology Interest Group is pleased to welcome RFI Technology Solutions as a new corporate member of PTIG.  


RFI Horizontal Blue hi rez


RFI Technology Solutions is a designer, manufacturer and distributor of communications antennas, multicouplers, combiners, duplexing filters, amplifier systems and associated hardware. The company’s strengths in engineering, manufacturing, research and development and sales and marketing are maintained by employing dedicated, experienced industry professionals in each key discipline.

RFI Wireless offers customers a diverse range of products and services, from completely integrated in-building and tunnel coverage systems, to the design, manufacture and distribution of low PIM base antennas, multicoupling systems, unique mobile antenna designs, lightning management, cables and connectors, batteries and solar powered site solutions.

Formed in 1979 the company has continually expanded its operations to meet with the requirements of the fast paced industry of which it is a part. RFI holds a number of patents for unique and innovative designs that have been developed to meet with the industry demands for technologically superior systems. With offices based in Australasia. EMEA and North America, RFI is positioned as a true global vendor.

Primary Contact:

Name: Sean Johnson

Title: President, RFI Americas

E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone: 330 486 0706 ext 302


Business Development Contact 

Name: Brad Washburn

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Phone: 330-486-0706 x304

Company WEB site:

Mailing Address:


2023 Case Parkway

Twinsburg, OH 44807

The Project 25 Technology Interest Group PTIG has published the latest update to the P25 Standards. 


This update is based on activity at the most recent TIA TR-8 meetings held June 19-21 in Atlanta GA.

This update is authored by Andy Davis the chairman of the TIA TR-8 Committee and published following each TIA face to face meeting and conference.


New items from the June report:


A revision to the Conventional Interoperability Test standard was approved for ballot

A revision of TSB-88.1-E (Part 1 Performance Modeling) was approved for ballot. 

A revision of TSB-88.3-E (Part 3 Performance Verification) was approved for ballot

A revision of the ISSI/CSSI Interoperability Test Procedures for Trunked Voice Operation was approved for ballot.

A revision of the ISSI Recommended Compliance Assessment Tests bulletin was approved for ballot.

A revision of the Security Services Overview document was approved for ballot.

A revision of the Tier 2 Location Service Specification was approved for ballot.

TCP/UDP Port Number Assignments was approved for ballot.

Mobile Data Peripheral Interface was approved for ballot.

CMS Specification for Packet Data was approved for ballot.

Packet Data Host Network Interface was approved for ballot.

The full report can be accessed on the PTIG website: using the following link:


P25 Standards meetings TIA TR-8 Atlanta June 2018 

Mission Critical Magazine has published a News article on the
new  NASPO ValuePoint P25 Equipment Contract
The full article can be found on the Mission Critical Website using the link below:
An excerpt from the article is below.
NASPO ValuePoint Prepares to Rebid P25 Equipment Contract
By This email address is being protected from spambots. You need JavaScript enabled to view it.

The NVP public-safety communications equipment contract, led by the state of Washington, is preparing to rebid the nationwide public-safety communications equipment cooperative contract. A team of procurement and technical experts from multiple states serve on the sourcing team and assist with bid development and evaluation. Their participation continues for the entire term of the contract. Members of the sourcing team represent Washington, Oregon, California, Idaho, Alaska, Utah, Nevada, Georgia and Tennessee.


To ensure interoperability and compatibility, all products offered on the upcoming rebid contract must meet the Project 25 (P25) Compliance Assessment Program (CAP) requirements. Awarded manufacturers may add products in the categories and subcategories they were previously awarded as long as they meet the following conditions:
• Must be in the category/subcategory awarded;
• Must be P25 CAP tested, certified and listed on the Department of Homeland Security (DHS) website; and
• Must adhere to the percentage off-list discount submitted with their bid.



The team will initiate the rebid process in July 2018 with the release of a request for information (RFI). To receive notification of the opportunity, companies must be registered in Washington’s Electronic Business Solution (WEBS)





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