Vertex Standard announced a digital radio product line that will launch in 2007. Based on a two-slot TDMA platform, the radios deliver advanced digital features such as caller privacy, group calling and talk group scanning, and operate in both analog and digital mode with automatic switchover, the company said. Additional digital features include text messaging, voice storage, telemetry and IP via a USB interface.

Dataradio launched new versions of its Gemini G3 mobile data radio modem in the UHF and 800 MHz bands. The native IP mobile data modems operate at 64 kb/s in 24 KHz channels at 800 MHz or 57.6 kb/s in 25 kHz channels for UHF, joining the company's 700 MHz version that offers 128 kb/s in 50 kHz channels. The Gemini G3 includes an embedded Web server so status and configuration information can be accessed from any Web browser and incorporates AES 128-bit encryption for security. External devices can be connected either through a standard Ethernet 10/100 BaseT port or two RS-323 ports. There's also a 12-channel WAAS-capable GPS receiver in the device to provide position reporting.

Avtec partnered with Daniels Electronics to develop a digital Ethernet interface that provides a direct digital connection between the two companies’ products. Daniels’ digital universal interface card provides an Ethernet connection from its radio systems to other LMR systems, including Avtec’s dispatch console. The interface sends a digital audio signal directly to the console letting dispatchers manage information associated with an IP-formatted call, according to Avtec.

STI-CO Industries unveiled the Mazda 6 VHF antenna, which replaces the Mazda 6 AM/FM antenna. The antenna features an aerodynamic swept-back design to minimize wind noise, a coupler to optimize AM/FM reception, bandwidth of 24 MHz, and a power rating of 150 W, the company said. The roof-mount antenna operates in the 150-174 MHz frequencies.

Carlson Wireless introduced the Trailblazer EB-MAX wireless bridge for mesh networks that delivers data rates from 1 to 108 Mb/s. Features include an integrated architecture, configurable channel bandwidth, 30-mile range and secure authentication.

EFJohnson showcased the IP25 voter that supports both analog and Project 25-compliant digital signal voting in a single rack unit. The device uses multiple digital signal processors and multiple comparison methods to ensure that the best signal is selected, the company said. The IP25 voter also can be used to monitor and control voting system operations, view system alarms and generate activity reports.

Tekk launched the XT 800 and 900 mil-spec, five-watt portable radios. The rugged portables offer 16 channels, a Li-ion battery, two-tone decode options and 153 DCS/CTCSS settings.

Crescend Technologies showcased a new five-pack broadband amplifier. The product holds five amplifiers in 7 inches of rack space and offers a closed loop power control, VSWR protection, remote monitoring and a three-year warranty, the company said.

Mann Wireless introduced the Donor Site Diversity System, an in-building RF enhancement system. The system continuously monitors the RF signal from the primary cell tower and automatically switches to a secondary cell tower in the event the primary site fails or goes offline.

OTTO Communications launched the new Storm Speaker Microphone which offers a two-meter immersion rating and upgraded, ergonomic design. Optional features include an RF antenna, emergency button, GPS positioning and LED flashlight. This unit is designed for rugged environments including public safety, maritime law enforcement and high-end industrial and military users, the company said.