VX-2500
UHF Trunking/Conventional Mobile

The Vertex/Standard VX-2500 UHF-LTR® Trunking Mobile packs 25 watts of power in a compact chassis. The VX-2500 gives you the flexibility you need in a trunking mobile with 32 systems, 250 groups and 250 conventional channels. This unit is designed to perform in rugged environments and offers the flexibility your customers need!
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Owners Manual (Conventional Model)
Factory Flier (Conventional Model)
Software Windows Compatability
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Features:
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ALPHA NUMERIC DISPLAY (14 SEGMENTS x 8 DIGITS) | |
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RUGGED DIE-CAST CONSTRUCTION | |
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CTCSS ENCODER/DECODER | |
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DCS ENCODER/DECODER | |
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DTMF ANI ENCODER | |
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FIRMWARE UPDATE CAPABILITY | |
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VERSATILE SCANNING | |
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KEY ASSIGNMENT AVAILABLE | |
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PROGRAMMABLE ALERT TONES | |
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COMPANDER AUDIO INCLUDED | |
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EMERGENCY FUNCTION | |
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ENCRYPTION (OPTIONAL - FVP-25) | |
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DTMF PAGING (OPTIONAL - FVP-25) | |
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FRONT MOUNTED SPEAKER | |
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ARTS™ FUNCTIONS ON THE CONVENTIONAL MODE | |
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TOT, BCLO, BTLO FUNCTION | |
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MIL. SPEC. RATED (MI 810 C, D AND E) | |
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PC PROGRAMMABLE (MICROSOFT WINDOWS) |
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Vertex/Standard's VX-2500 is the reliable, durable choice for LTR® or conventional mode communications in a wide variety of applications. Built into an extremely rugged, die-cast aluminum chassis, the VX-2500 Series radios are the performance and durability standard in the land mobile industry.
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ALPHA-NUMERIC DISPLAY (14 SEGMENTS X 8 DIGITS) |
The 8-digit Alpha-Numeric display allows quick channel identification by the user and is easy to read from a wide range of viewing angles.
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CTCSS ENCODER/DECODER |
Subaudible (CTCSS) 50-tone Encoder and Decoder circuits are built into every VX-2500 ensuring compatibility with modern repeater requirements.
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DTMF ANI ENCODER |
Automatic Number Identification (ANI) via an automatic DTMF Encoder is also provided among the VX-2500's versatile signaling capabilities.
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VERSATILE SCANNING |
A wide range of set-up options are available during configuration of the VX-2500 to ensure compatibility with the operating requirements of your system's users.
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PROGRAMMABLE FRONT PANEL KEYS |
Custom assignment of important functions to front panel keys is available at the time of programming to provide the most ergonomically-friendly transceiver available today.
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PC PROGRAMMABLE |
All frequencies and configuration data may be programmed directly from a PC using the optional VPL-1 Programming kit and the CE47 Programming Software. (Microsoft Windows)
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PROGRAMMABLE ALERT TONES |
Among the useful set-up options for the VX-2500 is the capability to customize the "Alert" tones generated from the transceiver for ease of recognition by the user.
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COMPANDER INCLUDED |
For narrow-band channel applications, the built in Audio Companding system compresses the voice waveform during transmission and expands it during reception allowing full-sounding audio despite the restricted transmission bandwidth.
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EMERGENCY MODE |
When activated, the "Emergency" feature sends out the DTMF ANI and cycles between transmit and receive to serve as an emergency beacon to alert the dispatcher as to the need for immediate aid.
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ENCRYPTION (OPTIONAL FVP-25 REQUIRED) |
For applications requiring secure communications, the optional FVP-25 Paging/Encryption unit provides scrambling and descrambling functions.
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DTMF PAGING (OPTIONAL FVP-25 REQUIRED) |
For dispatch or network operations where DTMF Paging is required, the optional FVP-25 Paging/Encryption fulfills this requirement also.
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ARTS™ FEATURE (CONVENTIONAL MODE) |
The Auto-Range Transponder System, a Vertex/Standard exclusive, alerts the operator when another ARTS™-equipped station (for example a handheld portable) moves out of communication range. You can then advise the other unit to move to a better location.
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TOT, BCLO, BTLO FEATURES |
Among the most useful protection features of the VX-2500 are the transmitter Time-Out timer (TOT), Busy Channel Lockout (BCLO), and Busy Tone Lockout (BTLO), to insure efficient network performance at all times.
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RUGGED DIE-CAST CONSTRUCTION |
The VX-2500's circuitry is
housed within a die-cast aluminum enclosure which doubles as a heat sink. This
extraordinarily durable construction ensures many years of reliable operation
even in high vibration installations.
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MIL-SPEC RATED (MIL 810 C/D/E) |
The ultra-rugged design of the Vertex/Standard VX-2500 Series enables it to be fully compliant with the exacting specifications of MIL 810 C, D, and E, persuant to the test procedures documented below:

SPECIFICATIONS
| GENERAL SPECIFICATIONS |
VX-2500V |
VX-2500U |
| Frequency Range |
134-160 MHz, 148-174 MHz |
400-430 MHz, 450-490 MHz, 480-512 MHz |
| Number of Systems | 32 | 32 |
| Number of Groups | 250 | 250 |
| Number of Channels | Conventional = 250, Trunking = 640 | Conventional = 250, Trunking = 640 |
| PLL Steps |
2.5/5.0 KHz / 6.25 KHz |
5.0 KHz, 6.0 KHz |
| Power Supply Voltage | 13.8 DC + or - 15% | 13.8 DC + or - 15% |
| Channel Spacing | 12.5/15.0/25.0/30.0 KHZ | 12.5/25.0 KHz |
| Current Consumption | TX: 6A, RX:700 mAh, STBY: 250 mAh | TX: 6A, RX:700 mAh, STBY: 250 mAh |
| Operating Temperature Range | -22 to +140F, (-30 to +60c) | -22 to +140F, (-30 to +60c) |
| Frequency Stability | Better Than + or - 2.5 ppm | Better Than + or - 2.5 ppm |
| RF Input/Output Impedance | 50 ohms | 50 ohms |
| Audio Output Impedance | 4 ohms | 4 ohms |
| Dimensions | 6.3"x1.57"x4.33" (160mm x 40mm x 110mm) | 6.3"x1.57"x4.33" (160mm x 40mm x 110mm) |
| Weight | 1.87 Lbs. (0.85 kg) | 1.87 Lbs. (0.85 kg) |
| RECEIVER SPECIFICATIONS
Measurements per TIA/EIA - 603 |
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| Circuit Type | Double Conversion Super Heterodyne | Double Conversion Super Heterodyne |
| Sensitivity | 0.25 microvolts (12 db SINAD) | 0.25 microvolts (12 db SINAD) |
| Adjacent Channel Selectivity | 80 db | 70db |
| Spurious and Image Rejection | 90 db | 90 db |
| Audio Output | 4 watts into 4 ohms with 5% THD | 4 watts into 4 ohms with 5% THD |
| Audio Distortion | Less then 3% at 1000 Hz | Less then 3% at 1000 Hz |
| TRANSMITTER SPECIFICATIONS
Measurements per TIA/EIA - 603 |
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| Power Output | 25 Watts High, 5 Watts Low | 25 Watts High, 5 Watts Low |
| Modulation | 16KOF3E, 11KOF3E | 16KOF3E, 11KOF3E |
| Maximum Deviation | 5.0/2.5 KHz | 5.0/2.5 KHz |
| Conducted Spurious Emission | 70 db below carrier | 70 db below carrier |
| Audio Distortion | Less than 3% at 1000 Hz | Less than 3% at 1000 Hz |
| Microphone Type | Dynamic | Dynamic |
| Microphone Impedance | 600 ohms | 600 ohms |
Accessories & Options









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