Expanded Signaling and Security
Both radios provide a full range of signaling capabilities including DTMF, 2-tone, 5-tone and MDC 1200® encode/decode for selective calling.
Private communication is supported by built-in voice inversion encryption. And, if a radio is ever lost or stolen, 5-tone remote stun/kill/revive can be activated to ensure messages are only heard by those intended.
Enhanced Audio Performance
These radios feature Channel Announcement, which loudly speaks the current channel description to simplify changing channels when focused on other tasks simultaneously.
Also included is Voice Activation (VOX) that enables users to transmit voice without pressing the Push to Talk button on the microphone. Enables hands-free operation for convenience.
In noisy environments, activate the Clear Voice function to enhance audio transmit to ensure your message is heard. And, to ensure a radio is not accidentally turned down too low, a minimum volume limit can be programmed by your Dealer.
Whisper capability is also included to augment audio transmit when talking quietly is necessary for discrete communications.
Record and store up to 120 seconds of voice messages for keeping an audible record of important communications using the optional DVS-8 Voice Storage unit.
When Safety Counts
As with all Vertex Standard mobile radios, the VX-4500/4600 Series includes Emergency Alert for enhanced driver safety.
Operators can activate the Lone Worker function when leaving equipment or a vehicle temporarily. If a problem arises while away, the radio switches to Emergency mode to alert help.
When constant contact is required at all times, Vertex Standard’s exclusive Auto-Range Transpond System (ARTS™) is also included to inform the user that other ARTS™-equipped radios are within communication range.
Large Group Communications Made Easy to Manage
The VX-4600 has 512-channel capacity and 32 groups to easily manage a variety of calls at the most complex job site. For smaller operations, the VX-4500 features 8 channels.
Additional Features
- Six programmable keys
- 8-Character alphanumeric display (VX-4600)
- RSSI signal strength indicator (VX-4600)
- DTMF Paging
- DTMF ANI
- Speed dial (VX-4600)
- CTCSS / DCS Encode and Decode
- BCLO / BTLO and TOT Functions
- Compander
- Direct channel entry (VX-4600)
- Minimum volume control
- Talk around
- Priority scan
- Dual priority scan
- Dual watch scan
- Follow-me scan
- Talk around scan
- Talk back scan
- Operator selectable scan
- Group scan
- Manual squelch control
- D-sub 15 pin accessory connector
- Public address / horn alert
- Radio-to-radio cloning
- Audible channel announcement (customisable)
General Specification
- Frequency Range
134 - 174MHz
400 - 470MHz
450 - 520 MHz
- Number of Channels and Groups
512 with 32 groups (VX-4600)
8 (VX-4500)
- Power Supply Voltage
13.6 V DC ± 20%
- Channel Spacing
12.5 / 20 / 25 kHz
- PLL Steps
1.25 / 2.5 / 5 / 6.25 kHz 5 / 6.25 kHz
- Current Consumption TX:
11 A, RX: 2.5 A, Standby: 200 mA
- Operating Temperature Range
-30º C to +60º C (-22º F to +140º F)
- Frequency Stability
±2.5 ppm
- RF Input-Output Impedance
50 Ohms
- Dimension (H x W x D)
165 x 45 x 155mm
- Weight (Approx.)
1.25 kg
Receiver Specification: measured by TIA/EIA-603
- Sensitivity 12dB SINAD 0.25 μV
- Adjacent Channel Selectivity
75 dB / 70 dB
- Hum and Noise
45 dB / 40 dB
- Intermodulation
75 dB
- Spurious and Image Rejection
85 dB / 80 dB
- Audio Output Internal:
4 W @ 20 Ohms; External: 12 W @ 4 Ohms, <5% THD
Transmitter Specification: measured by TIA/EIA-603
- Output Power
(Selectable) 50 / 25 / 12.5 / 5 W 45 / 25 / 12.5 / 5 W
- Modulation
16K0F3E, 11K0F3E
- Maximum Deviation
±5.0 kHz / ±2.5 kHz
- Hum and Noise
45 dB / 40 dB
- Audio Distortion
< 3% @ 1 kHz
- Conducted Spurious Emission
70 dB below carrier
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