Professional handheld radio transceiver vx-231:
Main Features:
Power output: 5 W
16 channels
Wide / Narrow (12.5 / 20 / 25 kHz programmable per channel)
CTCSS/DCS Encode / Decode
Specifications
Vertex Standard VX231 Portable
Compact Size and Improved Portability. Easy to carry and easy to operate. Built-In Safety Features for Worker Emergencies Includes built-in Emergency notification that will swtich to a designated channel and send an emergency alert.
For enhanced worker safety, the Lone Worker mode is a built-in timer that requires the user to reset at a predetermined interval. If not reset, the radio automatically switches to Emergency mode to alert help.
134 – 174 MHZ
450 – 512 MHZ
400 – 470 MHZ
Power output: 5 W
16 channels
Wide / Narrow (12.5 / 20 / 25 kHz programmable per channel)
CTCSS/DCS Encode / Decode
DTMF ANI
Built-in 5-Tone signalling
2-Tone Encode and Multiple-2 Tone Decode
User Selectable Tone
Submersible external microphone MH-65B7A (optional)
Scan: Channel Scan, Priority Scan, Dual Watch, Follow-me Scan, Follow-me/DW and TA Scan
Compander (Wide and Narrow Band)
Loud 700 mW audio output
AF Minimum volume
Lone Worker
RX/TX Battery Save
Programmable Home Channel function
Direct Channel Recall (#1-#4)
Programmable Function Keys
BCLO/BTLO and TOT
Remote Radio Stun / Kill / Revive (5-Tone)
User Set Mode
ARTS (Auto Range Transponder System)
Encryption (Optional FVP-25/36 or FVP-35 required)
Voice Storage (Optional DVS-5 required)
ANI Encoder (MDC-1200® , GE-Star® And DTMF: Optional VME-100 required)
ANI Encoder/Decoder (MDC-1200, and DTMF (Encode): Optional VMDE-200 required)
PC programmable
Audited Supplier 
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