As with all Vertex Standard portable radios, the VX-231 includes both Emergency and Lone Worker alert functions to help monitor user safety. The Emergency alert can be programmed to instantly notify help with a press of a button. The Lone Worker function 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. An ideal solution for supervisors to monitor the safety status of radio users working alone in isolated areas.
More Scanning Options While many radios provide one or two scanning options, the VX-231 radio has four scanning options for greater convenience and flexibility in the way you need your radios to perform. Options include: Priority, Dual Watch, Follow Me and Talk Around scan. Support for Exclusive Auto-Range Transpond System Always know your connection status. The radio is designed to inform you when you and another radio for ARTS are within communication range.If out of range, your radio senses no signal has been received and beep your workers coordinated. Additional Features: - 16 channel capacity - Two programmable keys - Battery power save - Emergency - Lone Worker - DTMF ANI - DTMF Speed Dial - 2-Tone Encode and Decode - CTCSS / DCS Encode and Decode - Manual squelch adjustment - Radio-to-radio cloning Specifications: 1. To +60°C - Frequency Stability: ±2.5 ppm - RF Input-Output Impedance: 50 Ohms 2. Receiver Specification (measured by TIA/EIA-603): - Sensitivity I2dB SINAD: 0.25µV typical - Adjacent Channel Selectivity: 65 / 60dB 25kHz / 12.5kHz - Intermodulation: 65/60dB 25kHz / 12.5kHz - Spurious and Image Rejection: 65dB - Audio Output: 500mW at 4 Ohms, 5% THD 3. Transmitter Specification (measured by TIA/EIA-603): - Output Power: 5 / 1Watt - Modulation: I6K0F3E and IIK0F3E - Conducted Spurious Emissions: 65dB below carrier - FM Human d Noise: 45 / 40dB 25kHz / 12.5kHz - Audio Distortion.
Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days. This item is in the category "Consumer Electronics\Radio Communication\Walkie Talkies, Two-Way Radios".The seller is "topcyberday" and is located in this country: CN. This item can be shipped worldwide.