Single Band Vehicle Radio /Mobile Radio

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AT-588 single band vehicle radio or mobile radio is a high power type product, featuring superior quality, easy to use, stable and durable to operate. This product contains four different tone pulse frequencies and 200 programmable memorized channels marked with digits and letter. Also, it is equipped with mobile installing bracket, DTMF keypad type microphone, fuse holder type DC power cable, hardware kits for bracket and optional QDM-01 desktop microphone.

In addition, our single band vehicle radio or mobile radio possesses a large number of prominent functions, involving theft alarm, alternative scramble function, compander for noise reduction, ANI function, QHM-03 multifunctional microphone with DTMF, as well as CTCSS, DCS, DTMF, 2Tone and 5Tone decoding and encoding function.

Main Technical Parameter

Frequency Range VHF: 136-174MHz 245-245.9875MHz (220~260MHz) UHF: 400~490MHz
Number of Channels 200 channels
Channel Spacing 25K (Wide Band) 20K(Middle Band) 12.5K (Narrow band)
Phase-locked Step 5KH z , 6.25KHz , 8.33 K Hz , 10KHz , 12.5KH z , 15KHz, 20KHz, 25KHz, 30KHz, 50KHz
Operating Voltage 13.8V DC ±15%
Squelch Carrier/CTCSS/DCS/5T one/2T one/DTMF
Frequency Stability ±2.5ppm
Operating Temperature -20 ℃ ~+60℃
Dimensions (W x H x L ) 145 (W) x 47 (H) x 190 (L)mm
Weight about 1.2Kg

Specifications are subject to change without notice due to advancements in technology.


Receiver for ETSI EN 300 086 standard testing
Wide band Narrow band
Sensitivity (12dB SINAD ) ≤0.25μV ≤0.35μV
Adjacent Channel Selectivity ≥70dB ≥60dB
Intermodulation ≥65dB ≥60dB
Spurious Rejection ≥70dB ≥70dB
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Hum & Noise ≥45dB ≥40dB
Audio distortion ≤5%
Audio power output > 2W@10%

Transmitter for ETSI EN 300 086 Standard Testing

Wide band Narrow band
Power Output 60W /25W/10W(VHF) 45W /25W/10W(UHF)
Modulation 16KΦF3E 1 1KΦF3E
Adjacent Channel Power ≥70dB ≥60dB
Hum & Noise ≥40dB ≥36dB
Spurious Emission ≥60dB ≥60dB
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Audio Distortion ≤5%

More functions as follows
We set two selective operation modes in this single band vehicle radio or mobile radio, including amateur type and professional type. For convenience, we distribute the buttons reasonably and also apply adjustable brightness type huge LCD for use at night. By adoption of 5 tone, our product is able to send message, emergency alarm, call all, ANI, and so on. One of the advantageous functions is automatic calling identification in use of DTMF and ANI, or 5 tone and ANI. Besides, due to the compander function, it can not only set compander ON or OFF each channel, but also reduce the background noise and also improve audio clarity.

Trouble Shooting

Problem Possible Causes and Potential Solutions
Power is on, nothing appears on Display Polarities of power connection are reversed. You must connect red lead plus terminal and black lead to minus terminal of DC power supply.
Fuse is blown You might as well check and solve problem resulting in blown fuse and replace fuse with new fuse.
Display is too dim Dimmer setting is LAMP-L. Please make the dimmer setting LAMP-H.
No sound comes from speaker Squelch is muted and squelch level can be reduced. Tone or CTCSS/DCS squelch is active. CTCSS or DCS squelch should be turned off.
Key and Dial do not function Key lock function is activated and should be cancelled.
Rotating Dial will not change memory channel Transceiver is in CALL mode. You must press the VFO or memory mode
PTT key is pressed but transmission does not occur Both microphone connection and antenna connection are poor, so the microphone and antenna should be connected properly.

Install USB Cable Driver Program of Single Band Vehicle Radio or Mobile Radio
Firstly, you should click these menus in order, involving start, all programs, and USB to com port in QPS588 program. Then, you can install the driver of USB to com port by indication. Next, the alternative PC50 USB Programming cable should be connected to USB port in PC with transceiver in reference to picture 1. After that, you must double click QPS588 shortcut or click QPS588 in procedure index of start menu. In order to begin programming software, you should then select the serial COM Port and click OK in reference for picture 2. Finally, you can abide by the instruction to choose correct COM Port as picture 3 and click OK.

As long as the USB cable touches distinct USB port, the alternative COM Port can be different even in the same computer. Thus, you might as well install software before the connection of USB cable line, and then switch on transceiver before writing frequency. In order to avoid the transceiver unable to read or write frequency, it is not allowed to switch on or off the power supply of transceiver in contact with computer. Or else, you must turn off programming software, pull out USB cable, reinsert USB cable and then open software and select COM Port to make this device normally work again. After you switch on the transceiver, you might as well connect this transceiver with computer. At the same time, restarting transceiver power is prohibited.

We is an experienced single band vehicle radio /mobile radio manufacturer, based in China. Our products include single band handheld transceiver, selective band mobile phone repeater / signal booster, citizen band radio, and more.

Related Names
High Power Interphone on Automobile | Vehicle Two Way Radio with Four Tone Pulse Frequencies | Walkie-talkie Mounted on Car with Mobile Installing Bracket | Vehicle Intercom With DC Power Cable

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