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Lisheng (Fujian) Communications Co., Ltd.               

SPECIFICATION

Frequency range 

136-174MHz 

Channels 16 

Channels spacing 

12.5kHz

Working Voltage 

DC 7.4V 

Frequency stability 

±2.5PPM 

Operating Temperature Range    

-25 

ć

 to + 55

ć

Antenna impedance 

50

ȍ

Dimension (L×W×H)   

136*58*36mm 

Weight (including Antenna and Battery)   

246g 

TRANSMITTER

Output Power 

5W 

Modulation Mode   

F3E 

Modulation Limited   

±2.5kHz 

Audio Distortion 

İ

5%

Residual frequency modulation 

-45dB /-40dB 

Adjacent Channel Power 

-70dB /-60dB 

Spurious and Harmonic Wave 

-36dBm<1GHz -30dBm>1GHz 

RECEIVER

Receiving Sensitivity   

İ

0.18uV/0.22uV 

Adjacent Channels Selectivity 

ı

70dB/60dB

Intermediation

ı

60dB

Spurious Response Rejection 

ı

70dB

SNR

ı

50/45dB

Audio Output Power 

1.0W 

Audio Distortion 

İ

5%

Note:
The above specifications are in according to the TIA/EIA-603 standard to test. Due to the continous 
development of the technology, the above specificationsare subject to change without notice. 

Содержание LS-A8

Страница 1: ...o increase the volume and turn counter clockwise to decrease the volume 5 LED Indicator Receiving Green Light bright Transmitting Red Light bright 6 MIC Microphone 7 PTT Push To Talk Key Press and hol...

Страница 2: ...ctivate exit VOX function 10 Scan Scan the activities from other channels 11 Channel Lock To lock the current channel position and the channel knob is invalid 12 Emergency Alarm To transmit Emergency...

Страница 3: ...disconnecting with the repeaters or telephone systems We have 3 Encode modes to transmit PTT ID code as following Begin of Tx It will emit ID code while you press the PTT Key End of Tx It will emit ID...

Страница 4: ...t meanwhile you may miss some weak signals which maybe useful for you On the contrary the lower squelch level it s easier to receive the weak signals but also easier to be affected by noise signals Le...

Страница 5: ...the appropriate power level via software according to the current communication environment and requirements Tx low power helps you save the battery power and reduce the risk of interfering with other...

Страница 6: ...ion which can further secure the safety of communication and those radios without this function are unable to receive real audio You can open Scrambler function in some specified channels via software...

Страница 7: ...re alert time via software When transmission time is reached at the TOT Pre alert 1 15s the radio will beep DU DU DU sound which means that the radio will be prohibited to transmit once TOT time limit...

Страница 8: ...remind other users in the same channel Power off the radio to exit emergency alarm mode Wire Clone Wire Clone allows you to copy the original setting of one radio to others 1 Connect the main unit and...

Страница 9: ...lation Limited 2 5kHz Audio Distortion 5 Residual frequency modulation 45dB 40dB Adjacent Channel Power 70dB 60dB Spurious and Harmonic Wave 36dBm 1GHz 30dBm 1GHz RECEIVER Receiving Sensitivity 0 18uV...

Страница 10: ...off the transceiver before step into the inflammable and explosive places z Don t transmit for a long time it may damage the transceiver or it may cause scald z Don t use the transceiver which antenn...

Страница 11: ...for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields 3 kHz to 300 GHz American National Standards Institute C95 3 1992 IEEE Recommended Practice for the Measurem...

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