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[China]
Trade Verify
Address: 701, Yongchang Building, Xicheng Industrial Zone, Xixiang, Bao'an District, Shenzhen, China 518126
Contact name:Sunny
Shenzhen Qianhai Lensen Technology Co., Ltd |
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Verified Suppliers
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50km Wireless Audio Module Digital Audio Module 25w VHF / UHF Band For Transmitting Voice
Specifications:
Main Features:
Digital voice/data transmission,voice is in priority.
Low noise, clear voice transmission.
With encryption, not easy to be decoded.
Support VHF(136MHZ-174MHZ,220-240MHZ)UHF(410MHZ-470MHZ) user programming.
With RS232&RS485 2 interface, ttl customized.
High receiving sensitivity up to -125dB.
50km-80km LOS long range transmission distance.
Over-the-air data rate 1200-4800bps settable by user, Serial data rate 1200-115200 settable by user
short transmitting-receiving transfer time, communication delay less than 3Ms.
Pin Definitions
| Pins | LS-DA25000 | Remark | |
| Airline Male Connector | 1 | Grounding of power supply | |
| 2 | DC12V power supply | DC12V | |
| DB9 Male Connector | 1 | PTT(Voice Transmitting Enable) | Active Low Level |
| 2 | RS-232/RXD | ||
| 3 | RS-232/TXD | ||
| 4 | AGND(Analog Signal GND) | ||
| 5 | GND | ||
| 6 | RS-485/A | ||
| 7 | RS-485/B | ||
| 8 | MIC(MIC Signal Input) | ||
| 9 | SP(Speak Output, 8Ohm 1W) |
Technical Parameters
| Frequency Range | 136-174MHz, 220-240MHz, 410-470MHz |
| Frequency stability | 2.5PPm |
| Transmit Power | 25W |
| Modulation | GFSK/4GFSK |
| air Data Rate | 1200-4800bps |
| Serial Data Rate | 1200-115200bps |
| Interface | RS232, RS485, TTL customized |
| Power Supply | 12V@10A |
| Interface Data Format | 8E1/8N1/801 |
| Receiving Sensitivity | -125dBm@1200bps |
| Channel Bandwidth | 10KHZ@1200bps |
| Working Temperature | -40-80 (industrial grade) |
| Working Humidity | 10% to 90% relative humidity, no condensation |
| Emission Current | 6A(Max Output Current is not less than 10A) |
| Receiving Current | 80mA |
| Dimension(L/W/H) | 86 X 45X 20mm |
| Weight(g) | 500g |
Frequency
Applications Marine Communication water wells, water and waste water treatment monitoring system Oil and gas production, pipeline monitoring, gas distribution, heat network monitoring Power scheduling, distribution automation, load control GPS positioning system, mobile data transmission Vessel (UMV) monitoring and control, robot control data link Army, police communications Earthquake, meteorology, environmental protection and urban lighting control Railway, transportation, metallurgy, chemical industry and industrial automation process control Industrial remote control, telemetry, automated data acquisition system |
