Shenzhen Qianhai Lensen Technology Co., Ltd
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LS-V5000 Wireless Audio Module , VHF / UHF Voice Module 144.039MHz For APRS
Features:
Specifications:
Double phase-lock loop, double VCO structure, high stability
Carrier frequency: VHF/UHF selectable
Air data rate: 1200/2400bps now
Interface: TTL/RS-232/RS-485 selectable
Modulation: FSK/MSK
Frequency stability: ±2.5ppm
Channel spacing: 25KHz
Antenna impedance: 50 ohm
Temperature: -30~+70C
Size: 85x58x16mm (without radiator)
Transmission distance can reach 12Km
Receiver:
Receiving sensibility: ≤-119dBm (more than 12dB SINAD)
Adjacent channel selectivity: ≥65dB
Intermodulation rejection: ≥65dB
Clutter and images rejection: ≥70dB
Transmitter:
RF power: 5W
Frequency deviation: ≥ 5.0kHz
Adjacent channel power: ≥70dB
Transmitting current: ≤1.5A
Application
APRS, SCADA
Wireless alarm and security systems;
Wireless voice transmission system, wireless pagers
wireless monitoring and process control;
Wireless data transmission, automatic data collection system;
Wireless conference voting system;
Wireless POS, PDA wireless smart terminal;
Electronic bus station and intelligent traffic;
Wireless electronic display screen, LED display
RS232/RS485 to wireless
| Pin No. | Signal Name | Definition | Description | Remarks | ||
| Power | 1 | VCC | DC12V±10% | Maximum transmission current: 1.5A | ||
| 2 | GND | Grounding of power supply | ||||
| Signal base | 1 | GND | Grounding of power signal | |||
| 2 | A(TXD) | Data receiving | TTL TX / RS232 TX / RS485－A | Choose one | ||
| 3 | B(RXD) | Data transmitting | TTL RX / RS232 RX / RS485－B | |||
| 4 | NC | |||||
| 5 | DGND | Grounding of Signal | ||||
| 6 | PTT | Audio transmitting control | ||||
| 7 | MIC IN | Microphone input control | ||||
| 8 | SPEAKER OUT | Speaker output control | ||||
| 9 | TEST | Factory testing | ||||
Dimension
