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25 Watt Wireless Data Modem 150MHz Marine Radio 20km Serial Data Transfer VHF

Shenzhen Qianhai Lensen Technology Co., Ltd

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Address: 701, Yongchang Building, Xicheng Industrial Zone, Xixiang, Bao'an District, Shenzhen, China 518126

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25 Watt Wireless Data Modem 150MHz Marine Radio 20km Serial Data Transfer VHF

Country/Region china
City & Province shenzhen guangdong
Categories Mobile Phone Straps
InquireNow

Product Details

25 Watt Wireless Data Modem 150MHz Marine Radio 20km Serial Data Transfer VHF​

 

General Introduction

To transmit serial data or voice

VHF band 150MHz or 230MHz

UHF band

Please indicate when you place order

Serial port RS232 or RS485, TTL

Control distance 20km

 

Application of LS-V25000

Salvage, Marine control

public traffic

industrial automatic control

electric power schedule

water conservancy monitor

signal collection and transmission of railway system

oil extraction and transportation control

measure of oil or water wells

hydrological monitoring

weather station monitoring

forest protection

intelligent building

geological reconnoiter

mobile location

military training

 

Parameter

Parameter
Power output:25W
Distance:20km
Baud rate:1200/2400 programmable
Channel Space:12.5KHz
Bandwidth:<25KHz
Receiving Sensibility-114dBm@1200bps, -107dbm(9600bps)
Compatible with
LS-V series
Power
Power Supply:12V DC (default)
Transmitting current:<6A
Receiving current:<160mA
Sleep current:<1mA
General
Modulation:MSK
Frequency:150MHz or 230MHz
Data format:8N1, 8EI, 8O1 programmable, or other customize
Channel No.:Written by software
 

 

Features:

1. High power output: 10W or 25W

2. Long transmission distance: up to 20km

3. VHF band 150MHz band or 230MHz band or 450MHz

4. Data transmission

5. Double PLL, double VCO, High reliability

 

 

Data sheet

A,General Index

● frequency:VHF and UHF frequency band (150MHz, 230MHz), can store about 400 channels

● frequency tolerance:±2.5ppm

● Channel spacing:25 KHz

● antenna impedance:50Ω

● environment temperature:-35 ℃~+75 ℃

● modulate mode:MSK

● air baud rate:1200bps/2400bps

 

B,Receiver Index

● sensitivity: ≤0.25uV

● ignal Noise Ratio(SNR): ≤-50dB

● Adjacent Channel Selectivity: ≥70dB

● Inter modulation interference: ≥70dB

● Spurious respouse immunity: ≥70dB

 

C,Transmitter Index

● Transmit Power: 25W

● modulate distortion: ≤3%

● residual frequency modulation: ≤-48dB

● frequency deviation: ≤5KHz

● ortho-channel power ratio: ≤-70dB

● stray power: ≤5uW

● RF distance: 20km(25W RF power in the open air)

 

D,Power supply

● DC: 12 V (±10%)

● waiting current: ≤ 1 6 0 m A

● transmitting current: ≤ 6 A ( transmit power 25W )

 

E,Dimension:

128*108*28mm

 

Pin Definition

ConnectorPin No.Pin nameDescriptionRemarks
Power connectionVCCDC:12V

Please use power

DC 12V, more than 8A

 GNDGround of power supply 
Signal connectionTTL(TxD)TxD of TTL 
 TxD(A)

TxD of RS-232

RS-485 A

RS-232,RS-485,TTL, only one valid
 RxD(B)

RxD of RS-232

RS-485 B

RS-232,RS-485,TTL, only one valid
 TTL(RxD)RxD of TTL 
 GNDSignal ground 
 PTTAudio transmitting enableLow level is for transmitting
 MICAudio signal inputMicrophone input,modulation sensitivity 10mV
 SPAudio signal outputAudio amplifier output 8ohm 0.5W
 SQReceiving signal checkingReceiving carrier signal, high level

 

 

 

 

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