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

25W Wireless Data Modem 150MHz Marine Radio 20km Data Wireless 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

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