500mW FSK Wireless Modem VHF UHF Transceiver Module Long Range

500mW FSK Wireless DATA Transceiver VHF / UHF Wireless Data Module

DS-RM304 is a module of DATA transmission integrated with voice communication. Specially designed for automatic industry with high reliability and stability. Provide voice transmission channel, can be connected to a microphone or loudspeaker directly, very easy to extend its functions and applications by the clients. And moreover, we are always ready for your OEM.

Features:

Use TCXO and digital PLL advanced technologies, high stability;

Integration of transceiver, both digital and analog signals can be send and switch quickly;

Steady outsell, good hidden and stronger anti-interference;

Industrial designees, work temperature: -40~+70°C;

Several kinds of interfaces for choice: RS-232, TTL, RS-485;

DATA Format: 8N1/8E1/8O1( Customized )

Antenna Impedance: 50Ω (SMA Customized)

Application:

Remote reading system of water, electric and gas supply;

Building Automation, security & protection, devices monitoring and access control

system;

Wireless calling system;

Spot management, station management;

RF transmitter Wireless electronic display screen and queuing machine;

Electronic bus station and intelligent traffic;

Alarm systems.

Specification:

Frequency: VHF/UHF ( 223-235MHz )

Power: 500mW

Frequency stability: ± 2.5ppm

Mode: half-duplex

Channel spacing: 25KHz

Voltage: DC 12V ( Customized )

Transmission distance: 2km

Receiver Indicator:

Usable sensitivity: ≤0.25μV (12dB SINAD)

Adjacent channel selectivity: ≥70dB

Spurious Response Immunity: ≥ 65dB

Adjacent channel power ratio: ≥70dB

Audio Output: 0.5W(8Ω, 10% Distortion)

Distortion: ≤3%

Current: ≤ 50mA

Transmitter indicator:

RF Output: 500mW

Adjacent channel power ratio: ≥70dB

Modulation Distortion: ≤3%

Modulation Sensitivity: 5mV

Current: ≤300mA

Size: 70*46*8mm

Interfaces definition:

6 Complete set of equipment:

1. One module of KP-RM304;

2. 10 pin flat connector;

3. A whip antennas ( about 10cm)

7 Antenna appearance structure:

Many appropriative antennas for low power RF modules are selected to meet different user’s antenna configuration. Please ask our Sales office for further information about the antenna’s dimension and performance. The main options of antennas are exterior flabelliform rubber antenna with helical SMA joint, small osculum antenna, small rod antenna and elbow antenna. If the user has special demands on antennas, we can design and produce individually.

Dingshen is a leading of High-tech global enterprise in developing and manufacturing. Company established in 1998 and located in Shenzhen China. Specializing in the provision of advance wireless microwave communication system to the broadcast, UAV, public surverillance and defense industries. By continuously investing in innovation and combining exceptional products and services, Kimpok offers superior solutions that enable our customers to do their jobs even more effectively.

Dingshen has a very strong technical team and R&D capacity. we dedicated to developing the high level wireless mobile video surveillance system for application of Law enforcement and military, field forces, radar, R/C helicopter, security & protection, government departments, military, security systems, oil field, Vessel, large mines, factories and so on.

Last for 15 years, Dingshen continually concentrate on researching and innovating in the wireless high speed mobile video transmission industry based in LOS/NLOS environments,especial for Unmanned aircraft vehicle(UAV), airborne area and soldier man-pack areas. COFDM modulation and TDDworking mode transmitter/receiver are our demonstrable advantages.All the products production must be in very strict quality management by using US original (HP) spectrum analyzer and Germany (Rohde & Schwarz) Network Analyzer.

The transmitter and receiver are with Anti-jamming, high quality image, long range transmission distance, and have a highly appraise in this area. Company’s developing and long-term programming is the key way for leading us to be the leader at this area, we always believe we can do it. We will continually concentrate on researching and innovating in the wireless microwave transmission industry.

Welcome to tell use your needs, we will try to meet your requirements and custom made a special device for you.” Your support and suggestions are our motivation”. We aim to provide our users worldwide exclusive advanced wireless videography system.