COFDM EXPERT
Mobile Video Wireless Communication
Place of Origin: | China |
Brand Name: | Kimpok |
Certification: | CE/FCC/ROHS |
Model Number: | KP-RM304 |
Minimum Order Quantity: | 1 set |
---|---|
Price: | Negotiaiton |
Packaging Details: | export standard packing |
Delivery Time: | 3-7 days |
Payment Terms: | T/T, Western Union,PayPal |
Supply Ability: | 3,000pcs per month |
Frequency: | VHF/UHF ( 223-235MHz ) | Power:: | 500mW |
---|---|---|---|
Frequency Stability:: | ± 2.5ppm | Mode:: | Half-duplex |
Size:: | 70*46*8mm | Interface: | RS-232, TTL, RS-485 |
High Light: | wireless data transceiver,wireless transceiver module |
500mW FSK Wireless DATA Transceiver VHF / UHF Wireless Data Module
KP-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:
Name | Description | Level | Remark | |
1 | VCC | DC |
12 V
|
DC 12V ( as good in range 7.5~15V), or customized |
2 | ||||
3 | GND | GND | --------- | ----------------- |
4 | ||||
5 | A(TXD) | RS-485 A or TXD of RS-232 | Either RS-485 or RS-232 | |
6 | B(RXD) | RS-485 B or RXD of RS-232 | ||
7 | PTT | Transmit control | TTL | Low level validity |
8 | MIC | Audio input | -------- | Recommend 1K-2K, -27dB sensitivity of microphone |
9 | SP | Audio output | 8Ω 0.5 | |
10 | SQ | Receiving indication | TTL | High-level |
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.
UHF Digital Long Range Video Transmitter , 1080P HD Wireless Video Sender 40 Watt RF
Digital Wireless Long Range Video Audio Transmitter NLOS Fast Moving Transmission AES 128 / 256 bits
1080P HD Long Distance Video Transmitter Data Encryption Wireless AV Communication
1-3W IP Mesh TDD Transceiver COFDM Bidirectional Portable Radio Downlink Uplink Up to 16 Nodes
NLOS COFDM IP Mesh 16 Nodes Long Range Microwave Wireless Mesh Network
RS-232/RS-485 Network Video Transceiver , Wireless HD Transmitter Two Way Transmission
CCTV Wireless Analog Video Transmitter 8 Watt RF Power Real-time Transmission
5.8Ghz 5 Watt Wireless Video Sender Waterproof Video Transmitter and Receiver Long Range
AC 220V Long Range Hd Video Transmitter 10W CCTV Surveillance Wireless Transmission