500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode

Brand Name:Ding Shen
Model Number:DS-RM304
Minimum Order Quantity:1 Set
Delivery Time:3-7 days
Payment Terms:T/T
Place of Origin:China
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Location: Shenzhen China
Address: F13, Block 2, Baolong industrial park, Baohe Road, Longgang district, Shenzhen, China
Supplier`s last login times: within 3 hours
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Product Details

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;


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;


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


Transmitter indicator:


RF Output: 500mW

Adjacent channel power ratio: ≥70dB

Modulation Distortion: ≤3%

Modulation Sensitivity: 5mV

Current: ≤300mA

Size: 70*46*8mm



Interfaces definition:


NameDescriptionLevelRemark
1VCCDC

12 V


DC 12V ( as good in range 7.5~15V), or customized
2
3GNDGND--------------------------
4
5A(TXD)RS-485 A or TXD of RS-232Either RS-485 or RS-232
6B(RXD)RS-485 B or RXD of RS-232
7PTTTransmit controlTTLLow level validity
8MICAudio input--------Recommend 1K-2K, -27dB sensitivity of microphone
9SPAudio output8Ω 0.5
10SQReceiving indicationTTLHigh-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.


China 500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode supplier

500mW FSK Data VHF Wireless Av Transceiver Half Duplex Mode

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