5W vhf uhf radio audio modem 144mhz/235mhz wireless pagers 10KM aprs
Product Description
Data Sheet:
- Audio/data compatible
- Double phase-lock loop, double VCO structure, high stability
- Providing various MODEM communication agreements
- Modulation: FSK/MSK
- Metal shell metal, good shielding performance.
- Sensibility: -119dBm
- Carrier frequency: VHF/UHF/230MHz
- Air data rate:1200/2400
- Interface: TTL/RS-232/RS-485 optional
- Frequency stability: 2.5ppm
- Number of Channels: 8/16/32 or more (optional)
- Channel spacing: 25kHz
- Antenna impedance: 50 ohm
- Supply voltage: 12V
- Power output: 5W (500mW-5W optional)
- Size: 96x58x18mm(without radiator)
- Transmission distance: 8-12Km
Pin Definition
|
Pin No.
|
Signal Name
|
Definition
|
Description
|
Remarks
|
|
Power
|
1
|
VCC
|
DC12V±10%
|
Maximum transmission current: 1.5A
|
|
|
2
|
GND
|
Grounding of power supply
|
|
|
|
|
|
Signal base
|
1
|
GND
|
Grounding of power signal
|
|
|
|
2
|
A(TXD)
|
Data receiving
|
TTL TX / RS232 TX / RS485-A
|
Choose one
|
|
3
|
B(RXD)
|
Data transmitting
|
TTL RX / RS232 RX / RS485-B
|
|
4
|
NC
|
|
|
|
|
5
|
DGND
|
Grounding of Signal
|
|
|
|
6
|
PTT
|
Audio transmitting control
|
|
|
|
7
|
MIC IN
|
Microphone input control
|
|
|
|
8
|
SPEAKER OUT
|
Speaker output control
|
|
|
|
|
9
|
TEST
|
Factory testing
|
|
|
| |
|
|
|
|
|
|
Application:
- AMR (Automatic Meter Reading)
- Wireless alarm and security systems
- Building automation, wireless monitoring and access control system
- Wireless data transmission, automatic data collection system
- Radio modem can be used for sports training & competition
- Wireless dishes ordering
- Wireless POS, PDA wireless smart terminal
- RF modem can be used for electronic bus station and intelligent traffic
- RF transmitter wireless electronic display screen and queuing machine
- Wireless telemetry charging for parking, parking lot
- Wireless modem automobile inspection and four-wheel orientation
- Wireless sensor industrial wireless remote control and air conditioning remote controller
- Data communication used for railway, oil field, dock and army
- LED display in thruway and public places
- Wireless RS232/RS485 conversion/connector
- Point to multi-point wireless network, wireless on-the-spot bus and automatic data collection system
- Wireless data collection, controlling in industry and oil field, water measure and more
Kindly note:For long range transmission we recommend the users using Clip antenna for better communication result.
If have interests welcome to contact Sarah or visit our Aliexpress store:https://www.aliexpress.com/store/2062017
Contact Information:
Contact: sarah yuan
Skype:rf-data
Email:sales01(at)rf-data(dot)com
Whatsapp:+86-18820739215
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