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Home > Products > Wireless RF Module> ASK RF Transmitter > TWS-DS Wireless RF
Transmitter Module

TWS-DS Wireless RF
Transmitter Module

Model:
TWS-DS-1
TWS-DS-2
TWS-DS-3
TWS-DS-4
TWS-DS-5
TWS-DS-6

TWS-DS is SAW based wireless AM transmitter module. Have excellent stable frequency. High RF output power is 40mW. Wide Power Supply Range: 1.5V~12V. Application: wireless security, remote keyless entry, robotics, wireless data acquisition, RF remote control etc.



APPEARANCE

External Appearance


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PinFunction
1GND
2Data In
3VCC
4ANT




SPECIFICATION

Technical specifications


TWS-DS-1 303.875MHz

  • Frequency Range:303.875MHz

  • Modulate Mode:ASK

  • Circuit Shape:SAW

  • Data Rate:8Kbps

  • Supply Voltage:1.5~ 12 V

  • Current:23mA(5V);40mA(9V); 53mA(12V)

  • Power:10dBm(5V) ; 14.5dBm(9V) ; 20dBm(12V)

  • Power Supply and All Input / Output Pins:-0.3 ~ 12.0 V

  • Non-Operating Case Temperature:-40 ~ +75℃

  • Soldering Temperature:230℃ ( 10 Seconds)

  • Simple To Apply with Low External Count

  • High Sensitivity Passive Design. 

RatingValueUnit
Power Supply and All Input/Output Pins-0.3 ~ +12.0V
Non-Operating Case Temperature-40 ~ +75℃
Soldering Temperature (10 seconds)230℃


ParameterSymMinTypMaxUnit
Operating Frequency (±250KHz)Vcc303.575303.875304.175MHz
Data RateASK

8KKbps
Transmitter Performance




Peak Input Current,12 Vdc SupplyITP

53mA
Peak Output Power (16.6dBm)PO
1040mW
Turn On/ Turn Off TimeT ON/T OFF

40US
Power Supply Voltage RangeVcc1.5
12VDC
Operating Ambient TemperatureTA-40
+75℃
Tx Antenna Out (3V) +2.4dBmVcc


mA 


TransmitterReceiverDistance
TWS-DS-1RWS-375-1(303.875MHz)500M
TWS-DS-1RWS-374-1(303.875MHz)500M
TWS-DS-1RWS-371-1(303.875MHz)500M
TWS-DS-1RWS-371F-1(303.875MHz)500M


1530781351395806.png


TWS-DS-2 310MHz

  • Frequency Range:310MHz

  • Modulate Mode:ASK

  • Circuit Shape:SAW

  • Data Rate:8Kbps

  • Supply Voltage:1.5~ 12 V

  • Current:23mA(5V);40mA(9V); 53mA(12V)

  • Power:10dBm(5V) ; 14.5dBm(9V) ; 20dBm(12V)

  • Power Supply and All Input / Output Pins:-0.3 ~ 12.0 V

  • Non-Operating Case Temperature:-40 ~ +75℃

  • Soldering Temperature:230℃ ( 10 Seconds)

  • Simple To Apply with Low External Count

  • High Sensitivity Passive Design. 

RatingValueUnit
Power Supply and All Input/Output Pins-0.3 ~ +12.0V
Non-Operating Case Temperature-40 ~ +75℃
Soldering Temperature (10 seconds)230℃


ParameterSymMinTypMaxUnit
Operating Frequency (±250KHz)Vcc309.700310.000310.300MHz
Data RateASK

8KKbps
Transmitter Performance




Peak Input Current,12 Vdc SupplyITP

53mA
Peak Output Power (16.6dBm)PO
1040mW
Turn On/ Turn Off TimeT ON/T OFF

40US
Power Supply Voltage RangeVcc1.5
12VDC
Operating Ambient TemperatureTA-40
+75℃
Tx Antenna Out (3V) +2.4dBmVcc


mA 


TransmitterReceiverDistance
TWS-DS-2RWS-375-2(310MHz)500M
TWS-DS-2RWS-374-2(310MHz)500M
TWS-DS-2RWS-371-2(310MHz)500M
TWS-DS-2RWS-371F-2(310MHz)500M

1530781351395806.png


TWS-DS-3 315MHz

  • Frequency Range:315MHz

  • Modulate Mode:ASK

  • Circuit Shape:SAW

  • Data Rate:8Kbps

  • Supply Voltage:1.5~ 12 V

  • Current:23mA(5V);40mA(9V); 53mA(12V)

  • Power:10dBm(5V) ; 14.5dBm(9V) ; 20dBm(12V)

  • Power Supply and All Input / Output Pins:-0.3 ~ 12.0 V

  • Non-Operating Case Temperature:-40 ~ +75℃

  • Soldering Temperature:230℃ ( 10 Seconds)

  • Simple To Apply with Low External Count

  • High Sensitivity Passive Design. 

RatingValueUnit
Power Supply and All Input/Output Pins-0.3 ~ +12.0V
Non-Operating Case Temperature-40 ~ +75℃
Soldering Temperature (10 seconds)230℃


ParameterSymMinTypMaxUnit
Operating Frequency (±250KHz)Vcc314.700315.000315.300MHz
Data RateASK

8KKbps
Transmitter Performance




Peak Input Current,12 Vdc SupplyITP

53mA
Peak Output Power (16.6dBm)PO
1040mW
Turn On/ Turn Off TimeT ON/T OFF

40US
Power Supply Voltage RangeVcc1.5
12VDC
Operating Ambient TemperatureTA-40
+75℃
Tx Antenna Out (3V) +2.4dBmVcc


mA 


TransmitterReceiverDistance
TWS-DS-3RWS-434N-3(315MHz)500M
TWS-DS-3RWS-375-3(315MHz)500M
TWS-DS-3RWS-374-3(315MHz)500M
TWS-DS-3RWS-371-3(315MHz)500M
TWS-DS-3RWS-371F-3(315MHz)500M


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TWS-DS-4 318MHz

  • Frequency Range:318MHz

  • Modulate Mode:ASK

  • Circuit Shape:SAW

  • Data Rate:8Kbps

  • Supply Voltage:1.5~ 12 V

  • Current:23mA(5V);40mA(9V); 53mA(12V)

  • Power:10dBm(5V) ; 14.5dBm(9V) ; 20dBm(12V)

  • Power Supply and All Input / Output Pins:-0.3 ~ 12.0 V

  • Non-Operating Case Temperature:-40 ~ +75℃

  • Soldering Temperature:230℃ ( 10 Seconds)

  • Simple To Apply with Low External Count

  • High Sensitivity Passive Design. 

RatingValueUnit
Power Supply and All Input/Output Pins-0.3 ~ +12.0V
Non-Operating Case Temperature-40 ~ +75℃
Soldering Temperature (10 seconds)230℃


ParameterSymMinTypMaxUnit
Operating Frequency (±250KHz)Vcc317.700318.000318.300MHz
Data RateASK

8KKbps
Transmitter Performance




Peak Input Current,12 Vdc SupplyITP

53mA
Peak Output Power (16.6dBm)PO
1040mW
Turn On/ Turn Off TimeT ON/T OFF

40US
Power Supply Voltage RangeVcc1.5
12VDC
Operating Ambient TemperatureTA-40
+75℃
Tx Antenna Out (3V) +2.4dBmVcc


mA