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Radio Transmitter - TLP434A

Our new Ultra Small Wireless Transmitter is ideal for remote control projects or data transfers to a remote object. Applications include mobile robots, burglar alarms, remote control and wireless data transfers. This compact unit operates from only 2V up to 12V. A range of up to 200m is possible with an antenna fitted. The unit can connect directly to a HT12E IC or similar encoder.
Part Code: TLP434A
Features
- Frequency - 433.92MHz
- Operating Voltage - 3 - 12 Vdc
- Data Rate - Up to 8K bps
- Works with HT12E or other Encoder
- Dimensions: Width - 10.3mm , Height - 13.3mm (Excluding Pins)
Radio Receiver - RLP434

Just released our new Compact Radio Receiver, works directly with the transmitter above on an operating frequency of 433.92MHz. Ideal for many applications, including robots, where commands can be sent directly to the robot, without the need for a hard-wired connection. Suitable for data rates of up to 4.8KHz, and the typical operating current is only 4.5mA.
Part Code: RLP434
Features
- Frequency - 433.92MHz
- Operating Voltage - 3.3 - 6 Vdc
- Data Rate - 4800 bps
- Works with HT12D or other Decoder
- Dimensions: Width - 43.4mm , Height - 11.5mm (Excluding Pins)
Radio Receiver - RLP434A

Improved SAW Based Receiver for greater frequency accuracy and stability. Range of up 100metres with improved data rates. Ideal for use with alarms and remote control devices.
Part Code: RLP434A
Features
- Frequency - 433.92MHz
- Operating Voltage - 3.3 - 6 Vdc
- Data Rate - 4800 bps
- Works with HT12D or other Decoder
- Dimensions: Width - 43.4mm , Height - 11.5mm (Excluding Pins)
Radio Data Transmitter - 433MHz

New wireless data transmitter for transferring large amounts of data wirelessly up to 300m. This compact easy to use unit connects directly to most microcontrollers with a standard SPI interface. FSK transmission with a PLL based tuner ensure reliable and accurate data transfer, with data transfer rates of up to 155K bps. Automatic antenna tuning and low power operation make this unit ideal for a wide range of applications.
Part Code: RFM02
Features
- Frequency - 433MHz
- FSK Transmission
- PLL Based
- Operating Voltage - 2.2 - 5.4 Vdc
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
Technical Data
Radio Data Transmitter - 433MHz

New wireless data transmitter with adjustable power output levels, ideal for use in small areas to reduce interference with other units. This compact easy to use radio transmitter module connects directly to most microcontrollers with a standard SPI interface. FSK transmission with a PLL based tuner ensure reliable and accurate data transfer, with data transfer rates of up to 256K bps. Output power is adjustable from -8dBm to +13dBm in 3dB steps. The unit also includes an integrated temperatur sensor and general purpose ADC for monitoring applications. Low power consumption with a low battery detector make this module ideal for use as a remote sensor.
Part Code: RFM43B-433
Features
- Frequency - 433MHz
- FSK Transmission
- PLL Based
- Output Power - -8dBm to +13dBm
- Operating Voltage - 1.8 - 3.6 Vdc
- High Data Rate - Up to 256 kbps
- Integral Temperature Sensor and 8-bit ADC
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 15.5mm, Width - 14mm , Height - 9mm (Including Pins)
Technical Data
Radio Data Receiver - 433MHz

New wireless data receiver for transferring large amounts of data wirelessly up to 300m. This compact easy to use unit connects directly to most microcontrollers with a standard SPI interface. FSK transmission with a PLL based tuner ensure reliable and accurate data transfer, with data transfer rates of up to 115K bps. Automatic antenna tuning and low power operation make this unit ideal for a wide range of applications.
Part Code: RFM01
Features
- Frequency - 433MHz
- FSK Reception
- PLL Based
- Operating Voltage - 2.2 - 5.4 Vdc
- Low Battery Detection
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Automatic Antenna Tuning
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
Technical Data
High Sensitivity Radio Data Receiver - 433MHz

New wireless data receiver for transferring large amounts of data wirelessly up to 800m. This compact easy to use unit connects directly to most microcontrollers with a standard SPI interface. FSK transmission with a PLL based tuner ensure reliable and accurate data transfer, with data transfer rates of up to 128K bps. Automatic antenna tuning and low power operation make this unit ideal for a wide range of applications.
Part Code: RFM31
Features
- Frequency - 433MHz
- Sensitivity - -118dBm
- FSK Reception
- PLL Based
- Operating Voltage - 1.8 - 3.6 Vdc
- Low Battery Detection
- High Data Rate - Up to 128K bps
- Range - Up to 800m
- Ultra Low Power Sleep Mode
- Automatic Antenna Tuning
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
Radio Data Transceiver - 433MHz

New high performance wireless data transceivers. Ideal for sending and receiving data wirelessly from a remote location up to 300m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM12
Features
- Frequency - 433MHz
- Output Power - 5dBm
- Sensitivity - -105dBm
- PLL Based
- Operating Voltage - 2.2 - 5.4 Vdc
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Rx and Tx Registers
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
Technical Data
Radio Data Transceiver - 433MHz

New high performance wireless data transceivers. Ideal for sending and receiving data wirelessly from a remote location up to 300m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM12B
Features
- Frequency - 433MHz
- Output Power - 5dBm
- Sensitivity - -105dBm
- PLL Based
- Operating Voltage - 2.2 - 3.8 Vdc
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Rx and Tx Registers
- Analog and Digital Signal Strength Indicators
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
Technical Data
Radio Data Transceiver - 433MHz

New high performance wireless data transceivers. Ideal for sending and receiving data wirelessly from a remote location up to 300m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM12B-S2
Features
- Frequency - 433MHz
- Output Power - 5dBm
- Sensitivity - -105dBm
- PLL Based
- Operating Voltage - 2.2 - 3.8 Vdc
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Rx and Tx Registers
- Analog and Digital Signal Strength Indicators
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 15.9mm, Width - 16.1mm , Height - 2.2mm
Technical Data
High Power Radio Data Transceiver - 433MHz

Just released new higher power wireless data transceivers, up to 17dBm. Ideal for sending and receiving data wirelessly from a remote location up to 800m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM22
Features
- Frequency - 433MHz
- Output Power - 17dBm
- Sensitivity - -118dBm
- PLL Based
- Operating Voltage - 1.8 - 3.6 Vdc
- High Data Rate - Up to 128K bps
- Range - Up to 800m
- Rx and Tx Registers
- Ultralow Power Sleep Mode
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
High Power Radio Data Transceiver - 433MHz

Just released new higher power wireless data transceivers, up to 20dBm. Ideal for sending and receiving data wirelessly from a remote location up to 800m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems. Module also includes an integral temperature sensor and 8-bit ADC. This transceiver is fully compliant with FCC Requirements.
Part Code: RFM22B-S2
Features
- Frequency - 433MHz
- Output Power - 20dBm
- Sensitivity - -121dBm
- PLL Based
- Operating Voltage - 1.8 - 3.6 Vdc
- High Data Rate - Up to 256K bps
- FCC Compliant
- Rx and Tx Registers
- Ultralow Power Sleep Mode
- Temperature Sensor and 8-bit ADC
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 16mm, Width - 16mm , Height - 1.9mm
High Power Radio Data Transceiver - 433MHz

Just released new higher power wireless data transceivers, up to 13dBm. Ideal for sending and receiving data wirelessly from a remote location up to 800m away in open air. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers with a standard SPI interface. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM23
Features
- Frequency - 433MHz
- Output Power - 13dBm
- Sensitivity - -118dBm
- PLL Based
- Operating Voltage - 2.2 - 3.8 Vdc
- High Data Rate - Up to 128K bps
- Range - Up to 800m
- Rx and Tx Registers
- Analog and Digital Signal Strength Indicators
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 18mm, Width - 14mm , Height - 9mm (Including Pins)
High Power, High Accuracy Radio Data Transceiver - 433MHz

New improved power Data Transceiver with 500mW output power. Ideal for sending and receiving data wirelessly from a remote location over a long distance. Highly accurate PLL based, with excellent data rates and on-board send and receive registers for easy data transfer. Connects directly to most microcontrollers. Low power consumption make the unit ideal for use with remote temperature monitoring points or for security systems.
Part Code: RFM12BP
Features
- Output Power - 500mW
- Frequency - 433MHz
- PLL Based
- Operating Voltage - 2.2 - 3.8 Vdc
- High Data Rate - Up to 115.2K bps
- Range - Up to 300m
- Rx and Tx Registers
- Analog and Digital Signal Strength Indicators
- Works with most Microcontrollers, standard SPI Interface
- Dimensions: Length - 40mm, Width - 20mm , Height - 5mm
Technical Data
Transparent Wireless Data Link - 433MHz - RS232 Interface

New standard RS232 Connection Transparent Wireless Data Link module. This compact inexpensive unit is ideal for direct connection to your computer or through a control system for wireless data transmissions between 2 points. The unit features highly accurate and reliable data transmission methods with high data rates and a large transmission range. Data rates and data formats can be set with Windows software. Connects directly to your computer with a standard RS232 interface. Ideal for computer based security systems, remote monitoring systems or data transfer between 2 computers wirelessly.
Part Code: HM-TR
Features
- Frequency - 433MHz
- Standard RS232 Interface
- Operating Voltage - 5.0 Vdc
- Selectable Data Rate
- Long Transmission Range
- Reliable FSK Technology Transmission
- Works directly with Computer RS232 Connection
- Dimensions: Length - 43mm, Width - 24mm , Height - 12mm
Technical Data
Transparent Wireless Data Link - 433MHz - TTL Interface

New standard TTL Connection Transparent Wireless Data Link module. This compact inexpensive unit is ideal for direct connection to your computer or through a control system for wireless data transmissions between 2 points. The unit features highly accurate and reliable data transmission methods with high data rates and a large transmission range. Data rates and data formats can be set with Windows software. Connects directly to your microcontroller with a standard 5V TTL interface. Ideal for transferring data between 2 microcontrollers or control systems.
Part Code: HM-TR-TTL
Features
- Frequency - 433MHz
- Standard 5V TTL Interface
- Operating Voltage - 5.0 Vdc
- Selectable Data Rate
- Long Transmission Range
- Reliable FSK Technology Transmission
- Works directly with all 5V Microcontrollers
- Dimensions: Length - 43mm, Width - 24mm , Height - 12mm
Technical Data
Transparent Wireless Data Link Antenna

Now available, high performance, optimized antenna for above transparent wireless data links. This antenna fixes directly to both wireless data links shown above and greatly improves the transmission range and reliability of the data reception.
Part Code: HM-TR-ANTENNA
Features
- Optimized for 433Mhz
- Greatly Improves Transmission Distance and Reliability
- Gold Connector
- Works with both Transparent Wireless Data Links Above
- Dimensions: Length - 105mm, Diameter - 12mm