Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    434MHZ RF TRANSMITTER AND RECEIVER MODULE Search Results

    434MHZ RF TRANSMITTER AND RECEIVER MODULE Result Highlights (6)

    Part ECAD Model Manufacturer Description Download Buy
    TPD4207F Toshiba Electronic Devices & Storage Corporation Intelligent power device 600V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation
    TPD4204F Toshiba Electronic Devices & Storage Corporation Intelligent power device 600V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation
    TPD4162F Toshiba Electronic Devices & Storage Corporation Intelligent power device 600V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation
    TPD4206F Toshiba Electronic Devices & Storage Corporation Intelligent power device 500V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation
    MG250YD2YMS3 Toshiba Electronic Devices & Storage Corporation N-ch SiC MOSFET Module, 2200 V, 250 A, 2-153A1A Visit Toshiba Electronic Devices & Storage Corporation
    MG800FXF1ZMS3 Toshiba Electronic Devices & Storage Corporation N-ch SiC MOSFET Module, 3300 V, 800 A, iXPLV, High-side: SiC MOSFET、Low-side: SiC SBD Visit Toshiba Electronic Devices & Storage Corporation

    434MHZ RF TRANSMITTER AND RECEIVER MODULE Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    RF MODULE 434Mhz

    Abstract: circuit diagram for simple RF transmitter 868mhz circuit diagram of rf transmitter and receiver long distance RF remote control circuit diagram CDP-TX-04S mobile MOTHERBOARD CIRCUIT diagram uhf pcb antenna FM radio CIRcuit pcb fm based short range wireless communication tx 434 rf module pin 6
    Text: CDP-TX-04S UHF FM-NARROW BAND RADIO DATA MODULE Operation Guide Version 1.0 July 2000 CIRCUIT DESIGN, INC., International Business Division 7557-1 Hotaka, Hotaka-machi, Minamiazumi, Nagano 399-8303. JAPAN Tel: + +(0263)-82-1010 Fax: + +(0263)-82-1016 e-mail cdint@po.circuitdesign.co.jp


    Original     		PDF CDP-TX-04S CDP-TX-04S RF MODULE 434Mhz circuit diagram for simple RF transmitter 868mhz circuit diagram of rf transmitter and receiver long distance RF remote control circuit diagram mobile MOTHERBOARD CIRCUIT diagram uhf pcb antenna FM radio CIRcuit pcb fm based short range wireless communication tx 434 rf module pin 6

    rohs rf module 434mhz

    Abstract: CDP-TX-02E CDP-RX-02EP-R circuit diagram for detecting objects by using rf FM RADIO TRANSMITTER AND RECEIVER RF MODULE 434Mhz RX 434 RF MODULE 434Mhz ROHS 434MHZ ANT-LEA-01 CDP-TX-02E-R
    Text: OPERATION GUIDE UHF Narrow band radio data module CDP-TX/RX-02E-R 434 MHz Operation Guide Version 1.2 Mar. 2008 CIRCUIT DESIGN, INC., 7557-1 Hotaka, Azumino Nagano 399-8303 JAPAN Tel: + +81-(0)263-82-1024 Fax: + +81-(0)263-82-1016 e-mail: info@circuitdesign.jp


    Original     		PDF CDP-TX/RX-02E-R cdt21 CDP-02E-R CDP-TX-02E RPB-T02N-1 rohs rf module 434mhz CDP-RX-02EP-R circuit diagram for detecting objects by using rf FM RADIO TRANSMITTER AND RECEIVER RF MODULE 434Mhz RX 434 RF MODULE 434Mhz ROHS 434MHZ ANT-LEA-01 CDP-TX-02E-R

    circuit diagram of wireless door lock system

    Abstract: 433.92 MHZ RF RECEIVER MODULE RF MODULE 434Mhz rf transmitter receiver 434 module RF receiver MODULE CIRCUIT DIAGRAM RF MODULE CIRCUIT DIAGRAM 434 mhz rf receiver module 434 MHz circuit diagram of high power fm transmitter 300m antenna 433MHZ PCB circuit diagram of rf transmitter and receiver in
    Text: QM Receiver Module QFMR2-XXX & QFMR3-XXX Features • MINIATURE SIL PACKAGE • UNIQUE QM QUASI AM/FM DESIGN • SELECTIVE FRONT END FILTERS TO HELP COMBAT INTERFERENCE Ø QFMR2 UTILISES PASSIVE FRONT END FILTER Ø • • • • • • • • QFMR3 UTILISES SAW FRONT END


    Original     		PDF 10KBITS/S 20KHz QFMR2-418 QFMR2-434 QFMR2-868 QFMR3-418 QFMR3-434 QFMR3-868 418MHz 434MHz circuit diagram of wireless door lock system 433.92 MHZ RF RECEIVER MODULE RF MODULE 434Mhz rf transmitter receiver 434 module RF receiver MODULE CIRCUIT DIAGRAM RF MODULE CIRCUIT DIAGRAM 434 mhz rf receiver module 434 MHz circuit diagram of high power fm transmitter 300m antenna 433MHZ PCB circuit diagram of rf transmitter and receiver in

    ask 315mhz Receiver

    Abstract: TXH20 CMOS decade counter TRF-11 315mhz receiver
    Text: 19-3685; Rev 2; 11/10 KIT ATION EVALU E L B A AVAIL Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm ask 315mhz Receiver TXH20 CMOS decade counter TRF-11 315mhz receiver

    fsk modulation using ic 555

    Abstract: fsk modulation and demodulation using 555 433mhz transmitter CDP-TX-02A CDP-02A low frequency transmitter and receiver circuit CDP-RX-02A fsk modulation using 555 CDP-RX-02 9 volt PP3 battery
    Text: LPRS Data Sheet Circuit Design CDP-02A 458MHz 433MHz UHF Narrow Band Radio Data Modules CDP-TX-02A Transmitter, CDP-RX-02A Receiver Operation Guide & Application Notes Features • • • • Very small compact integrated device with PLL synthesiser and microcontroller.


    Original     		PDF CDP-02A 458MHz 433MHz) CDP-TX-02A CDP-RX-02A MPT1329 CDP-TX-02A CDP-RX-02A CDP-01 CDP-02 fsk modulation using ic 555 fsk modulation and demodulation using 555 433mhz transmitter CDP-02A low frequency transmitter and receiver circuit fsk modulation using 555 CDP-RX-02 9 volt PP3 battery

    simple FM receiver CIRCUIT DIAGRAM and specification

    Abstract: RADIO RECEIVER IC UHF circuit diagram of rf transmitter and receiver long distance CDP-RX-03AS RADIO fm RECEIVER IC UHF circuit diagram for simple receiver circuit diagram for simple RF transmitter 868mhz RF MODULE 434Mhz, fsk PCB antenna 868MHZ
    Text: CDP-RX-03AS CDP-RX-03AS UHF FM-NARROW BAND RADIO DATA RECEIVER Operation Guide Version 2.1 Nov. 2001 CIRCUIT DESIGN, INC., International Business Division 7557-1 Hotaka, Hotaka-machi, Minamiazumi, Nagano 399-8303. JAPAN Tel: + +(0263)-82-1024 Fax: + +(0263)-82-1016


    Original     		PDF CDP-RX-03AS 434MHz 868MHz CDP-RX-03AS simple FM receiver CIRCUIT DIAGRAM and specification RADIO RECEIVER IC UHF circuit diagram of rf transmitter and receiver long distance RADIO fm RECEIVER IC UHF circuit diagram for simple receiver circuit diagram for simple RF transmitter 868mhz RF MODULE 434Mhz, fsk PCB antenna 868MHZ

    UHF FM receiver

    Abstract: RF MODULE 434Mhz FM receiver CIRCUIT DIAGRAM and specification RADIO RECEIVER IC UHF uhf pcb antenna metal detector plans IC TX 434 antenna 434MHz RADIO fm RECEIVER IC UHF 868Mhz saw
    Text: CDP-RX-03AS CDP-RX-03AS UHF FM-NARROW BAND RADIO DATA RECEIVER Operation Guide Version 2.0 February 2001 CIRCUIT DESIGN, INC., International Business Division 7557-1 Hotaka, Hotaka-machi, Minamiazumi, Nagano 399-8303. JAPAN Tel: + +(0263)-82-1024 Fax: + +(0263)-82-1016


    Original     		PDF CDP-RX-03AS 434MHz 868MHz CDP-RX-03AS UHF FM receiver RF MODULE 434Mhz FM receiver CIRCUIT DIAGRAM and specification RADIO RECEIVER IC UHF uhf pcb antenna metal detector plans IC TX 434 antenna 434MHz RADIO fm RECEIVER IC UHF 868Mhz saw

    CDP-TX-05M-R

    Abstract: RX 434 RF MODULE 434Mhz CDP-RX-05M-R 434 MHZ RF transmitter MODULE RX 434 RF RECEIVER 434mhz rf transmitter and receiver module
    Text: OPERATION GUIDE. UHF Narrow band radio data module CDP-TX-05M-R 434/869 MHz CDP-RX-05M-R 434/869 MHz Operation Guide Version 1.0 Aug. 2009 CIRCUIT DESIGN, INC., 7557-1 Hotaka, Azumino Nagano 399-8303 JAPAN Tel: + +81-(0)263-82-1024 Fax: + +81-(0)263-82-1016


    Original     		PDF CDP-TX-05M-R CDP-RX-05M-R CDP-05M-R CDP-TX/RX-05M-R 434/869MHz RX 434 RF MODULE 434Mhz 434 MHZ RF transmitter MODULE RX 434 RF RECEIVER 434mhz rf transmitter and receiver module

    434mhz ask transmitter and receiver module

    Abstract: antenna 434MHz 434MHZ transmitter MAX7032 rx2 433 160 trf 510 transistor 433 mhz ask rf module PLL FSK DEMODULATOR pll fsk MODULATOR ASK 315MHZ
    Text: 19-3685; Rev 0; 5/05 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps Manchester encoded or


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm 434mhz ask transmitter and receiver module antenna 434MHz 434MHZ transmitter rx2 433 160 trf 510 transistor 433 mhz ask rf module PLL FSK DEMODULATOR pll fsk MODULATOR ASK 315MHZ

    MAX7032ATJ

    Abstract: 0603CS LQW18A MAX7030 MAX7032 FSK 315MHZ ROHS 434MHZ
    Text: 19-3685; Rev 2; 11/10 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm MAX7032ATJ 0603CS LQW18A MAX7030 FSK 315MHZ ROHS 434MHZ

    434MHZ transmitter

    Abstract: MAX7030 PLL FSK DEMODULATOR 0603CS LQW18A MAX7032 MAX7032ATJ FSK 315MHZ Sallen-Key ROHS 434MHZ
    Text: 19-3685; Rev 1; 6/09 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps Manchester encoded or


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm 434MHZ transmitter MAX7030 PLL FSK DEMODULATOR 0603CS LQW18A MAX7032ATJ FSK 315MHZ Sallen-Key ROHS 434MHZ

    434MHZ transmitter

    Abstract: 43392 PLL FSK DEMODULATOR 0603CS LQW18A MAX7030 MAX7032 MAX7032ATJ ASK 315MHZ
    Text: 19-3685; Rev 1; 6/09 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps Manchester encoded or


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm 434MHZ transmitter 43392 PLL FSK DEMODULATOR 0603CS LQW18A MAX7030 MAX7032ATJ ASK 315MHZ

    ask 315mhz Receiver

    Abstract: ASK-315MHZ T MAX7032EVSYS-433 trf 510 transistor MAX7032A MAX7032EVKIT-433
    Text: 19-3685; Rev 0; 5/05 Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL The MAX7032 crystal-based, fractional-N transceiver is designed to transmit and receive ASK/OOK or FSK data in the 300MHz to 450MHz frequency range with data rates up to 33kbps Manchester encoded or


    Original     		PDF MAX7032 300MHz 450MHz 33kbps 66kbps 10dBm -114dBm -110dBm ask 315mhz Receiver ASK-315MHZ T MAX7032EVSYS-433 trf 510 transistor MAX7032A MAX7032EVKIT-433

    microprocessor in radio transmitters

    Abstract: rx 434 TRANSMITTER 434mhz rf transmitter and receiver module fm transmitter 300m range RF MODULE 434Mhz receiver superheterodyne fm radio tx 434 TRANSMITTER RX 434 RF RECEIVER 434MHZ transmitter 434mhz fm transmitter and receiver
    Text: UHF Narrow Band Multi Channel Transmitter/Receiver CDP-TX-02N/ CDP-RX-02N The unique and compact CDP-02N is a frequency selectable radio data module for 434MHz UHF band. Both CDP-TX-02N transmitter and CDP-RX-02N (receiver) are equipped by frequency synthesizer system with


    Original     		PDF CDP-TX-02N/ CDP-RX-02N CDP-02N 434MHz CDP-TX-02N 875MHz 650MHz microprocessor in radio transmitters rx 434 TRANSMITTER 434mhz rf transmitter and receiver module fm transmitter 300m range RF MODULE 434Mhz receiver superheterodyne fm radio tx 434 TRANSMITTER RX 434 RF RECEIVER 434MHZ transmitter 434mhz fm transmitter and receiver

    434mhz rf transmitter and receiver module

    Abstract: fm transmitter 300m range microprocessor in radio transmitters switch 02N X band transmitter 434MHZ transmitter CDP-RX-02N CDP-TX-02N EN300-220 4 channel RF transmitter and Receiver circuit
    Text: UHF Narrow Band Multi Channel Transmitter/Receiver CDP-TX-02N/ CDP-RX-02N The unique and compact CDP-02N is a frequency selectable radio data module for 434MHz UHF band. Both CDP-TX-02N transmitter and CDP-RX-02N (receiver) are equipped by frequency synthesizer system with


    Original     		PDF CDP-TX-02N/ CDP-RX-02N CDP-02N 434MHz CDP-TX-02N 875MHz 650MHz 434mhz rf transmitter and receiver module fm transmitter 300m range microprocessor in radio transmitters switch 02N X band transmitter 434MHZ transmitter CDP-RX-02N CDP-TX-02N EN300-220 4 channel RF transmitter and Receiver circuit

    Infineon TDA5235

    Abstract: TDA7210 TRX 434 transmitter TRX 434 RF TRANSMITTER in circuit TRX 434 RF TRANSMITTER 434MHZ transmitter RX 434 RF MODULE 434Mhz wireless receiver using tda5210 rx 434 ask TRANSMITTER module trx 434 rf module
    Text: Make Your Application Wireless Sub 1GHz RF Solutions www.infineon.com/wirelesscontrol Contents 2 Overview 5 Transmitter 6 Transmitter + Microcontroller 8 Receiver 9 Transceiver 12 Development Tooling 14 Application Examples 17 Make Your Application Wireless


    Original     		PDF 100kbit/s) Infineon TDA5235 TDA7210 TRX 434 transmitter TRX 434 RF TRANSMITTER in circuit TRX 434 RF TRANSMITTER 434MHZ transmitter RX 434 RF MODULE 434Mhz wireless receiver using tda5210 rx 434 ask TRANSMITTER module trx 434 rf module

    RF loop antenna

    Abstract: nAN400-03 small loop antenna nAN400-04 RF MODULE 434Mhz PCB Antenna matching antenna 434MHz uhf loop antenna NRF0433 nRF401
    Text: APPLICATION NOTE Small loop antennas 1. nAN400-03 General For RF designers developing low-power radio devices for short-range applications, antenna design has become an important issue for the total radio system design. Taking the demand for small size and low cost into account in the development of


    Original     		PDF nAN400-03 N-7075 RF loop antenna nAN400-03 small loop antenna nAN400-04 RF MODULE 434Mhz PCB Antenna matching antenna 434MHz uhf loop antenna NRF0433 nRF401

    RF MODULE 434Mhz

    Abstract: rX-433 MICRF600 MICRF610 MICRF620 RFB433B RFB868B RFB915B RF MODULE 434Mhz, fsk RFB915
    Text: MICRF620 434MHz ISM Band Transceiver Module General Description The MICRF620 is a self-contained frequency shift keying FSK transceiver module, intended for use in half-duplex, bidirectional RF links. The multi-channeled FSK transceiver module is intended for UHF radio equipment in


    Original     		PDF MICRF620 434MHz MICRF620 EN300 M9999-120205 RF MODULE 434Mhz rX-433 MICRF600 MICRF610 RFB433B RFB868B RFB915B RF MODULE 434Mhz, fsk RFB915

    434mhz rf transmitter and receiver module

    Abstract: ER400TRS ER900 max232 application 433 mhz rf amplifier module ER900RS ER900TRS ER900TS notes on serial communication MAX232 ERRATA-003
    Text: LPRS Data Sheet Easy-Radio ‘02’ 2nd Generation Modules ER400TS Transmitter, ER400RS Receiver & ER400TRS Transceiver ER900TS Transmitter, ER900RS Receiver & ER900TRS Transceiver Low Power Radio Solutions Ltd “ERx00-02 Series Data Sheet (Rev 2.4).pdf”


    Original     		PDF ER400TS ER400RS ER400TRS ER900TS ER900RS ER900TRS ERx00-02 ER400TS-02 ER400RS-02 ER400TRS-02 434mhz rf transmitter and receiver module ER900 max232 application 433 mhz rf amplifier module notes on serial communication MAX232 ERRATA-003

    circuit diagram of rf transmitter and receiver

    Abstract: ER900 5 channel RF transmitter and Receiver circuit rf traNsmitter receiver 433mhz rf traNsmitter receiver 433mhz 12v rf transmitter receiver 434 module long range transmitter receiver circuit diagram rf traNsmitter receiver 433mhz 3v long range transmitter receiver circuit rf traNsmitter receiver circuit
    Text: LPRS Data Sheet Easy-Radio ‘02’ 2nd Generation Modules ER400TS Transmitter, ER400RS Receiver & ER400TRS Transceiver ER900TS Transmitter, ER900RS Receiver & ER900TRS Transceiver Low Power Radio Solutions Ltd “ERx00-02 Series Data Sheet (Rev 2.3).pdf”


    Original     		PDF ER400TS ER400RS ER400TRS ER900TS ER900RS ER900TRS ERx00-02 ER400TS-02 ER400RS-02 ER400TRS-02 circuit diagram of rf transmitter and receiver ER900 5 channel RF transmitter and Receiver circuit rf traNsmitter receiver 433mhz rf traNsmitter receiver 433mhz 12v rf transmitter receiver 434 module long range transmitter receiver circuit diagram rf traNsmitter receiver 433mhz 3v long range transmitter receiver circuit rf traNsmitter receiver circuit

    RF MODULE 434Mhz

    Abstract: A 434 RF Receiver TRANSMITTER PAIR RX-434 433 to 450 mhz rf amplifier module micrel TX 433 MHz layout RF MODULE 434Mhz, fsk rX-433 MICRF600 MICRF610 MICRF620
    Text: MICRF620 434MHz ISM Band Transceiver Module General Description The MICRF620 is a self-contained frequency shift keying FSK transceiver module, intended for use in half-duplex, bidirectional RF links. The multi-channeled FSK transceiver module is intended for UHF radio equipment in


    Original     		PDF MICRF620 434MHz MICRF620 EN300 M9999-120205 RF MODULE 434Mhz A 434 RF Receiver TRANSMITTER PAIR RX-434 433 to 450 mhz rf amplifier module micrel TX 433 MHz layout RF MODULE 434Mhz, fsk rX-433 MICRF600 MICRF610

    ER900

    Abstract: ER900TRS ER900RS ER400RS ER400RS-02 ERx00TRS-02 max232 application ER400TRS notes on serial communication MAX232 er900rs-02
    Text: LPRS Data Sheet Easy-Radio ‘02’ 2nd Generation Modules ER400TS Transmitter, ER400RS Receiver & ER400TRS Transceiver ER900TS Transmitter, ER900RS Receiver & ER900TRS Transceiver Low Power Radio Solutions Ltd For difference between RS4408852 (old) and RS133759 (new)


    Original     		PDF ER400TS ER400RS ER400TRS ER900TS ER900RS ER900TRS RS4408852 RS133759 ERx00-02 ER400TS-02 ER900 ER400RS-02 ERx00TRS-02 max232 application notes on serial communication MAX232 er900rs-02

    433.92 MHZ RF transmitter MODULE

    Abstract: 433MHz transmitter and receiver module 434 MHZ RF transmitter MODULE "am transmitter" 433.92 MHZ RF transmitter MODULE 8 pin 433Mhz Wireless RF Transmitter and Receiver Module antenna 433MHZ PCB 433.92 MHZ AM transmitter MODULE 433.92 MHZ RF MODULE rf transmitter receiver 434 module
    Text: AM Transmitter Module QAMT2-XXX Features • MINIATURE TWO PIN PACKAGE • SAW RESONATOR 100% AM MODULATION • DATA RATES UP TO 2400 BITS/S • OPTIMAL RANGE 100m 433.92 MHz Version • • • • 433.92 / 868 / 916 MHz VERSIONS CMOS/TTL COMPATIBLE INPUT


    Original     		PDF QAMT2-434 QAMT2-868 QAMT2-916 434MHz 868MHz 916MHz 433.92 MHZ RF transmitter MODULE 433MHz transmitter and receiver module 434 MHZ RF transmitter MODULE "am transmitter" 433.92 MHZ RF transmitter MODULE 8 pin 433Mhz Wireless RF Transmitter and Receiver Module antenna 433MHZ PCB 433.92 MHZ AM transmitter MODULE 433.92 MHZ RF MODULE rf transmitter receiver 434 module

    "am transmitter"

    Abstract: 418mhz transmitter 434MHZ transmitter antenna 433MHZ PCB Quasar 433.92 MHZ RF transmitter MODULE 433.92 loop antenna QAMT2-868 RF MODULE 434Mhz antenna 868MHZ PCB
    Text: AM Transmitter Module QAMT2-XXX Features • MINIATURE TWO PIN PACKAGE • SAW RESONATOR 100% AM MODULATION • DATA RATES UP TO 2400 BITS/S • OPTIMAL RANGE 100m 433.92 MHz Version • 418 / 433.92 / 868 MHz VERSIONS • CMOS/TTL COMPATIBLE INPUT • LOW CURRENT CONSUMPTION (typ. 5mA)


    OCR Scan     		PDF 868MHz QAMT2-418 418MHz QAMT2-434 434MHz QAMT2-868 0JUL99 "am transmitter" 418mhz transmitter 434MHZ transmitter antenna 433MHZ PCB Quasar 433.92 MHZ RF transmitter MODULE 433.92 loop antenna RF MODULE 434Mhz antenna 868MHZ PCB