UHF-FM Miniature PLL-Receiver 70RX-M2

The UHF receiver 70RX-M2 was designed as follover of the reliable 70RX-M1 for all discerning applications of the wireless data- and analog signal communication and beats him in nearly all items. At the same time the case becomes 25% slimmer and the input voltage range was expanded.

We deliver the 70RX-M2 by default with 139 different frequencies for the european ISM band within a 12.5KHz raster. The module is optionally available for the frequency range from 250 to 550 MHz. Please ask for your desired frequency. The module can be reprogrammed during service within a range of +-2MHz without any changes.

To optimize the radio reception the Mute and RSSi signal are now available at the same time. Therefore the localization of the best position of the module is very easy.

The excellent RF sensitivity offers a long distance signal transmission. In combination with our 10mW transmitter-modules 70TX-M2 or 70TX-S1 you can build a perfect radio system in simplex- or half-duplex mode. Together with our remote control unit FSM24 you can reach 2000 m and more at free sight.

The direct audio signal output doesn`t restrict its use for any kind of coding. Any type of recommendable signal can be used, even direct audio signals, e.g. speech. The 4th order butterworth filter eliminates noise- and disturb signals with high efficiency.



Features

- Narrow band single channel transmitter receiver
- very small size
- low current consumption
- Data rate up to 9600 Baud
- No licence required
- Compliance to R&TTE ( 99/5/EG ), EN 300 220
- FCC and Canada approvals projected



Applications

- Remote control systems
- Data communication
- Industrial applications
- Telemetry systems
- Alarm systems
- Security systems

 

 

Specifications:

Datasheet

Dimensions and pin-description

Communication Simplex
Frequency range 433,0625 – 434,7875 MHz     ( 12,5 / 25 KHz spacing )
Optional frequency range 250 – 550 MHz    spacing on customer request
Number of channels 1     reprogrammable during service
Modulation FM narrow band     analog and digital
Receiver type Double Superhet
Sensitivity at least –121dBm for 12dB SINAD ( CCITT filtered )
Mirror rejection Typical 60 dB
Spurious Response Rejection Better than 75 dB
Blocking Better than 80 dB
Intermodulation Typical 55 dB
Selectivity 15 KHz Channelbandwidth
NF-output 0.8VPP inverted ( optional non-inverted )
Data rate DC – 5 KHz ( 9600 Baud )
Temperature range -25°C  -  +75°C     Optional -40°C  -  +80°C with TCXO
Supply voltage 3.3 - 14V     max. 3.1 - 15V
Supply current < 23mA ( ± 2mA )
Startup Time < 10ms ( Power On )    < 2ms ( Standby 1 ), < 10ms ( Standby 2 )
Dimensions 49,2 x 24,9 x 9,7 mm   with lashes 60,0 x 24,9 x 9,7 mm
Weight 19g
Material Stainless steel with M3 mounting lashes
Antenna Λ/4 – whip antenna (Teflon)
Outputs Mute, RSSI
Approvals R&TTE ( EN 300 220 )     Europe( 433,0625 – 434,7875 MHz )
  FCC / CAN projected