Specifications
OG_STD-302N-R_v15e  Circuit Design, Inc. 
4
OPERATION GUIDE
SPECIFICATIONS  
STD-302N-R 434 MHz All ratings at 25 +/-10 °C unless otherwise noted 
General characteristics
Item Units MIN TYP MAX  Remarks 
Applicable standard    EN 300 220   
Communication method    Simplex, Half-duplex   
Emission class    F1D   
Operating frequency range  MHz  433.050   434.775  
Operation temperature range  °C  -20    60  No dew condensation 
Storage temperature range  °C  -30    75  No dew condensation 
Aging rate  ppm  -1    1  TX freq., RX Lo freq. 
Initial frequency tolerance  ppm  -1.5    1.5  TX freq., RX Lo freq. 
Dimensions  mm  30 x 50 x 9 mm  Not including antenna 
Weight g 25 g  
Electrical specification <Common> 
Item MIN TYP MAX Remarks 
Oscillation type    PLL controlled VCO   
Frequency stability (-20 to 60°C)  ppm  -4    4  Reference frequency at 25 °C 
TX/RX switching time  ms    15  20  DI/DO 
Channel step  kHz    25     
Data rate  bps  2400    9600  DO/DI 
Max. pulse width  ms      15  DO/DI 
Min. pulse width  us  100      DO/DI 
Data polarity    Positive  DO/DI 
PLL reference frequency  MHz    21.25    TCXO 
PLL response  ms    30  60  from PLL setting to LD out 
Antenna impedance  Ω  50   Nominal 
Operating voltage  V  3.0    5.5   
TX consumption current  mA    44  48  Vcc = 3.0 V 
RX consumption current  mA    26  30  Vcc = 3.0 V 
Transmitter part
Item MIN TYP MAX Remarks 
RF output power  mW    10    Conducted 50 Ω 
Deviation  kHz  2.35  2.75  3.15  PN9 9600 bps 
DI input level  V  0    5.5  L= GND, H = 3 V- Vcc 
Residual FM noise  kHz    0.17    DI=L, LPF=20 kHz 
 -54 
47-74, 87.5-118, 174-230, 470-862 MHz 
    -36  Other frequencies below 1000 MHz 
Spurious emission  dBm 
    -30  Frequencies above 1000 MHz 
Adjacent CH power  dBm      -37  PN9 9600 bps CH25kHz/BW16kHz 










