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  4. WA-TX-03S , WA-RX-03S
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Wireless module product information, such as a wireless modem - CIRCUIT DESIGN,INC.

Specifications

WA-TX-03S , WA-RX-03S

Common  
Item Specification
Compatible standard EN 301 357 (RED compliant)
Frequency range 863 – 865 MHz
Number of channels 15 (125 kHz step)
Emission class F3E
Operating distance 50 m (Line-of-sight)
S/N ratio 90 dB or more (W/IHF-A Filter)
Audio Frequency response 50 Hz to 13 kHz (+/- 3.5 dB)
T.H.D 2%(@AF 1kHz, Dev.=20 kHz)
Emphasis 50 us
Operating temperature 0 to 50 degree C
   
Transmitter Part
Oscillation type Crystal based PLL oscillation
RF Power 5 mW / 10 mW (e.r.p)
Frequency stability +/- 15 kHz
Noise reduction Compander
Spurious emission 1 uW Max
Deviation 20 kHz (1 kHz @ -25 dBv)
Audio input level - 113 to - 13 dBv (1 kHz)
Audio input impedance 12 kohm or more
Maximum DC input to AF input 7 V DC max.
Supply voltage 4.2 to 6 V *1
Consumption current 50 mA at 5 mW
60 mA at 10 mW
STB (open): < 1 mA
Dimensions 36 x 26 x 8 mm
Weight 13 g
*1 Supply voltage: 3.6 to 7 V
Possible operating range without meeting full specifications.
   
Receiver Part
Receiver type Single super heterodyne
Local oscillation type Crystal based PLL oscillation
IF frequency 10.7MHz
Noise reduction type Expander
Receiver sensitivity 21 dBuV (-92 dBm) - S/N 55 dB
Squelch sensitivity Adjustable (by external VR)
Audio output level -10dBv (Dev. 20 kHz)
Audio output impedance 20 kohm or less
Supply voltage 3 to 5 V
Current consumption 45 mA
Dimensions (W x D x H) 36 x 26 x 8 mm
Weight 13 g
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