1. HOME
  2. Products
  3. Transmitter/Receiver
  4. CDP-TX-07M(P), CDP-RX-07M(P)
  5. Specification

Wireless module product information, such as a wireless modem - CIRCUIT DESIGN,INC.

Specifications

CDP-TX-07M(P), CDP-RX-07M(P) 434 MHz

Transmitter Part  
Item Specification
Model 434 MHz
Communication form One way
Oscillation system Crystal based PLL oscillation
Number of channels 4*
Frequency 434.075
  433.920
  434.600
  434.700
Frequency stability +/- 2.5 kHz (-20 to 65 degree C / Reference at 25 degree C)
Aging rate Max. +/- 1 ppm / year
Initial Freq. tolerance Max. +/- 1.5 ppm
(within 1 year after the final adjustment)
Pulse width Min. 208 us / Max. 20 ms
Data rate 100 - 4,800 bps
Operating temp. range -20 to +65 degree C
RF output power < 10 mW
Transmitter start up time < 20 ms
Modulation FM narrow
Modulation Polarity Positive
Deviation +/- 3.0 KHz
Spurious emission < -54 dBm (< 862 MHz)
< -36 dBm (< 862-1000 MHz)
< -30 dBm (> 1000 MHz)
Adjacent channel power < -37 dBm (200 nW) (4800PN code CH=25 kHz)
Supply voltage 2.2 to 5.5 V
Supply current 20 mA
I / O terminals CDP-TX-07M: RF out, Gnd, Vcc, Data In, (JP1 / JP2)
CDP-TX-07MP: RF out, Gnd, Vcc, Data In, Mode, S1, S2
Dimension 22 x 12 x 4.5 mm
Weight 2 g

*CDP-TX-07MP: Each of the 4 preset channels are reprogrammable using values chosen from a frequency table containing 67 values that consists of 433.920 MHz and values from 434.075 to 434.700 MHz with 25 kHz spacing. To reprogram the preset channels, a dedicated setting program is provided.

Receiver Part  
Model 434 MHz
Receiver type Double superheterodyne
Receiver category 1
Oscillation system Crystal based PLL oscillation
Number of channels 4*
Frequency 434.075
433.920
434.600
434.700
Frequency stability +/- 2.5 kHz (-20 to 65 degree C / Reference at 25 degree C)
Aging rate Max. +/- 1 ppm / year
Initial Freq. tolerance Max. +/- 1.5 ppm
(within 1 year after the final adjustment)
Pulse width Min. 208 us / Max. 20 ms
Data rate 100 - 4,800 bps
Operating temp. range -20 to +65 degree C
Demodulation FM Narrow
Sensitivity(12dB / SINAD at CCITT filter) -120 dBm
Selectivity +/-5 kHz at- 6 dB point
Adjacent ch selectivity 60 dB
Spurious radiations < -60 dBm
Distortion (AF out) <5% at 1kHz
S/N ratio (AF out) 45 dB
AF output level (Fm = 1kHz) -10.5 dBm (Fmod = +/- 3 kHz)
Data output Digital output, pulled up to Vcc (22 kohm)
Other outputs RSSI, AF
Supply Voltage 3.0 to 14 V DC
Supply current 23 mA (typ at 3 V)
I/O terminals CDP-RX-07M: Ant, Gnd, Vcc, Data out, AF out, RSSI out, Power Control, (JP1 / JP2)
CDP-RX-07MP: Ant, Gnd, Vcc, Data out, AF out, RSSI out, Power Control, Mode, S1,S2
Dimensions 36 X 26 X 8 mm
Weight 13 g

*CDP-RX-07MP: Each of the 4 preset channels are reprogrammable using values chosen from a frequency table containing 67 values that consists of 433.920 MHz and values from 434.075 to 434.700 MHz with 25 kHz spacing. To reprogram the preset channels, a dedicated setting program is provided.

Back to top of the page