STD-302N-R 458 MHz

Item Specification Common Communication form Half-duplex Frequency 458.525 to 459.175 MHz Channel step 25 kHz Channel programmable  (PLL IC:Fujitsu MB15E03) Frequency stability +/- 4 ppm (-20 to + 60 degree C) Data rate 9,600 bps max  (Pulse width min. 100 us, max 15ms) PLL reference frequency 21.25 MHz (TCXO) PLL response 30 ms typ. (from PLL setting to LD out) Supply voltage 3.0 to 5.5 V Supply current 45mA (TX)  26mA (RX) Operating temperature range -20 to + 60 degree C  (Storage : -30 to + 75 degree C) TX / RX switching time 15 ms typ.  (DI vs valid DO at the same frequency) Dimension 30 * 50 * 9 mm Weight 25 g

Transmitter Part Transmitter type PLL synthesizer RF output power 10 mW at 50 ohm Deviation +/- 2.75 kHz  (PN9, 9600bps) DI input level L = GND, H = 3 V to Vcc Residual FM noise 0.17 kHz Spurious emission - 54 dBm    (47M-74M, 87.5M-118M, 174M-230M, 470M-862 MHz)   - 36 dBm  ( Other frequencies below 1000 MHz) 　 - 30 dBm (Frequencies above 1000 MHz) Adjacent CH leakage power -37 dBm  (CH 25kHz, BW = 16kHz, PN9, 9600bps)

Receiver Part Receiver type Double superheterodyne IF 21.7 MHz (1st), 450 kHz (2nd) Maximum input level 10 dBm Receiver sensitivity - 119 dBm (12 dB SINAD) 　 - 116 dBm (BER 1%) 　 - 110 dBm (0 error / 2556 bits) Spurious response rejection 65 dB ( 1st Mix), 60 dB (2nd Mix) Adjacent CH selectivity 50 dB ( +/- 25 kHz) Intermodulation 50 dB (f - 200 kHz + f - 100 kHz) Spurious radiation - 57 dBm (below 1000 MHz) - 47 dBm (above 1000 MHz) DO output level L = GND, H = 2.8 V