| STD-302N-R
869MHz |
|
| Item |
Specification |
|
Common
|
| Communication
form |
Half-duplex |
| Frequency |
868
to 870 MHz |
| Channel
step |
25
kHz Channel programmable
(PLL
IC:Fujitsu MB15E03) |
| Frequency
stability |
+/-
3.4 ppm (-10 to + 55 degree C)
+/-
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 |
46mA
(TX) 28mA (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 |
5
mW at 50 ohm |
| Deviation |
2.75
kHz (PN9,
9600bps) |
| DI
input level |
L
= GND, H = 3 V to Vcc |
| Residual
FM noise |
0.35
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 |
-
116 dBm (12 dB SINAD) |
| |
-
113 dBm (BER 1%) |
| |
-
107 dBm (0 error / 2556 bits) |
| Spurious
response rejection |
60
dB ( 1st Mix), 60 dB (2nd Mix) |
| Adjacent
CH selectivity |
45
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 |
|
|
|
|
|
|
|
