Technical data

Technical Datasheet
&
User’s Manual
Narrowband multi-channel data radio modem
LinkWiser-S400M Rev. 2.1
Cellution Inc.
#317, NKIC, 48-84 Honguen-1dong, Seodaemun-gu, Seoul, Korea Zip: 120-760
Enquiries: sales@cellution.co.kr
/ support@cellution.co.kr
Voice: +82-2-3217-4838 / Fax: +82-2-3217-4831
7
8. MAXIMUM RATINGS
Operating temperature -30°C to +80°C
Storage temperature -40°C to +85°C
LinkWiser™-S400M Rev. 2.1
VCC (pin 1, 2) 6.5VDC ~24VDC
9. SPECIFICATIONS
Parameter Rating Conditions
General characteristics
Communication method Half-duplex
Oscillation type
PLL Controlled
VCO
Operating frequency range 400~470MHz *see frequency table at 12-4-1
Channel step 12.5KHz
OBW (Occupied Band Width) <8.5KHz @ 12.5KHz w 4.8kbps
Frequency stability +/- 2.0 ppm -30 to +80 °C
Air data rate 4.8kbps @ GFSK w 12.5KHz
PLL LOCK TIME (free to RX) <50us
(RX to TX) <80us
Operating voltage range 3.6V +/- 10%
Dimensions
See the below
dimension
Transmitter part
RF output power (E.R.P)
+10dBm +/- 1
dBm
Max. 13dBm available on request
TX S/N -40 dBc
Spurious emission -40 dBc < 1 GHz
-55 dBc > 1 GHz
Adjacent channel leakage
power
-37 dBc
Consumption current 63 mA @ +10dBm of Tx output power
Receiver part
Input sensitivity at Bit error
rate
-113 dBm @ 4.8kbps, w 12.5Khz channel step
Distortion -30 dB
Spurious emission -40 dBc
Consumption current
Less than 53 mA
Less than 65 mA
(ext. LNA off) - default
(ext. LNA active)
Less than 23 mA
Sleep Mode*
Sleep Mode @ RTC active*
Note: * the radio section is disabling in the sleep mode.
10. DIMENSION
120 (H) x 60 (W) x 27 (D) mm