Condensed specifications (All details are provisional)
Frequency Any 3MHz segment in 140 - 175MHz
Frequency stability
(TX and RX frequencies need not be the same)
+/-5ppm (better than 1.5kHz)
Channel spacing
Number of channels
12.5kHz / 20kHz / 25kHz (factory set)
8 parallel or 255 serial channels
Supply
Receive
Transmit:
5.0V regulated at 20mA
5.0V regulated at 280mA for 500mW output
-20 to +70 οC (Storage -30 to +70 οC)
Compliant with ETSI EN 300 220-3 and EN 301 489-3
Operating temperature
Spurious radiations
Interface
User
RF and TX supply
11 pin 0.1" pitch molex
5 pin 0.1" pitch molex
Recommended PCB hole size
Size
1.2mm (min.)
67 x 30 x 9mm
Transmitter
Output power
TX on switching time
Modulation type
TX modulation bandwidth
Deviation
+27dBm (500mW)
<50 ms
FM, FSK (F1D, F3D)
DC – 3kHz
3kHz ( 1.5kHz for 12.5kHz channel variant) nominal
-37dBm
<-40dBm
Data (CMOS/TTL compatible)
Adjacent channel TX power
TX spurii
Inputs
Receiver
Sensitivity
-118dBm for 12dB SINAD
-65dB
-86dB
image / spurious
blocking
adjacent channel
Outputs
-65dB (tested per ETSI EN300 086)
RSSI, Audio, Data
Radiometrix Ltd
SHX1 Data Sheet (preliminary)
page 6
RADIOMETRIX [ RADIOMETRIX LTD ]
