iv Specifications and Accessories
RECEIVER 'A' (2M only)
Receive Frequency Range:
IF Frequencies:
Sensitivity:
Selectivity:
Adjacent Channel Rejection:
IMD (in band) and Spurious Responses:
Squelch Sensitivity:
IF Rejection:
Image Rejection:
Audio Power Output:
TRANSMITTER
Transmit Frequency Range:
Transmit Power Output:
Modulation Mode:
Deviation, max.:
Spurious Emissions:
Microphone Impedance:
Protection:
GENERAL
Antenna 2 Preamp Power:
Packet Data Rate:
Antenna Impedance:
Memory Channels:
Tuning Steps:
/
Frequency Stability:
Voltage Requirement:
Current Requirement, receive:
Current Requirement, transmit:
Operating Temperature:
Case Size:
Weight:
RECEIVER 'B' (wide coverage)
Receive Frequency Range:
IF Frequencies:
Sensitivity:
Selectivity:
Adjacent Channel Rejection:
IMD: (in-band):
IF Rejection:
Image Rejection:
144.00 - 148.00 MHz (142 - 150 MHz reduced specifications)*
1st IF: 10.7 MHz
2nd IF: 455 kHz
<0.18
µ
V, 12dB SINAD (144 - 148 MHz)
12 kHz min. @ -6 dB
-75 dB min. @ ± 20 kHz
-80 dB min. @ ± 25 kHz
-80 dB min.
<0.10
µ
V
-80 dB min.
-80 dB min.
2W into 8 Ohms @ less than 5% distortion.
144.00 - 148.00 MHz (142 - 150 MHz reduced specifications)*
1/10/25 Watts (144 to 148 MHz)
16KF3E Frequency Modulation.
5 kHz peak.
-60 dBc (-80 dBc in-band).
500 Ohms.
Overtemperature and high VSWR.
13.6 VDC nominal @ 100 mA
1200/9600 bps (G3RUH compatible)
50 Ohms
400 total: 100 (00-99) each receiver, A and B.
100 SAT mode
100 WXSAT mode
5, 10, 12.5, 15, 20, 25 kHz, 1 MHz (
/
buttons only).
±5ppm (0
0
C
to +40
0
C)
±10ppm (-10
0
C to +50
0
C)
115 or 230 VAC ± 10%, 50/60 Hz, 75 Watts or
11 - 16 VDC, negative Ground.
13.6 VDC @ 1.2A, nominal.
13.6 VDC @ 8A max. (high power RF output).
-10
0
C to +50
0
C ambient.
Width 11", Height 4-3/4", Depth 13-1/2"
13 lbs. (5.9 Kg.)
136 - 174 MHz and 420 - 470 MHz
1st IF: 18 MHz
2nd IF: 455 kHz
0.25
µ
V/12 dB SINAD
15 kHz or 40 kHz @ -6 dB, selectable.
-60 dB min. @ ± 25 kHz, N BW
-75 dB min. @ ± 50 kHz, W BW or N BW
-75 dB min.
75 dB min.
60 dB min.
ACCESSORIES FOR THE TR270:
TNC270 module
DEMOD270 module
Carrying handle
*142 - 150 MHz operation with proof of MARS or CAP license.
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