SmartTrunk Systems ST-2112D, Service Manual, Page: 5 / 55

1. Specifications:
SPECIFICATION ST-2112C
G
EN
ER
A
L
Frequency Range [Mhz] 450 TO 520
Channels 512
Groups/Banks 64
Power [Vdc] 6.4 to 8.8
Dimensions [mm] 130(H)x36(D)x52(W)
Weight [gr] (oz) 320 - (11.3)
Temperature range - 30 °C ~ 60 °C (-22°F ~ +140°F)
Signaling 51 CTCSS tones / 183 DCS tones / 65534 SDR IDs
Reverse Burst No
Display 128x64 (supports international characters)
Emergency call Yes
GPS Option
Channel Scan Yes
BCLO / BTLO Yes
Power Saver control Yes
TOT Yes
Radio Kill/Alive Yes
Adjustable Power Selection Auto + H/M/L
Key lock Yes
Adjustable Squelch Level 16 Step
Password Yes
Key Function selection Yes
TR
A
N
SM
IT
MAX RF power 4 W
Frequency Stability >1PPM
Bandwidth [Khz] 6.25/12.5/25
Adjacent Channel Power -65dBC (typ)
SNR 45dB typ
Analog harmonic distortion 3% typ (AF 1Khz, 60% deviation)
Data transmit rate 2400/4800/9600 bps
Max frequency deviation 2.5Khz@12.5Khz BW/5Khz@25Khz BW
Analog Modulation type 11K0F3E, 25K0F3E
TDMA Emissions 8K30F7E, 8K30F7D
FDMA Digital emissions 6K25F1E, 6K25F1D, 8K30F1E, 8K30F1D, 8K30F1W
Ext. Mic. Impedance 600 Ohms
R
EC
EI
V
ER
Analog Sensitivity 0.25uV (12dB Sinad)
Digital Sensitivity 0.25uV (3% BER)
Image rejection 60dB typ
Adjacent Channel selectivity 65dB typ @25KHz BW
HUM and NOISE ratio 45dB
Speaker Audio Power 1W
External audio power 1W
Specifications subject to change without notice or obligation