Midland Syn-Tech III P25 - Table 2-5: Syn-Tech III P25 Portable Radio Transmitter Specifications

SYN-TECH III P25 PORTABLE RADIO
SERVICE MANUAL
2-4
Table 2-5: Syn-Tech III P25 Portable Radio Transmitter Specifications
VHF UHF
Frequency Range 136-174MHz
380-470MHz
450-512MHz
Frequency Separation Full Band split
Channel Spacing 12.5 / 25 kHz
Frequency Step 2.5 / 3.125kHz
Rated RF Output Power * 0.2–5 W 0.2–5 W
Frequency Stability *
(-30°C / +60°C; 25°C ref)
± 2.5ppm ± 1.5ppm
Modulation Limiting *
Analog 25 kHz channel
Analog 12.5 kHz channel
± 5.0kHz
± 2.5kHz
C4FM Modulation Fidelity **
RMS Error
C4FM Deviation
 2.5%
1800 ±100Hz
Spurious Emissions *
(Conducted and Radiated)
 -70dBc
Audio Frequency Response *
(6dB/Octave Pre-emphasis
from 300 to 3000Hz)
+1, -3dB
Hum and Noise Ratio
Analog 25kHz channel *
Analog 12.5kHz channel *
 52dB
 46dB
 46dB
 40dB
Audio Distortion *  2%
* Measured in the analog mode per EIA-603 under nominal conditions.
** Measured in the digital mode per TIA-102.CAAA under nominal conditions.