User's Manual

APPLIED TECHNOLOGY SOLUTIONS, INC.
DOCUMENT: fcc1250MAN.wpd ISSUED:jan99 REVISED: (ORIGINAL) PAGE: 2
RF CHARACTERISTICS
Channels: One (1), Factory set
Channel Options Compatibility
Channel A: Direct and repeater
Channel B: Direct
RF Power Output: 25 mW
Frequency Stability: ±100 ppm @ -25° C to +68°
C
Spurious and Harmonic
Attenuation: 25 dBc
Modulation: Direct sequence spread
spectrum
PN Sequence Length: 33,554,401 bits
ANTENNA
Naked Flatpack: External, 50 Ω
Stand Alone: Integral
AUDIO CHARACTERISTICS
Frequency Response: ±6 dB, 300-5800 Hz
Mic Audio Processing: Dual Time Constant AGC
Dynamic Range: 55 dB, minimum
Audio Encoding: CVSD
Sampling Rate: 62.9 KHz
Data Scrambling: 13 bit linear auto key
Microphone
Internal: Knowles EK series
External: input compatible with Knowles
electret, such as EA or EK
series
CONNECTIONS
Ext. Mic/Power: Microtech DR-4S-4-PC
Shorting Plug: Tibbets SP-1
Antenna: MMCX Jack
POWER
Naked Flatpack
Power Source: External, 5.0 to 7.5 VDC @
115 mA
Stand Alone
Power Source: One Mallory 7K-6V alkaline
battery
Operating Time: 1.5 hours, typical
Power Source: 4 AAA alkaline battery
Operating Time: 6.5 hours, typical
With Model 1250-09 Power Converter
Power Source: External, 6 to 15 VDC, 65
mA @ 12 VDC, typical
SIZE
Naked Flatpack: 2.4" X 1.4" X 0.35"
Model 1250-05: 4.5" X 1.75" X 0.4"
Model 1250-45: 4" X 2.6" X 0.65"
ENVIRONMENTAL
Operating Temp.: -25° C to +68° C
Storage Temp.: -40° C to +85° C