Instruction Manual

1-2
TDFM-136, P/N 981087-2 (5V) RED display and 5 Volt back lighting.
Both P/N's 981087-1 and 981087-2 are always provided with 28 Volt back lighting unless a
specific request is made for 5 Volt AC operation.
1.5 TECHNICAL CHARACTERISTICS
Specification Characteristic
GENERAL
Model Designation: TDFM-136
Frequency Range: 136.000 to 174.000 MHz
Operating Modes: P25 CAI and conventional analog
12.5/25 kHz conventional analog
12 KBPS FSK, 9.6 KBPS C4FM
Channel Spacing: 25 or 12.5 kHz
Physical Dimensions (including heatsink): Approx. 8.0" X 3.0" X 5.75"
Weight: Approx. 3.5 Lbs (1.6 Kg)
Mounting: Panel Mount via Dzus fastners
Operating Temperature Range: -45EC to +70EC
Power Requirement:
Voltage: 28.0 Vdc, ± 15%
Current: Receive - 0.7 A Max.
1 Watt Transmit - 1.3 A Max.
8-10 Watt Transmit - 2.0 A Max.
Frequency Selection: 150 memories programmed with:
a) Tx Frequency/Rx Frequency
b) Tx/Rx CTCSS tone or DPL code
c) 9 character alpha numeric title
Guard Receiver: 2 channels programmed with:
a) Tx Frequency/Rx Frequency
b) Tx CTCSS tone or DPL code
c) 9 character alpha numeric title
CTCSS squelch/encoder: All CTCSS tones available
DPL digital squelch/encoder: All standard DPL codes
DTMF encoder: All standard DTMF tones
Audio Output: 0.5 Watts into 600 ohms
Speaker Output: 2.5 Watts min. into 4 ohms
Back Lighting: 28 Volts (standard) or
5 Volts (specify)