Midland 70-1341, Service Manual

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GENERAL INFORMATION
70-1341/1344/1441/1444
DESCRIPTION
The 70-1341/1344/1441/1444 Midland Titan Series transceivers are programmable, frequency-synthesized, two-
way FM mobile radios that operate in high-band VHF frequency (150 — 174 MHz). They are programmable for
up to 120 channels (320 with optional kit). Transmit RF power is adjustable for 25 — 50 W.
MODEL NUMBERS
70-1341:
VHF Titan Mobile, Under-Dash Mount, Standard Control Head (with Internal Speaker)
70-1344: VHF Titan Mobile, Under-Dash Mount, Deluxe Control Head (with 70-2357 External Speaker)
70-1441: VHF Titan Mobile, Trunk Mount, Standard Control Head (with Internal Speaker)
70-1444: VHF Titan Mobile, Trunk Mount, Deluxe Control Head (with 70-2357 External Speaker)
SPECIFICATIONS
Refer to TIA/EIA-603 standards for measurement methods.
GENERAL
FREQUENCY RANGE: 150 — 174 MHz
CHANNEL SEPARATION: 24 MHz
CHANNEL SPACING: 12.5/30 kHz (selectable by channel)
CHANNEL STEPPING: 2.5 kHz/6.25 kHz
CHANNEL CAPACITY: Programmable for up to 120 channels, 320 optional
POWER SUPPLY: 13.6 V DC negative to ground
OPERATING VOLTAGE RANGE: 12.2 V — 15.0 V
CURRENTY DRAIN:
Transmit (at 50 W): 10.0 A
Receive (@rated audio): 2.5 A
Standby (std, varies with options): 400 mA
OPERATING TEMPERATURE RANGE: -30° C — +60° C
RELATIVE HUMIDITY: 90% @ 50° C ±2° C
DIMENSIONS (H x W x D): 69 mm x 184 mm x 222 mm (2.75 x 7.75 x 8.75 in)
WEIGHT: 2.7 kg (6 lb)
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