General
Type
Frequency Range
Channel Spacing
No of Channels
CTCSS Codes
DCS Codes
Dimensions
Complies with
Power Supply
Type
Power Source
Operating Time
Receiver
Type
Usable Sensitivity:
Maximum Audio Output:
Modulation Distortion:
Transmitter
Type
Transmit Power:
Note: Specifications are typical unless otherwise indicated and may be subject to
change without notice or obligation.
TX677 Instruction Manual
SPECIFICATIONS
Description
476.425 – 477.4125 MHz
12.5 kHz
80, (75 voice, 2 telemetry RX only, 3 for future use).
50
104
(W x H x D): 52 mm x 90 mm x 36 mm (without antenna)
AS/NZS 4365: 2011
Description
Li-ion rechargeable – 3.7V DC, 1600 mA
14 Hours (High Power)
20 Hours (Low Power)
(Transmit 5%, Receive 5%, Standby 90%)
Description
-121 dBm
>0.5 watt max. (8 Ohm)
<5% (1 kHz 70%)
Description
Hi: 1.8 watts
Lo: 0.5 watt
35