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Last modified 2026-01-01

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TriSquare TSX300 "eXRS"

A picture of TriSquare TSX300 ''eXRS''

SPECIFICATIONS

GENERAL
Type:License-free "902-928 MHz USA" transceiver
Frequency range: TX: 906.275-923.750 MHz
RX: 161.650-163.275 / 906.275-923.750 MHz
Channels / tuning steps:Channelized (25 KHz raster)
Frequency stability:? ppm
Mode: FM with FHSS (400 ms hop rate, 50 frequencies per channel from a pool of 700)
FM no FHSS for NOAA weather channels
Memory channels / management: 1 billion "talk channels" (Hop sets)
10 NOAA weather channels
Repeater shift / offset:Simplex only
Power supply:4.5-4.8 VDC (NiMH battery pack or three LR6 / AA alkaline batteries)
Current drain / power consumption:RX: ? mA
TX: ? mA
Antenna impedance / connector:Non-removable antenna
Dimensions (W*H*D):51*121*32 mm (2*4.75*1.25")
Weight:113 g (4 oz), without batteries
Other features: VOX. Group or private call. Text messaging. Backlit display and keypad.
Contact list. Vibralert. Pager. Caller ID. 5 ringtones. Roger beep.
Cloning.




RECEIVER SECTION
Receiver system: ?
Sensitivity: FM FHSS: 0.14 uV (12 dB SINAD)
NOAA WX: 0.28 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity: FM FHSS: 50 dB (Adjacent channel)
NOAA WX: 60 dB (Adjacent channel)
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:1 W (ERP)
Modulation system:
Max FM deviation (Factory set):±4 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2007-2011 (Discontinued)
Additional info: FCC ID: O9GTSX300
Related documents: User manual (2.8 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
TSC1-AC
TSC1-DC
TSX-BP
TSX-HS1
Wall adapter
Dual desktop charger
NiMH battery pack. 4.8 V, 750 mAh
VOX/PTT headset