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Fox Hunt Transmitter - FoxUino

Vendor: HamRadioKits Canada
Regular price: $125.00
Sale price: $125.00
Regular price
Unit price: per

2 Meter VHF, Arduino controlled, small, portable and self powered 2 meter fox hunt transmitter. Up to 1.5 Watt of RF power output. No additional radio required! Set your parameters like beacon/message, call sign, transmit time and pause time from your phone, tablet or any Computer via USB to TTL Serial *. Transmit frequency change requires additional hardware but possible to change on the go with additional tools (screw driver, USB to TTL adapter, OTG cable)

FoxUnio comes in a Spruce Tree Green, Snow White or Night Black coloured 3D printed Enclosure. The green colour will make it great for hiding the transmitter in grass, trees or any imaginable place you can think of. New added white colour will make it great for the upcoming winter season!

Enclosure has two holes to install a string and hang it anywhere. Also, a 1/4-20 UNC thread on the bottom of the enclosure is included to mount it on a tripod or any standard 1/4-20 screw. (see second picture)

Printed Circuit Board (PCB) measures 86.6mm x 44.5mm.

Available as kit (assembly required) or fully assembled and ready to go.

Kit assembly takes about 30 minutes. All you need is a soldering iron, some solder and flux, side cutters and a small screw driver.

Specifications:

2 power outputs: AVG LOW - 200 milliwatts; HIGH - 1.5 Watts

BNC antenna connector

LGDAS31865 3.6V 18650 Li-ion battery (2200mAh) included. Cell specifications in pictures

On board power and charging circuit. No need to replaced batteries!

Overcharge, Over-discharge, Over-current protection

1 Amp Battery charging capable

4 Battery LED's, each representing 25% state of charge

1 Power ON LED indicator

144MHz to 148MHz frequency coverage

VBAT	MIN: 3.0 V; MAX: 4.4V
VIN	MIN: 4.65V; MAX: 5.5V
ICHRG	Typ 1.0A
Load current	Typ 2.1A MAX
Current draw HIGH	Typ 1.35 A
Current draw LOW	Typ 500mA
Current draw Standby	Typ 200mA
Current draw Stby w. relay	Typ 230mA
Run Time 50% Duty Cycle	1 min ON - 1 min OFF
Low Power	5 Hours
High Power	2 Hrs 20 min
Run Time 40% Duty Cylce	2 min ON - 3 min OFF
High Power	2 Hrs 45 min
Charge time @ 1 AMP	2.5 Hours
Spurious Emissions	30dB or better

Operation:

Control transmitter via DTMF. Change power output via DTMF as well.

Once turned on, transceiver is listing for DTMF input.

DTMF #1: Selects low power out put and will start the TX loop. It will play a melody and beacon/ID for the set amount off time, then will rest for set amount of time.

DTMF#3: Same as #1 but with high output power.

DMTF#2: Disables HIGH power mode - implemented if FOX is left for some time in standby to safe power consumption.

Any other number will disable TX loop and set transceiver in standby mode until further DTMF command is received.

Included battery cell has been harvested from medical devices and are grade A cells. Batteries like these haven't seen any cycles and are like new. That will keep cost low and we show something good for our world! All the cells have been tested and read 100% of its capacity. Cells have been re-wrapped and tested all individually!

The very last pictures shows an example of an tested cell.

Transmit and receive frequency can be set independently as well via USB to serial communication. An detailed manual is included with every transmitter.

* an OTG (On The Go) cable might be required for your type of phone and/or tablet. Mini-B USB Cable is Required for FoxUino ( not included )

Sorry, iPhones and iPads are not able to communicate with the FoxUino at this time