APRS Tracker Capabilities
| Tracker | NMEA Sentences | Garmin | Smart Beaconing | Timeslotting | Fixed Position | Source Available | Flash Updates | Weather | Telemetry | Temperature Sensor | Voltage Sensor | Timestamp | Waypoint Output | Profiles | Compressed Format | Mic-E Format | Transmit on PTT | 300 Baud | OpenTRAC Protocol | Power Req. | Price (USD) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TinyTrak3 | GGA, RMC | No | Yes | Yes | No | No | No | Yes [1] | No | No | No | Yes | No | 2 | No | Yes | Yes | Yes | No | $30 | |
| HamHUD II | ? | ? | Yes | ? | ? | Yes | Yes | No | No | No | No | Yes | ? | 1 | ? | ? | ? | ? | No | $ | |
| KPC-3+ | Any [2] | No | No | No | Yes | No | No | Yes [2] | Yes | No | No | Yes | No | 1 | No | No | No | No | No | $186 | |
| OpenTracker | GGA, RMC, GLL | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | 2 | Yes | No | Yes | Yes | Yes | 110 mW | $29 |
| microTNT | GGA, RMC | No | Yes | No | No | No | Yes | No | No | No | No | No | Soon | 1 | No | Yes | ? | No | No | ? | $99 |
| TigerTrak TM-1+ | Any [2] | No | No | Yes | No | Yes | No | No | 10 | No | Yes | Yes | No | < 540 mW | $110 | ||||||
| Anti-Tracker | Yes [1] | N/A | N/A | N/A | Yes | No | No | No | No | No | N/A | Yes | N/A | No | Yes | N/A | No | No | DIY | ||
| Son of TinyTrak | No | Yes | No | No | No | No | No | No | No | No | $0 [3] | ||||||||||
| PicoPacket | ? | ? | ? | ? | ? | No | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | No | $169 | |
| MIM | Yes | Yes | No | No | No | 180 mW? | $79 | ||||||||||||||
| MIC-E | Yes | Yes | No | No | N/A | ||||||||||||||||
| PIC-E | No | No | $65 |
[1] - Available with alternate firmware / paid upgrade
[2] - Transmits raw strings with specified headers
[3] - Firmware replacement for TinyTrak
NMEA Sentnences - NMEA sentences the unit will parse from a GPS receiver.
Garmin - Will the unit connect to a GPS receiver using the Garmin protocol?
SmartBeaconing - Adaptive beacon rate support.
Timeslotting - Ability to transmit only in assigned time slots.
Fixed Position - Will unit transmit fixed coordinates with no GPS?
Source Available - Is the source code available for modification?
Flash Updates - Can the firmware be updated without removing chips?
Weather - Does the unit support weather station operation?
Telemetry - Can the unit report analog telemetry values or switch settings?
Temperature Sensor - Does the unit have a build-in temperature sensor?
Voltage Sensor - Can the unit report its supply voltage?
Timestamp - Can the unit provide timestamps on transmissions?
Waypoint Output - Does the unit have the ability to send received stations as waypoints to a GPS?
Profiles - How many configuration profiles can the device store?
Compressed Format - Does the unit support APRS Compressed format?
Mic-E Format - Does the unit support APRS Mic-E encoding?
Transmit on PTT - Can the unit function as a mic encoder and transmit when PTT is pressed?
300 Baud - Will the unit transmit at 300 baud for HF?
OpenTRAC Protocol - Does the unit support OpenTRAC protocol transmissions?
Power Req. - Average power consumption of device in mW.
Price - Price, in USD, of least expensive model available.