the Trimble GPS's sensitivity better than M12m 20dB, please check last picture, the Trimble GPS receiver may track the GPS within 2 minutes (original M12m GPS will be very slow for the tracking, several hours maybe);
also please check the second picture for 100s sample (100 times) short term test result, frequecmy peak to peak value, Allan dev and Stardard dev.
please check the datasheet with Google from Fei-Zyfer web site, but I can not find the user guide for GPStarplus 565, only find the GPStarplus 365, operating is same, you can refer it;
the unit is Made in USA from 2008-2014;
you can get 10MHz 5MHz or 1MHz for the 3 output port (default setting), also you can set all ports as 10MHz, just by you;
the I/O port of the GPStarplus 565 is a DB25 port, which include 2 RS-232 port combined, one is for control command (3 pins), one is for TOD stream (2 pins).
the auction include:
one used FEI-ZYFER GPStarplus 565-210-01;
one new Trimble GPS mag antenna (with 5 meters cable), trimble 56237 gps antenna, gain 27dBi, cable loss 5dB;
one new USB to RS232 adapter (with 0.5m cable)
one new DB15 connector
one softcopy for how to connect the GPStarplus 565 to a PC.
3 months warranty, if it can not working, we can replaced it immediately.
ship to US 48 states in free.
if you want to ship internationally, please check the last picture, ebay will help you ship to your country (I will ship to US airport Hub), if your country not in the ebay list, I have no way. it is a cheap kit, I have no time ship it internationally direct to you.
Tip:
when you received the kit, the GPS antenna head put in outside of your house, then connect to the TNC connector of the 565, power the 565, wait 10 seconds to start, when started, push the digit "2" once, wait 2 seconds, you will get the satellite status, S means syc, A means acquire, if tracked, the sign will be as signal strengh; push digit "1" once, back to main screen, the OCXO warm up about 10-30 minutes.