Polhemus driver. the sizing guides are also dependant on the number of functions being used on the UTM (IPS, email scanning, webfiltering etc)
the AP sizing/numbers is down to the 802.11 bandwidths and how many people an access the AP at any one point and how heavily they are hitting the AP's.etc etc
The Sophos UTM Wireless solution is designed to provide simple, secure wireless connectivity to users. The solution consists of plug and play access points and the Sophos UTM controller. This slide shows our Access Points (the AP 10 on the left and AP 30 on the right).- The AP 10 is for up to 10 users with a maximum throughput of 150 Mbit/s.
Geniatech driver. Sophos ap10 ap 10 Is Similar To: A50ztchau Sophos Ap 50 Wireless (49.4% similar) Part number: a50ztchau general power over ethernet poe authentication method radius height 11b, ieee watt type power injector over ethernet poe supported antenna qty 2 form factor external detachable interface provided 1 miscellaneous compliant standards etsi, rohs, weee encryption algorithm.(posted on November. Controls AP 10 Power (LED display) Off Power off On continuously Power on Blinking rapidly Firmware update Blinking slowly No connection to the Sophos UTM LAN connection (LED display) On continuously Network connection, no activity Blinking Network activity WLAN access (LED display) Power 10/100 Base-TX Reset On continuously Network connection. Free sophos home antivirus download includes a 30 day trial of Sophos Home Premium, with ransomware security, advanced phishing protection and more.
sizing guide is here.. http://www.astaro.org/attachments/german-forum/10279d1371629234-sophos-utm-9-1-sizing-guide-sizing-guide-sophos-utm_v9.1.zip (you'll need to sign into the community to get it).
I talked to a Sophos tech rep (not sales rep) and he helped me through the sizing exercise.