MSC-5100 MSC-5200 MSC-5500 Service Pack Access (basic) Mobility Access (basic) Mobility Access (basic) Mobility Services - WLAN Mgmt   and Control - Guest   Access - WLAN Mgmt   and Control - Guest   Access - Roaming - WLAN Mgmt   and Control - Guest   Access - WLAN Mgmt   and Control - Guest   Access - Roaming - WLAN Mgmt   and Control - Guest   Access - WLAN Mgmt   and Control - Guest   Access - Roaming Scalability Max MAPs Networked (controlled/ autonomous) 802.11 a/b/g: 10/unlimited 802.11n: 10/unlimited 802.11 a/b/g: 40/unlimited 802.11n: 40/unlimited 802.11 a/b/g: 200/unlimited 802.11n: 200/unlimited Simultaneous users Unlimited Unlimited Unlimited Network Ports (2) Auto-sensing 802.3 10/100/1000/BASE-T (1) DB-9 male serial port (2) Auto-sensing 802.3 10/100/1000/BASE-T (2)Expansion ports (reserved) (1) DB-9 male serial port (2) Auto-sensing 802.3 10/100/1000/BASE-T (1) RJ-45 series port Overall Physical Dimensions H: 4.4 cm (1.74 in); L: 19.1 cm (7.5 in); W: 25.4 cm (10.0 in); Shipping Weight: 2.72 Kg (6 lbs) H: 4.4 cm (1.73 in); L: 36.0 cm (14.17 in); W: 42.8 cm (16.87 in); Shipping Weight: 9.8 Kg (21.59 lbs) H: 4.4 cm (1.73 in); L: 43.7 cm (17.2 in); W: 42.8 cm (16.87 in); Shipping Weight: 16 Kg (35 lbs) Simultaneous guest access users 100 500 2000