I used three phones. The Nokia N73 is a quad band GSM and UMTS 2100 3G
(2G Network GSM 850, GSM 900, GSM 1800, GSM 1900 3G Network UMTS 2100)
The Samsung i560 is a tri band GSM & UMTS 2100 3G phone
(2G Network GSM 900, GSM 1800, GSM 1900 3G Network UMTS 2100)
The Nokia 3120 classic is a quad band GSM & dual band 3G phone
(2G Network GSM 850, GSM 900, GSM 1800, GSM 1900 3G Network UMTS 900 UMTS 2100)

phone
(2G Network GSM 900, GSM 1800, GSM 1900 3G Network UMTS 2100)
The Nokia 3120 classic is a quad band GSM & dual band 3G phone
(2G Network GSM 850, GSM 900, GSM 1800, GSM 1900 3G Network UMTS 900 UMTS 2100)