Model no.	IpAccess ref.	Description
	108B	1800MHz single-TRX BTS GPRS - OLD
	108D	1800MHz multi-TRX nanoBTS
139U	108DU	1800MHz multi-TRX nanoBTS
	108E	1900MHz multi-TRX nanoBTS
	108EF	1900MHz multi-TRX nanoBTS
	108ER012	1900MHz multi-TRX nanoBTS
178U	108GU	900MHz BTS RoHS-compliant
	108H	850MHz BTS - pre-release product
	108HU	850MHz BTS - pre-release product
165AU	165AU	1800MHz EDGE BTS
	165B	1900MHz EDGE BTS
	165BU	1900MHz EDGE BTS
	165CU	900MHz BTS
	165DU	850MHz BTS
	165GU	1800MHz BTS
	165HU	1900MHz BTS
	165 E012	1800MHz extended temperature EDGE BTS Pre Custom
	165FM	1900MHz temperature-hardened EDGE BTS module

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Ciphering on nanoBTS is depending on the installed software.

If you have a model 139/140 and the software is 120a... the A5/1 and A5/2 encryption is available;

120b... is A5/2 only and 120c... there is no encryption available.

When you have a model 108/110 the software should start with 119 and with model 165 it starts with 168.