Bmobile

bmobile, is a Trinbagonian GSM/UMTS/LTE provider. Their PLMN is 374 12.

2G (GSM)

bmobile has deployed 2G GSM (EDGE) on the CLR (850 Mhz) band. GSM 1900 (PCS) has been refarmed to LTE.

3G (UMTS)

bmobile has deployed 3G UMTS (DC-HSPA+) on both the UMTS Band II and UMTS Band V. Note, 5 MHz of UMTS Band II has been refarmed to LTE.

4G (LTE)

bmobile has deployed 4G LTE (LTE-A) on the following bands: 2/4/28. They also have 256 QAM enabled on the network.

NOTE: bmobile has temporarily been given permission to broadcast AWS-1700 on 2050 and APT-700 on 9435. Listed below are the offical EARFCNs per the National PMTS Spectrum Plan.

Cell ID Layout (3 Sectors)

Sector ID	Frequency Band	EARFCN	Uplink	Downlink	Bandwidth	PCI	Direction
0	Band 2 1900	730	1863 MHz	1943 MHz	15 MHz	x	?
1						x+2	?
2						x+1	?
4	Band 28 700	9410	723 MHz	778 MHz	10 MHz	x	?
5						x+2	?
6						x+1	?
14	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	x	?
15						x+2	?
16						x+1	?

Cell ID Layout (6 Sectors)

Sector ID	Frequency Band	EARFCN	Uplink	Downlink	Bandwidth	PCI	Direction
0	Band 2 1900	730	1863 MHz	1943 MHz	15 MHz	x	?
1						x+2	?
2						x+1	?
4	Band 28 700	9410	723 MHz	778 MHz	10 MHz	x	?
5						x+2	?
6						x+1	?
8	Band 2 1900	730	1863 MHz	1943 MHz	15 MHz	y	?
9						y+2	?
10						y+1	?
14	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	x	?
15						x+2	?
16						x+1	?
17	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	y	?
18						y+2	?
19						y+1	?

It is currently unknown if bmobile has upgraded all six sectors on their sites with b28.

Cell ID Layout (High Capacity)

Sector ID	Frequency Band	EARFCN	Uplink	Downlink	Bandwidth	PCI	Direction
4	Band 28 700	9410	723 MHz	778 MHz	10 MHz	x	?
5						x+2	?
6						x+1	?
11	Band 2 1900	730	1863 MHz	1943 MHz	15 MHz	a	?
12						b	?
13						c	?
14	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	a	?
15						b	?
16						c	?
21	Band 2 1700	730	1863 MHz	1943 MHz	15 MHz	a+1	?
22						b+1	?
23						c+1	?
24	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	a+1	?
25						b+1	?
26						c+1	?
31	Band 2 1700	730	1863 MHz	1943 MHz	15 MHz	a+2	?
32						b+2	?
33						c+2	?
34	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	a+2	?
35						b+2	?
36						c+2	?
41	Band 2 1700	730	1863 MHz	1943 MHz	15 MHz	a+3	?
42						b+3	?
43						c+3	?
44	Band 4 1700	2025	1717.5 MHz	2117.5 MHz	15 MHz	a+3	?
45						b+3	?
46						c+3	?

2500 MHz FWA Cell Layout (3 Sectors)

Sector ID	Frequency Band	EARFCN	Uplink	Downlink	Bandwidth	PCI	Direction
11	Band 41 2500	39790	2510 MHz	2510 MHz	20 MHz	z	?
12						z+2	?
13						z+1	?
21	Band 41 2500	39990	2530 MHz	2530 MHz	20 MHz	z	?
22						z+2	?
23						z+1	?
31	Band 41 2500	40140	2545 MHz	2545 MHz	10 MHz	z	?
32						z+2	?
33						z+1	?

Carrier Aggregation

bmobile Supports Carrier Aggregation between Bands 2 & 28 (2A-28A) and 4 & 28 (4A-28A).