diff --git a/src/osmo_gsm_tester/srs_enb.py b/src/osmo_gsm_tester/srs_enb.py
new file mode 100644
index 0000000..2b65a5b
--- /dev/null
+++ b/src/osmo_gsm_tester/srs_enb.py
@@ -0,0 +1,197 @@
+# osmo_gsm_tester: specifics for running an SRS eNodeB process
+#
+# Copyright (C) 2020 by sysmocom - s.f.m.c. GmbH
+#
+# Author: Pau Espin Pedrol <pespin@sysmocom.de>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import pprint
+
+from . import log, util, config, template, process, remote
+
+class srsENB(log.Origin):
+
+    REMOTE_DIR = '/osmo-gsm-tester-srsenb'
+    BINFILE = 'srsenb'
+    CFGFILE = 'srsenb.conf'
+    CFGFILE_SIB = 'srsenb_sib.conf'
+    CFGFILE_RR = 'srsenb_rr.conf'
+    CFGFILE_DRB = 'srsenb_drb.conf'
+    LOGFILE = 'srsenb.log'
+
+    def __init__(self, suite_run, conf):
+        super().__init__(log.C_RUN, 'srsenb')
+        self._addr = conf.get('addr', None)
+        if self._addr is None:
+            raise log.Error('addr not set')
+        self.set_name('srsenb_%s' % self._addr)
+        self.ue = None
+        self.epc = None
+        self.run_dir = None
+        self.config_file = None
+        self.config_sib_file = None
+        self.config_rr_file = None
+        self.config_drb_file = None
+        self.process = None
+        self.rem_host = None
+        self.remote_config_file =  None
+        self.remote_config_sib_file = None
+        self.remote_config_rr_file = None
+        self.remote_config_drb_file = None
+        self.remote_log_file = None
+        self.suite_run = suite_run
+        self.nof_prb=100
+        if self.nof_prb == 75:
+          self.base_srate=15.36e6
+        else:
+          self.base_srate=23.04e6
+        self.remote_user = conf.get('remote_user', None)
+
+    def cleanup(self):
+        if self.process is None:
+            return
+        if self.setup_runs_locally():
+            return
+        # copy back files (may not exist, for instance if there was an early error of process):
+        try:
+            self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
+        except Exception as e:
+            self.log(repr(e))
+
+    def setup_runs_locally(self):
+        return self.remote_user is None
+
+    def start(self, epc):
+        self.log('Starting srsENB')
+        self.epc = epc
+        self.run_dir = util.Dir(self.suite_run.get_test_run_dir().new_dir(self.name()))
+        self.configure()
+        if self.remote_user:
+            self.start_remotely()
+        else:
+            self.start_locally()
+
+    def start_remotely(self):
+        self.inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
+        lib = self.inst.child('lib')
+        if not os.path.isdir(lib):
+            raise log.Error('No lib/ in', self.inst)
+        if not self.inst.isfile('bin', srsENB.BINFILE):
+            raise log.Error('No %s binary in' % srsENB.BINFILE, self.inst)
+
+        self.rem_host = remote.RemoteHost(self.run_dir, self.remote_user, self._addr)
+        remote_prefix_dir = util.Dir(srsENB.REMOTE_DIR)
+        self.remote_inst = util.Dir(remote_prefix_dir.child(os.path.basename(str(self.inst))))
+        remote_run_dir = util.Dir(remote_prefix_dir.child(srsENB.BINFILE))
+
+        self.remote_config_file = remote_run_dir.child(srsENB.CFGFILE)
+        self.remote_config_sib_file = remote_run_dir.child(srsENB.CFGFILE_SIB)
+        self.remote_config_rr_file = remote_run_dir.child(srsENB.CFGFILE_RR)
+        self.remote_config_drb_file = remote_run_dir.child(srsENB.CFGFILE_DRB)
+        self.remote_log_file = remote_run_dir.child(srsENB.LOGFILE)
+
+        self.rem_host.recreate_remote_dir(self.remote_inst)
+        self.rem_host.scp('scp-inst-to-remote', str(self.inst), remote_prefix_dir)
+        self.rem_host.create_remote_dir(remote_run_dir)
+        self.rem_host.scp('scp-cfg-to-remote', self.config_file, self.remote_config_file)
+        self.rem_host.scp('scp-cfg-sib-to-remote', self.config_sib_file, self.remote_config_sib_file)
+        self.rem_host.scp('scp-cfg-rr-to-remote', self.config_rr_file, self.remote_config_rr_file)
+        self.rem_host.scp('scp-cfg-drb-to-remote', self.config_drb_file, self.remote_config_drb_file)
+
+        remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
+        remote_binary = self.remote_inst.child('bin', srsENB.BINFILE)
+        args = (remote_binary, self.remote_config_file,
+                '--enb_files.sib_config=' + self.remote_config_sib_file,
+                '--enb_files.rr_config=' + self.remote_config_rr_file,
+                '--enb_files.drb_config=' + self.remote_config_drb_file,
+                '--rf.device_name=zmq',
+                '--rf.device_args="fail_on_disconnect=true,tx_port=tcp://'+ self.addr() +':2000,rx_port=tcp://'+ self.ue.addr() +':2001,id=enb,base_srate='+ str(self.base_srate) + '"',
+                '--expert.nof_phy_threads=1',
+                '--expert.rrc_inactivity_timer=1500',
+                '--enb.n_prb=' + str(self.nof_prb),
+                '--log.filename=' + self.remote_log_file)
+
+        self.process = self.rem_host.RemoteProcessFixIgnoreSIGHUP(srsENB.BINFILE, util.Dir(srsENB.REMOTE_DIR), args, remote_env=remote_env)
+        self.suite_run.remember_to_stop(self.process)
+        self.process.launch()
+
+    def start_locally(self):
+        inst = util.Dir(os.path.abspath(self.suite_run.trial.get_inst('srslte')))
+
+        binary = inst.child('bin', BINFILE)
+        if not os.path.isfile(binary):
+            raise log.Error('Binary missing:', binary)
+        lib = inst.child('lib')
+        if not os.path.isdir(lib):
+            raise log.Error('No lib/ in', inst)
+
+        env = { 'LD_LIBRARY_PATH': util.prepend_library_path(lib) }
+
+        self.dbg(run_dir=self.run_dir, binary=binary, env=env)
+        args = (binary, os.path.abspath(self.config_file),
+                '--enb_files.sib_config=' + os.path.abspath(self.config_sib_file),
+                '--enb_files.rr_config=' + os.path.abspath(self.config_rr_file),
+                '--enb_files.drb_config=' + os.path.abspath(self.config_drb_file),
+                '--rf.device_name=zmq',
+                '--rf.device_args="fail_on_disconnect=true,tx_port=tcp://'+ self.addr() +':2000,rx_port=tcp://'+ self.ue.addr() +':2001,id=enb,base_srate='+ str(self.base_srate) + '"',
+                '--expert.nof_phy_threads=1',
+                '--expert.rrc_inactivity_timer=1500',
+                '--enb.n_prb=' + str(self.nof_prb),
+                '--log.filename=' + self.log_file)
+
+        self.process = process.Process(self.name(), self.run_dir, args, env=env)
+        self.suite_run.remember_to_stop(self.process)
+        self.process.launch()
+
+    def gen_conf_file(self, path, filename):
+        self.dbg(config_file=path)
+
+        values = dict(enb=config.get_defaults('srsenb'))
+        config.overlay(values, self.suite_run.config())
+        config.overlay(values, dict(enb={ 'run_addr': self.addr(),
+                                          'mme_addr': self.epc.addr()}))
+
+        self.dbg('srsENB ' + filename + ':\n' + pprint.pformat(values))
+
+        with open(path, 'w') as f:
+            r = template.render(filename, values)
+            self.dbg(r)
+            f.write(r)
+
+    def configure(self):
+        self.config_file = self.run_dir.new_file(srsENB.CFGFILE)
+        self.config_sib_file = self.run_dir.new_file(srsENB.CFGFILE_SIB)
+        self.config_rr_file = self.run_dir.new_file(srsENB.CFGFILE_RR)
+        self.config_drb_file = self.run_dir.new_file(srsENB.CFGFILE_DRB)
+        self.log_file = self.run_dir.new_file(srsENB.LOGFILE)
+
+        self.gen_conf_file(self.config_file, srsENB.CFGFILE)
+        self.gen_conf_file(self.config_sib_file, srsENB.CFGFILE_SIB)
+        self.gen_conf_file(self.config_rr_file, srsENB.CFGFILE_RR)
+        self.gen_conf_file(self.config_drb_file, srsENB.CFGFILE_DRB)
+
+    def ue_add(self, ue):
+        if self.ue is not None:
+            raise log.Error("More than one UE per ENB not yet supported (ZeroMQ)")
+        self.ue = ue
+
+    def running(self):
+        return not self.process.terminated()
+
+    def addr(self):
+        return self._addr
+
+# vim: expandtab tabstop=4 shiftwidth=4